def __init__(self,
coordinates,
vertices,
boundary = None,
full_send_dict = None,
ghost_recv_dict = None,
velocity = None):
Domain.__init__(self,
coordinates,
vertices,
boundary,
velocity = velocity,
full_send_dict=full_send_dict,
ghost_recv_dict=ghost_recv_dict,
processor=pypar.rank(),
numproc=pypar.size()
)
N = self.number_of_elements
self.communication_time = 0.0
self.communication_reduce_time = 0.0
print 'processor',self.processor
print 'numproc',self.numproc
def update_timestep(self, yieldstep, finaltime):
"""Calculate local timestep
"""
generic_comms.communicate_flux_timestep(self, yieldstep, finaltime)
Domain.update_timestep(self, yieldstep, finaltime)
def test_create_operator(self):
points = num.array([[0.0,0.0],[1.0,0.0],[0.0,1.0]])
elements = num.array([[0,1,2]])
boundary_map = {}
boundary_map[(0,0)] = 'edge0'
boundary_map[(0,1)] = 'edge1'
boundary_map[(0,2)] = 'edge2'
domain = Domain(points, elements, boundary_map)
operator = Operator(domain)
message = operator.statistics()
assert message == 'You need to implement operator statistics for your operator'
message = operator.timestepping_statistics()
assert message == 'You need to implement timestepping statistics for your operator'
domain.timestep = 3.0
assert operator.get_timestep() == domain.get_timestep()
try:
operator()
except:
pass
else:
raise Exception('should have raised an exception')
def __init__(self,
coordinates=None,
vertices=None,
boundary=None,
source=None,
triangular=None,
conserved_quantities=None,
evolved_quantities=None,
other_quantities=None,
tagged_elements=None,
geo_reference=None,
use_inscribed_circle=False,
mesh_fulename=None,
use_cache=False,
verbose=False,
full_send_dict=None,
ghost_recv_dict=None,
starttime=0.0,
processor=0,
numproc=1,
number_of_full_nodes=None,
number_of_full_triangles=None,
ghost_layer_width=2
):
"""The init routain of the ANUGA to create the mesh."""
Domain.__init__(self,
coordinates,
vertices,
boundary,
full_send_dict=full_send_dict,
ghost_recv_dict=ghost_recv_dict,
number_of_full_nodes=number_of_full_nodes,
number_of_full_triangles=number_of_full_triangles,
geo_reference=geo_reference) #jj added this
def __init__(self,
coordinates,
vertices,
boundary=None,
full_send_dict=None,
ghost_recv_dict=None,
velocity=None):
Domain.__init__(self,
coordinates,
vertices,
boundary,
velocity=velocity,
full_send_dict=full_send_dict,
ghost_recv_dict=ghost_recv_dict,
processor=pypar.rank(),
numproc=pypar.size())
N = self.number_of_elements
self.communication_time = 0.0
self.communication_reduce_time = 0.0
print 'processor', self.processor
print 'numproc', self.numproc
def update_timestep(self, yieldstep, finaltime):
"""Calculate local timestep
"""
generic_comms.communicate_flux_timestep(self, yieldstep, finaltime)
Domain.update_timestep(self, yieldstep, finaltime)
def test_set_stage_operator_negative(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', lambda x,y : -2*x)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
#Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
#rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
stage = -5.0
operator = Set_stage_operator(domain, stage=stage, indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [ -5., -5., 1., -5.]
#print domain.quantities['elevation'].centroid_values
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
def test_set_quantity_simple(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
stage = 3.0
update_stage = Set_quantity(domain,
"stage",
value=stage,
indices=indices,
test_stage=False)
# Apply Operator
update_stage()
stage_ex = [3., 3., 1., 3.]
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
def test_rate_operator_simple(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
rate = 1.0
factor = 10.0
default_rate= 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [ 21., 21., 1., 21.]
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, factor*domain.timestep*(rate*domain.areas[indices]).sum())
def set_name(self, name):
"""Assign name based on processor number
"""
if name.endswith('.sww'):
name = name[:-4]
self.global_name = name
# Call parents method with processor number attached.
Domain.set_name(self, name + '_P%d_%d' %(self.numproc, self.processor))
def set_name(self, name):
"""Assign name based on processor number
"""
if name.endswith('.sww'):
name = name[:-4]
self.global_name = name
# Call parents method with processor number attached.
Domain.set_name(self,
name + '_P%d_%d' % (self.numproc, self.processor))
def test_set_stage_operator_simple(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
stage = 3.0
operator = Set_stage_operator(domain, stage=stage, indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [ 3., 3., 1., 3.]
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
def test_slide_tsunami_domain(self):
if anuga_installed:
pass
else:
print 'Note: test_slide_tsunami_domain not tested as ANUGA '\
'is not installed'
return
length = 600.0
dep = 150.0
th = 9.0
thk = 15.0
wid = 340.0
kappa = 3.0
kappad = 0.8
x0 = 100000.
y0 = x0
from anuga.pmesh.mesh_interface import create_mesh_from_regions
polygon = [[0,0],[200000,0],[200000,200000],[0,200000]]
create_mesh_from_regions(polygon,
{'e0': [0], 'e1': [1], 'e2': [2], 'e3': [3]},
maximum_triangle_area=5000000000,
filename='test.msh',
verbose = False)
domain = Domain('test.msh', use_cache = True, verbose = False)
slide = slide_tsunami(length, dep, th, x0, y0, \
wid, thk, kappa, kappad, \
domain=domain,verbose=False)
domain.set_quantity('stage', slide)
stage = domain.get_quantity('stage')
w = stage.get_values()
## check = [[-0.0 -0.0 -0.0],
## [-.189709745 -517.877716 -0.0],
## [-0.0 -0.0 -2.7695931e-08],
## [-0.0 -2.7695931e-08 -1.897097e-01]
## [-0.0 -517.877716 -0.0],
## [-0.0 -0.0 -0.0],
## [-0.0 -0.0 -0.0],
## [-0.0 -0.0 -0.0]]
assert num.allclose(num.min(w), -517.877771593)
assert num.allclose(num.max(w), 0.0)
assert num.allclose(slide.a3D, 518.38797486)
def test_rate_operator_negative_rate_full(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
# Flat surface with 1m of water
domain.set_quantity("elevation", 0)
domain.set_quantity("stage", 10.0)
domain.set_quantity("friction", 0)
Br = Reflective_boundary(domain)
domain.set_boundary({"exterior": Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
# Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
# rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
rate = -1.0
factor = 10.0
default_rate = 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, indices=None, default_rate=default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [0.0, 0.0, 0.0, 0.0]
step_integral = -80.0
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# print domain.fractional_step_volume_integral
assert num.allclose(domain.quantities["stage"].centroid_values, stage_ex)
assert num.allclose(domain.quantities["xmomentum"].centroid_values, 0.0)
assert num.allclose(domain.quantities["ymomentum"].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, step_integral)
def sequential_distribute_load_pickle_file(pickle_name, np=1, verbose = False):
"""
Open pickle files
"""
f = open(pickle_name, 'rb')
import pickle
kwargs, points, vertices, boundary, quantities, boundary_map, \
domain_name, domain_dir, domain_store, domain_store_centroids, \
domain_minimum_storable_height, domain_minimum_allowed_height, \
domain_flow_algorithm, domain_georef, \
domain_quantities_to_be_stored, domain_smooth, \
domain_low_froude = pickle.load(f)
f.close()
for k in quantities:
quantities[k] = num.load(quantities[k])
points = num.load(points)
vertices = num.load(vertices)
#---------------------------------------------------------------------------
# Create domain (parallel if np>1)
#---------------------------------------------------------------------------
if np>1:
domain = Parallel_domain(points, vertices, boundary, **kwargs)
else:
domain = Domain(points, vertices, boundary, **kwargs)
#------------------------------------------------------------------------
# Copy in quantity data
#------------------------------------------------------------------------
for q in quantities:
domain.set_quantity(q, quantities[q])
#------------------------------------------------------------------------
# Transfer boundary conditions to each subdomain
#------------------------------------------------------------------------
boundary_map['ghost'] = None # Add binding to ghost boundary
domain.set_boundary(boundary_map)
#------------------------------------------------------------------------
# Transfer other attributes to each subdomain
#------------------------------------------------------------------------
domain.set_name(domain_name)
domain.set_datadir(domain_dir)
domain.set_flow_algorithm(domain_flow_algorithm)
domain.set_low_froude(domain_low_froude)
domain.set_store(domain_store)
domain.set_store_centroids(domain_store_centroids)
domain.set_minimum_storable_height(domain_minimum_storable_height)
domain.set_minimum_allowed_height(domain_minimum_allowed_height)
domain.geo_reference = domain_georef
domain.set_quantities_to_be_stored(domain_quantities_to_be_stored)
domain.smooth = domain_smooth
return domain
def test_slide_tsunami_domain(self):
length = 600.0
dep = 150.0
th = 9.0
thk = 15.0
wid = 340.0
kappa = 3.0
kappad = 0.8
x0 = 100000.
y0 = x0
from anuga.pmesh.mesh_interface import create_mesh_from_regions
polygon = [[0, 0], [200000, 0], [200000, 200000], [0, 200000]]
create_mesh_from_regions(polygon, {
'e0': [0],
'e1': [1],
'e2': [2],
'e3': [3]
},
maximum_triangle_area=5000000000,
filename='test.msh',
verbose=False)
domain = Domain('test.msh', use_cache=True, verbose=False)
slide = slide_tsunami(length, dep, th, x0, y0, \
wid, thk, kappa, kappad, \
domain=domain,verbose=False)
domain.set_quantity('stage', slide)
stage = domain.get_quantity('stage')
w = stage.get_values()
## check = [[-0.0 -0.0 -0.0],
## [-.189709745 -517.877716 -0.0],
## [-0.0 -0.0 -2.7695931e-08],
## [-0.0 -2.7695931e-08 -1.897097e-01]
## [-0.0 -517.877716 -0.0],
## [-0.0 -0.0 -0.0],
## [-0.0 -0.0 -0.0],
## [-0.0 -0.0 -0.0]]
assert num.allclose(num.min(w), -517.877771593)
assert num.allclose(num.max(w), 0.0)
assert num.allclose(slide.a3D, 518.38797486)
def __init__(self, coordinates, vertices,
boundary=None,
full_send_dict=None,
ghost_recv_dict=None,
number_of_full_nodes=None,
number_of_full_triangles=None,
geo_reference=None): #jj added this
Domain.__init__(self,
coordinates,
vertices,
boundary,
full_send_dict=full_send_dict,
ghost_recv_dict=ghost_recv_dict,
number_of_full_nodes=number_of_full_nodes,
number_of_full_triangles=number_of_full_triangles,
geo_reference=geo_reference) #jj added this
def update_timestep(self, yieldstep, finaltime):
#LINDA:
# moved the calculation so that it is done after timestep
# has been broadcast
# # Calculate local timestep
# Domain.update_timestep(self, yieldstep, finaltime)
import time
t0 = time.time()
# For some reason it looks like pypar only reduces numeric arrays
# hence we need to create some dummy arrays for communication
ltimestep = num.ones(1, num.float)
ltimestep[0] = self.flux_timestep
gtimestep = num.zeros(1, num.float) # Buffer for results
#ltimestep = self.flux_timeste
#print self.processor, ltimestep, gtimestep
gtimestep = pypar.reduce(ltimestep, pypar.MIN, 0, buffer=gtimestep)
#print self.processor, ltimestep, gtimestep
pypar.broadcast(gtimestep, 0)
#print self.processor, ltimestep, gtimestep
self.flux_timestep = gtimestep[0]
self.communication_reduce_time += time.time() - t0
# LINDA:
# Now update time stats
# Calculate local timestep
Domain.update_timestep(self, yieldstep, finaltime)
def update_timestep(self, yieldstep, finaltime):
#LINDA:
# moved the calculation so that it is done after timestep
# has been broadcast
# # Calculate local timestep
# Domain.update_timestep(self, yieldstep, finaltime)
import time
t0 = time.time()
# For some reason it looks like pypar only reduces numeric arrays
# hence we need to create some dummy arrays for communication
ltimestep = num.ones( 1, num.float )
ltimestep[0] = self.flux_timestep
gtimestep = num.zeros( 1, num.float ) # Buffer for results
#ltimestep = self.flux_timeste
#print self.processor, ltimestep, gtimestep
gtimestep = pypar.reduce(ltimestep, pypar.MIN, 0, buffer=gtimestep)
#print self.processor, ltimestep, gtimestep
pypar.broadcast(gtimestep,0)
#print self.processor, ltimestep, gtimestep
self.flux_timestep = gtimestep[0]
self.communication_reduce_time += time.time()-t0
# LINDA:
# Now update time stats
# Calculate local timestep
Domain.update_timestep(self, yieldstep, finaltime)
def concept_ungenerateIII(self):
from anuga import Domain, Reflective_boundary, \
Dirichlet_boundary
from anuga.pmesh.mesh_interface import create_mesh_from_regions
# These are the absolute values
polygon = [[0, 0], [100, 0], [100, 100], [0, 100]]
boundary_tags = {'wall': [0, 1, 3], 'wave': [2]}
inner1_polygon = [[10, 10], [20, 10], [20, 20], [10, 20]]
inner2_polygon = [[30, 30], [40, 30], [40, 40], [30, 40]]
max_area = 1
interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)]
m = create_mesh_from_regions(polygon,
boundary_tags,
max_area,
interior_regions=interior_regions)
fileName = tempfile.mktemp('.txt')
file = open(fileName, 'w')
file.write(' 1 ?? ??\n\
90.0 90.0\n\
81.0 90.0\n\
81.0 81.0\n\
90.0 81.0\n\
90.0 90.0\n\
END\n\
2 ?? ??\n\
10.0 80.0\n\
10.0 90.0\n\
20.0 90.0\n\
10.0 80.0\n\
END\n\
END\n')
file.close()
m.import_ungenerate_file(fileName)
os.remove(fileName)
m.generate_mesh(maximum_triangle_area=max_area, verbose=False)
mesh_filename = 'mesh.tsh'
m.export_mesh_file(mesh_filename)
domain = Domain(mesh_filename, use_cache=False)
Br = Reflective_boundary(domain)
Bd = Dirichlet_boundary([3, 0, 0])
domain.set_boundary({'wall': Br, 'wave': Bd})
yieldstep = 0.1
finaltime = 10
for t in domain.evolve(yieldstep, finaltime):
domain.write_time()
def concept_ungenerateIII(self):
from anuga import Domain, Reflective_boundary, \
Dirichlet_boundary
from anuga.pmesh.mesh_interface import create_mesh_from_regions
# These are the absolute values
polygon = [[0,0], [100,0], [100,100], [0,100]]
boundary_tags = {'wall': [0,1,3], 'wave': [2]}
inner1_polygon = [[10,10], [20,10], [20,20], [10,20]]
inner2_polygon = [[30,30], [40,30], [40,40], [30,40]]
max_area = 1
interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)]
m = create_mesh_from_regions(polygon,
boundary_tags,
max_area,
interior_regions=interior_regions)
fileName = tempfile.mktemp('.txt')
file = open(fileName, 'w')
file.write(' 1 ?? ??\n\
90.0 90.0\n\
81.0 90.0\n\
81.0 81.0\n\
90.0 81.0\n\
90.0 90.0\n\
END\n\
2 ?? ??\n\
10.0 80.0\n\
10.0 90.0\n\
20.0 90.0\n\
10.0 80.0\n\
END\n\
END\n')
file.close()
m.import_ungenerate_file(fileName)
os.remove(fileName)
m.generate_mesh(maximum_triangle_area=max_area, verbose=False)
mesh_filename = 'mesh.tsh'
m.export_mesh_file(mesh_filename)
domain = Domain(mesh_filename, use_cache=False)
Br = Reflective_boundary(domain)
Bd = Dirichlet_boundary([3, 0, 0])
domain.set_boundary({'wall': Br, 'wave': Bd})
yieldstep = 0.1
finaltime = 10
for t in domain.evolve(yieldstep, finaltime):
domain.write_time()
def test_runup_sinusoid(self):
""" Run a version of the validation test runup_sinusoid
to ensure limiting solution has small velocity
"""
points, vertices, boundary = anuga.rectangular_cross(20,20, len1=1., len2=1.)
domain=Domain(points,vertices,boundary) # Create Domain
domain.set_flow_algorithm('DE0')
domain.set_name('runup_sinusoid_v2') # Output to file runup.sww
domain.set_datadir('.') # Use current folder
domain.set_quantities_to_be_stored({'stage': 2, 'xmomentum': 2, 'ymomentum': 2, 'elevation': 1})
#domain.set_store_vertices_uniquely(True)
#------------------
# Define topography
#------------------
scale_me=1.0
def topography(x,y):
return (-x/2.0 +0.05*num.sin((x+y)*50.0))*scale_me
def stagefun(x,y):
stge=-0.2*scale_me #+0.01*(x>0.9)
return stge
domain.set_quantity('elevation',topography) # Use function for elevation
domain.get_quantity('elevation').smooth_vertex_values()
domain.set_quantity('friction',0.03) # Constant friction
domain.set_quantity('stage', stagefun) # Constant negative initial stage
domain.get_quantity('stage').smooth_vertex_values()
#--------------------------
# Setup boundary conditions
#--------------------------
Br=anuga.Reflective_boundary(domain) # Solid reflective wall
Bd=anuga.Dirichlet_boundary([-0.1*scale_me,0.,0.]) # Constant boundary values -- not used in this example
#----------------------------------------------
# Associate boundary tags with boundary objects
#----------------------------------------------
domain.set_boundary({'left': Br, 'right': Bd, 'top': Br, 'bottom':Br})
#------------------------------
#Evolve the system through time
#------------------------------
for t in domain.evolve(yieldstep=7.0,finaltime=7.0):
#print domain.timestepping_statistics()
xx = domain.quantities['xmomentum'].centroid_values
yy = domain.quantities['ymomentum'].centroid_values
dd = domain.quantities['stage'].centroid_values - domain.quantities['elevation'].centroid_values
#dd_raw=1.0*dd
dd = (dd)*(dd>1.0e-03)+1.0e-03
vv = ( (xx/dd)**2 + (yy/dd)**2)**0.5
vv = vv*(dd>1.0e-03)
#print 'Peak velocity is: ', vv.max(), vv.argmax()
#print 'Volume is', sum(dd_raw*domain.areas)
#print vv.max()
assert num.all(vv<1.01e-01)
#------------------------------------------------------------------------------
dx = 1.
dy = dx
L = 1500.
W = 60.
#===============================================================================
# Create sequential domain
#===============================================================================
if myid == 0:
# structured mesh
points, vertices, boundary = anuga.rectangular_cross(
int(L / dx), int(W / dy), L, W, (0., -W / 2.))
#domain = anuga.Domain(points, vertices, boundary)
domain = Domain(points, vertices, boundary)
domain.set_name(output_file)
domain.set_datadir(output_dir)
#------------------------------------------------------------------------------
# Setup Algorithm, either using command line arguments
# or override manually yourself
#------------------------------------------------------------------------------
domain.set_flow_algorithm(alg)
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
domain.set_quantity('friction', 0.0)
domain.set_quantity('stage', 12.0)
from anuga import rectangular_cross
from anuga import Domain
from anuga import Reflective_boundary
from anuga import Dirichlet_boundary
from anuga import Time_boundary
#------------------------------------------------------------------------------
# Setup computational domain
#------------------------------------------------------------------------------
length = 24.
width = 5.
dx = dy = 0.2 #.1 # Resolution: Length of subdivisions on both axes
points, vertices, boundary = rectangular_cross(int(length/dx), int(width/dy),
len1=length, len2=width)
domain = Domain(points, vertices, boundary)
domain.set_name('channel_variable_bed_0.2_newviewer') # Output name
print domain.statistics()
domain.set_quantities_to_be_stored({'elevation': 2,
'stage': 2})
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
def topography(x,y):
"""Complex topography defined by a function of vectors x and y."""
z = -x/100
N = len(x)
for i in range(N):
from anuga import rectangular_cross
from anuga import Domain
from anuga import Reflective_boundary
from anuga import Dirichlet_boundary
from anuga import Time_boundary
#------------------------------------------------------------------------------
# Setup computational domain
#------------------------------------------------------------------------------
length = 24.
width = 5.
dx = dy = 0.2 #.1 # Resolution: Length of subdivisions on both axes
points, vertices, boundary = rectangular_cross(int(length/dx), int(width/dy),
len1=length, len2=width)
domain = Domain(points, vertices, boundary)
domain.set_name('set_elevation') # Output name
print domain.statistics()
domain.set_quantities_to_be_stored({'elevation': 2,
'stage': 2})
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
def topography_dam(x,y):
"""Complex topography defined by a function of vectors x and y."""
z = -x/100
N = len(x)
for i in range(N):
def write_time(self):
if self.processor == 0:
Domain.write_time(self)
def test_rate_operator_functions_empty_indices(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = []
factor = 10.0
def main_spatial_rate(x,y,t):
# x and y should be an n by 1 array
return x + y
default_rate = 0.0
domain.tri_full_flag[0] = 0
operator = Rate_operator(domain, rate=main_spatial_rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
Q = operator.get_Q()
x = operator.coord_c[indices,0]
y = operator.coord_c[indices,1]
rate = main_spatial_rate(x,y,t)*factor
Q_ex = num.sum(domain.areas[indices]*rate)
d = operator.get_timestep()*rate + 1
#print Q_ex, Q
#print indices
#print "d"
#print d
stage_ex = num.array([ 1.0, 1.0, 1.0, 1.0])
stage_ex[indices] = d
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(Q_ex, Q)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
def test_rate_operator_negative_rate_full(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 10.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
#Catchment_Rain_Polygon = read_polygon(join('CatchmentBdy.csv'))
#rainfall = file_function(join('1y120m.tms'), quantities=['rainfall'])
rate = -1.0
factor = 10.0
default_rate = 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=None, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [0., 0., 0., 0.]
step_integral = -80.0
#print domain.quantities['elevation'].centroid_values
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
#print domain.fractional_step_volume_integral
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
step_integral)
def test_rate_operator_rate_from_file(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
#---------------------------------
#Typical ASCII file
#---------------------------------
finaltime = 1200
filename = 'test_file_function'
fid = open(filename + '.txt', 'w')
start = time.mktime(time.strptime('2000', '%Y'))
dt = 60 #One minute intervals
t = 0.0
while t <= finaltime:
t_string = time.strftime(time_format, time.gmtime(t+start))
fid.write('%s, %f %f %f\n' %(t_string, 2*t, t**2, sin(t*pi/600)))
t += dt
fid.close()
#Convert ASCII file to NetCDF (Which is what we really like!)
timefile2netcdf(filename+'.txt')
#Create file function from time series
F = file_function(filename + '.tms',
quantities = ['Attribute0',
'Attribute1',
'Attribute2'])
#Now try interpolation
for i in range(20):
t = i*10
q = F(t)
#Exact linear intpolation
assert num.allclose(q[0], 2*t)
if i%6 == 0:
assert num.allclose(q[1], t**2)
assert num.allclose(q[2], sin(t*pi/600))
#Check non-exact
t = 90 #Halfway between 60 and 120
q = F(t)
assert num.allclose( (120**2 + 60**2)/2, q[1] )
assert num.allclose( (sin(120*pi/600) + sin(60*pi/600))/2, q[2] )
t = 100 #Two thirds of the way between between 60 and 120
q = F(t)
assert num.allclose( 2*120**2/3 + 60**2/3, q[1] )
assert num.allclose( 2*sin(120*pi/600)/3 + sin(60*pi/600)/3, q[2] )
#os.remove(filename + '.txt')
#os.remove(filename + '.tms')
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
rate = file_function(filename + '.tms', quantities=['Attribute1'])
# Make starttime of domain consistent with tms file starttime
domain.set_starttime(rate.starttime)
factor = 1000.0
default_rate= 17.7
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.set_time(360.0)
domain.timestep = 1.0
operator()
d = domain.get_time()**2 * factor + 1.0
stage_ex0 = [ d, d, 1., d]
# print d, domain.get_time(), F(360.0)
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex0)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
domain.set_time(-10.0)
domain.timestep = 1.0
try:
operator()
except:
pass
else:
raise Exception('Should have raised an exception, time too early')
domain.set_time(1300.0)
domain.timestep = 1.0
operator()
d = default_rate*factor + d
stage_ex1 = [ d, d, 1., d]
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex1)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
def test_rate_operator_functions_rate_default_rate(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
factor = 10.0
def main_rate(t):
if t > 20:
msg = 'Model time exceeded.'
raise Modeltime_too_late, msg
else:
return 3.0 * t + 7.0
default_rate = lambda t: 3*t + 7
operator = Rate_operator(domain, rate=main_rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
d = operator.get_timestep()*main_rate(t)*factor + 1
stage_ex = [ d, d, 1., d]
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
domain.set_starttime(30.0)
domain.timestep = 1.0
operator()
t = operator.get_time()
d = operator.get_timestep()*default_rate(t)*factor + d
stage_ex = [ d, d, 1., d]
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
def test_set_w_uh_vh_operator_time(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('xmomentum', 7.0)
domain.set_quantity('ymomentum', 8.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['w_uh_vh'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
w_uh_vh = lambda t : [t, t+1, t+2]
operator = Set_w_uh_vh_operator(domain, w_uh_vh=w_uh_vh, indices=indices)
# Apply Operator
domain.timestep = 2.0
domain.time = 1.0
operator()
t = domain.time
stage_ex = [ t, t, 1., t]
xmom_ex = [ t+1, t+1, 7., t+1]
ymom_ex = [ t+2, t+2, 8., t+2]
#print domain.quantities['stage'].centroid_values
#print domain.quantities['xmomentum'].centroid_values
#print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, xmom_ex)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, ymom_ex)
z[id] += 1
# Pole 2
#id = (x - 14)**2 + (y - 3.5)**2 < 0.4**2
#z[id] += 1.0
return z
#----------------------------------------------------------------------------
# Setup initial domain
#----------------------------------------------------------------------------
if anuga.myid == 0:
points, vertices, boundary = rectangular_cross(int(length/dx), int(width/dy),
len1=length, len2=width)
domain = Domain(points, vertices, boundary)
domain.set_name() # Output name
print domain.statistics()
domain.set_quantity('elevation', topography) # elevation is a function
domain.set_quantity('friction', 0.01) # Constant friction
domain.set_quantity('stage', expression='elevation') # Dry initial condition
else:
domain = None
domain = anuga.distribute(domain)
#------------------------------------------------------------------------------
# Setup boundary conditions
# ------------------------------------------------------------------------------
# Setup Algorithm, either using command line arguments
# or override manually yourself
# ------------------------------------------------------------------------------
args = anuga.get_args()
alg = args.alg
verbose = args.verbose
if myid == 0:
# structured mesh
points, vertices, boundary = anuga.rectangular_cross(int(L / dx), int(W / dy), L, W, (-L / 2.0, -W / 2.0))
# domain = anuga.Domain(points, vertices, boundary)
domain = Domain(points, vertices, boundary)
domain.set_name(output_file)
domain.set_datadir(output_dir)
domain.set_flow_algorithm(alg)
# ------------------------------------------------------------------------------
# Setup initial conditions
# ------------------------------------------------------------------------------
# No Mannings friction, but we introduce Coulomb friction below.
domain.set_quantity("friction", 0.0)
domain.set_quantity("stage", stage)
domain.set_quantity("elevation", elevation)
#===============================================================================
#------------------------------------------------------------------------------
# Setup computational domain
#------------------------------------------------------------------------------
length = 15.
width = 4.
dx = dy = 0.25 #.1 # Resolution: Length of subdivisions on both axes
points, vertices, boundary = rectangular_cross(int(length/dx), int(width/dy),
len1=length, len2=width)
evolved_quantities = ['stage', 'xmomentum', 'ymomentum', 'elevation']
domain = Domain(points, vertices, boundary, evolved_quantities=evolved_quantities)
domain.set_flow_algorithm('DE0')
domain.set_name('veg') # Output name
# domain.set_store_vertices_uniquely(True)
# print domain.statistics()
domain.set_quantities_to_be_stored({'elevation': 2,
'stage': 2,
'xmomentum': 2,
'ymomentum': 2})
domain.set_quantity('elevation', topography) # elevation is a function
domain.set_quantity('friction', 0.01) # Constant friction
domain.set_quantity('stage', topography) # Dry initial condition
#start_screen_catcher(output_dir+'_') #------------------------------------------------------------------------------ # Setup domain #------------------------------------------------------------------------------ dx = 0.25 dy = dx L = 20. W = 5. # structured mesh points, vertices, boundary = anuga.rectangular_cross(int(L/dx), int(W/dy), L, W, (-L/2.0, -W/2.0)) #domain = anuga.Domain(points, vertices, boundary) domain = Domain(points, vertices, boundary) domain.set_name(output_file) domain.set_datadir(output_dir) #------------------------------------------------------------------------------ # Setup Algorithm, either using command line arguments # or override manually yourself #------------------------------------------------------------------------------ from anuga.utilities.argparsing import parse_standard_args alg = parse_standard_args() domain.set_flow_algorithm(alg) #------------------------------------------------------------------------------ # Setup initial conditions
def test_rate_operator_functions_rate_default_rate(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
factor = 10.0
def main_rate(t):
if t > 20:
msg = 'Model time exceeded.'
raise Modeltime_too_late, msg
else:
return 3.0 * t + 7.0
default_rate = lambda t: 3 * t + 7
operator = Rate_operator(domain, rate=main_rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
d = operator.get_timestep() * main_rate(t) * factor + 1
stage_ex = [d, d, 1., d]
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
domain.set_starttime(30.0)
domain.timestep = 1.0
operator()
t = operator.get_time()
d = operator.get_timestep() * default_rate(t) * factor + d
stage_ex = [d, d, 1., d]
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
def concept_ungenerateII(self):
from anuga import Domain, Reflective_boundary, Dirichlet_boundary
x = 0
y = 0
mesh_geo = geo_reference = Geo_reference(56, x, y)
# These are the absolute values
polygon_absolute = [[0, 0], [100, 0], [100, 100], [0, 100]]
x_p = -10
y_p = -40
geo_ref_poly = Geo_reference(56, x_p, y_p)
polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute)
boundary_tags = {'wall': [0, 1, 3], 'wave': [2]}
inner1_polygon_absolute = [[10, 10], [20, 10], [20, 20], [10, 20]]
inner1_polygon = geo_ref_poly.\
change_points_geo_ref(inner1_polygon_absolute)
inner2_polygon_absolute = [[30, 30], [40, 30], [40, 40], [30, 40]]
inner2_polygon = geo_ref_poly.\
change_points_geo_ref(inner2_polygon_absolute)
max_area = 1
interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)]
m = create_mesh_from_regions(polygon,
boundary_tags,
max_area,
interior_regions=interior_regions,
poly_geo_reference=geo_ref_poly,
mesh_geo_reference=mesh_geo)
m.export_mesh_file('a_test_mesh_iknterface.tsh')
fileName = tempfile.mktemp('.txt')
file = open(fileName, 'w')
file.write(' 1 ?? ??\n\
90.0 90.0\n\
81.0 90.0\n\
81.0 81.0\n\
90.0 81.0\n\
90.0 90.0\n\
END\n\
2 ?? ??\n\
10.0 80.0\n\
10.0 90.0\n\
20.0 90.0\n\
10.0 80.0\n\
END\n\
END\n')
file.close()
m.import_ungenerate_file(fileName) #, tag='wall')
os.remove(fileName)
m.generate_mesh(maximum_triangle_area=max_area, verbose=False)
mesh_filename = 'bento_b.tsh'
m.export_mesh_file(mesh_filename)
domain = Domain(mesh_filename, use_cache=False)
Br = Reflective_boundary(domain)
Bd = Dirichlet_boundary([3, 0, 0])
domain.set_boundary({'wall': Br, 'wave': Bd})
yieldstep = 0.1
finaltime = 10
for t in domain.evolve(yieldstep, finaltime):
domain.write_time()
def test_rate_operator_simple(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
rate = 1.0
factor = 10.0
default_rate = 0.0
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
stage_ex = [21., 21., 1., 21.]
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(
domain.fractional_step_volume_integral,
factor * domain.timestep * (rate * domain.areas[indices]).sum())
else:
return z + 1.0
#------------------------------------------------------------------------------
# Setup computational domain
#------------------------------------------------------------------------------
length = 24.
width = 5.
dx = dy = 0.2 #.1 # Resolution: Length of subdivisions on both axes
points, vertices, boundary = rectangular_cross(int(length / dx),
int(width / dy),
len1=length,
len2=width)
domain = Domain(points, vertices, boundary)
domain.set_name() # Output name based on script name
print domain.statistics()
domain.set_quantities_to_be_stored({'elevation': 2, 'stage': 2})
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
domain.set_quantity('elevation', topography) # elevation is a function
domain.set_quantity('friction', 0.01) # Constant friction
domain.set_quantity('stage', expression='elevation') # Dry initial condition
#------------------------------------------------------------------------------
# Setup boundary conditions
#------------------------------------------------------------------------------
def test_rate_operator_rate_quantity(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
factor = 10.0
from anuga import Quantity
rate_Q = Quantity(domain)
rate_Q.set_values(1.0)
operator = Rate_operator(domain, rate=rate_Q, factor=factor, \
indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
rate = rate_Q.centroid_values[indices]
t = operator.get_time()
Q = operator.get_Q()
rate = rate * factor
Q_ex = num.sum(domain.areas[indices] * rate)
d = operator.get_timestep() * rate + 1
#print "d"
#print d
#print Q_ex
#print Q
stage_ex = num.array([1.0, 1.0, 1.0, 1.0])
stage_ex[indices] = d
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(Q_ex, Q)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
def concept_ungenerateII(self):
from anuga import Domain, Reflective_boundary, Dirichlet_boundary
x=0
y=0
mesh_geo = geo_reference=Geo_reference(56, x, y)
# These are the absolute values
polygon_absolute = [[0,0], [100,0], [100,100], [0,100]]
x_p = -10
y_p = -40
geo_ref_poly = Geo_reference(56, x_p, y_p)
polygon = geo_ref_poly.change_points_geo_ref(polygon_absolute)
boundary_tags = {'wall': [0,1,3], 'wave': [2]}
inner1_polygon_absolute = [[10,10], [20,10], [20,20], [10,20]]
inner1_polygon = geo_ref_poly.\
change_points_geo_ref(inner1_polygon_absolute)
inner2_polygon_absolute = [[30,30], [40,30], [40,40], [30,40]]
inner2_polygon = geo_ref_poly.\
change_points_geo_ref(inner2_polygon_absolute)
max_area = 1
interior_regions = [(inner1_polygon, 5), (inner2_polygon, 10)]
m = create_mesh_from_regions(polygon,
boundary_tags,
max_area,
interior_regions=interior_regions,
poly_geo_reference=geo_ref_poly,
mesh_geo_reference=mesh_geo)
m.export_mesh_file('a_test_mesh_iknterface.tsh')
fileName = tempfile.mktemp('.txt')
file = open(fileName, 'w')
file.write(' 1 ?? ??\n\
90.0 90.0\n\
81.0 90.0\n\
81.0 81.0\n\
90.0 81.0\n\
90.0 90.0\n\
END\n\
2 ?? ??\n\
10.0 80.0\n\
10.0 90.0\n\
20.0 90.0\n\
10.0 80.0\n\
END\n\
END\n')
file.close()
m.import_ungenerate_file(fileName) #, tag='wall')
os.remove(fileName)
m.generate_mesh(maximum_triangle_area=max_area, verbose=False)
mesh_filename = 'bento_b.tsh'
m.export_mesh_file(mesh_filename)
domain = Domain(mesh_filename, use_cache = False)
Br = Reflective_boundary(domain)
Bd = Dirichlet_boundary([3, 0, 0])
domain.set_boundary({'wall': Br, 'wave': Bd})
yieldstep = 0.1
finaltime = 10
for t in domain.evolve(yieldstep, finaltime):
domain.write_time()
def test_rate_operator_functions_empty_indices(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = []
factor = 10.0
def main_spatial_rate(x, y, t):
# x and y should be an n by 1 array
return x + y
default_rate = 0.0
domain.tri_full_flag[0] = 0
operator = Rate_operator(domain, rate=main_spatial_rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.timestep = 2.0
operator()
t = operator.get_time()
Q = operator.get_Q()
x = operator.coord_c[indices, 0]
y = operator.coord_c[indices, 1]
rate = main_spatial_rate(x, y, t) * factor
Q_ex = num.sum(domain.areas[indices] * rate)
d = operator.get_timestep() * rate + 1
#print Q_ex, Q
#print indices
#print "d"
#print d
stage_ex = num.array([1.0, 1.0, 1.0, 1.0])
stage_ex[indices] = d
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(Q_ex, Q)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
def __init__(
self,
coordinates,
vertices,
boundary=None,
full_send_dict=None,
ghost_recv_dict=None,
number_of_full_nodes=None,
number_of_full_triangles=None,
geo_reference=None,
processor=None,
numproc=None,
number_of_global_triangles=None, ## SR added this
number_of_global_nodes=None, ## SR added this
s2p_map=None,
p2s_map=None, #jj added this
tri_l2g=None, ## SR added this
node_l2g=None, #): ## SR added this
ghost_layer_width=2): ## SR added this
#-----------------------------------------
# Sometimes we want to manually
# create instances of the parallel_domain
# otherwise ...
#----------------------------------------
if processor is None:
processor = pypar.rank()
if numproc is None:
numproc = pypar.size()
Domain.__init__(
self,
coordinates,
vertices,
boundary,
full_send_dict=full_send_dict,
ghost_recv_dict=ghost_recv_dict,
processor=processor,
numproc=numproc,
number_of_full_nodes=number_of_full_nodes,
number_of_full_triangles=number_of_full_triangles,
geo_reference=geo_reference, #) #jj added this
ghost_layer_width=ghost_layer_width)
self.parallel = True
# PETE: Find the number of full nodes and full triangles, this is a temporary fix
# until the bug with get_number_of_full_[nodes|triangles]() is fixed.
if number_of_full_nodes is not None:
self.number_of_full_nodes_tmp = number_of_full_nodes
else:
self.number_of_full_nodes_tmp = self.get_number_of_nodes()
if number_of_full_triangles is not None:
self.number_of_full_triangles_tmp = number_of_full_triangles
else:
self.number_of_full_triangles_tmp = self.get_number_of_triangles()
generic_comms.setup_buffers(self)
self.global_name = 'domain'
self.number_of_global_triangles = number_of_global_triangles
self.number_of_global_nodes = number_of_global_nodes
self.s2p_map = s2p_map
self.p2s_map = p2s_map
self.s2p_map = None
self.p2s_map = None
self.tri_l2g = tri_l2g
self.node_l2g = node_l2g
self.ghost_counter = 0
interactive_visualisation = False
if myid == 0:
#------------------------------------------------------------------------------
# Setup sequential domain
#------------------------------------------------------------------------------
dx = 500.
dy = dx
L = 100000.
W = 10*dx
# structured mesh
points, vertices, boundary = anuga.rectangular_cross(int(L/dx), int(W/dy), L, W, (0.0, -W/2))
domain = Domain(points, vertices, boundary)
domain.set_name(output_file)
domain.set_datadir(output_dir)
#------------------------------------------------------------------------------
# Setup Algorithm, either using command line arguments
# or override manually yourself
#------------------------------------------------------------------------------
domain.set_flow_algorithm(alg)
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
domain.set_quantity('elevation',-100.0)
domain.set_quantity('friction', 0.00)
args = anuga.get_args()
alg = args.alg
verbose = args.verbose
#================================================================================
# create sequential domain
#================================================================================
if myid == 0:
# structured mesh
points, vertices, boundary = anuga.rectangular_cross(
int(L / dx), int(W / dy), L, W, (-L / 2.0, -W / 2.0))
#domain = anuga.Domain(points, vertices, boundary)
domain = Domain(points, vertices, boundary)
domain.set_name(output_file)
domain.set_datadir(output_dir)
#------------------------------------------------------------------------------
# Setup Algorithm, either using command line arguments
# or override manually yourself
#------------------------------------------------------------------------------
domain.set_flow_algorithm(alg)
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
domain.set_quantity('elevation', 0.0)
domain.set_quantity('friction', 0.0)
from anuga import rectangular_cross
from anuga import Domain
from anuga import Reflective_boundary
from anuga import Dirichlet_boundary
from anuga import Time_boundary
#------------------------------------------------------------------------------
# Setup computational domain
#------------------------------------------------------------------------------
length = 24.
width = 5.
dx = dy = 0.2 #.1 # Resolution: Length of subdivisions on both axes
points, vertices, boundary = rectangular_cross(int(length/dx), int(width/dy),
len1=length, len2=width)
domain = Domain(points, vertices, boundary)
domain.set_name()
print domain.statistics()
domain.set_quantities_to_be_stored({'elevation': 2,
'stage': 2,
'xmomentum': 2,
'ymomentum': 2})
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
def topography_dam(x,y):
"""Complex topography defined by a function of vectors x and y."""
z = -x/100
# Setup and Run Model
#===============================================================================
#------------------------------------------------------------------------------
# Setup computational domain
#------------------------------------------------------------------------------
print ' Set up Domain first...'
length = 24.
width = 5.
dx = dy = 0.2 #.1 # Resolution: Length of subdivisions on both axes
points, vertices, boundary = rectangular_cross(int(length / dx),
int(width / dy),
len1=length,
len2=width)
domain = Domain(points, vertices, boundary)
domain.set_flow_algorithm('DE0')
domain.set_name() # Output name
domain.set_store_vertices_uniquely(True)
print domain.statistics()
domain.set_quantities_to_be_stored({
'elevation': 2,
'stage': 2,
'xmomentum': 2,
'ymomentum': 2
})
domain.set_quantity('elevation', topography) # elevation is a function
domain.set_quantity('friction', 0.01) # Constant friction
from anuga import Reflective_boundary
from anuga import Dirichlet_boundary
from anuga import Time_boundary
import os
#------------------------------------------------------------------------------
# Setup computational domain
#------------------------------------------------------------------------------
length = 24.
width = 5.
dx = dy = 0.2 #.1 # Resolution: Length of subdivisions on both axes
points, vertices, boundary = rectangular_cross(int(length/dx), int(width/dy),
len1=length, len2=width)
domain = Domain(points, vertices, boundary)
domain.set_name() # Output name based on script name. You can add timestamp=True
print domain.statistics()
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
def topography(x,y):
"""Complex topography defined by a function of vectors x and y."""
z = -x/100
# Step
id = (2 < x) & (x < 4)
z[id] += 0.4 - 0.05*y[id]
from anuga import Domain
from anuga import myid, finalize, distribute
args = anuga.get_args()
alg = args.alg
verbose = args.verbose
if myid == 0:
#---------
#Setup computational domain
#---------
points, vertices, boundary = anuga.rectangular_cross(100,
3,
len1=1.0,
len2=0.03)
domain = Domain(points, vertices, boundary) # Create Domain
domain.set_name('runup') # Output to file runup.sww
domain.set_datadir('.') # Use current folder
domain.set_quantities_to_be_stored({
'stage': 2,
'xmomentum': 2,
'ymomentum': 2,
'elevation': 1
})
domain.set_flow_algorithm(alg)
#------------------
# Define topography
#------------------
def topography(x, y):
return -x / 2 #Linear bed slope
#------------------------------------------------------------------------------
# Setup domain
#------------------------------------------------------------------------------
dx = 0.1
dy = dx
L = 25.
W = 3*dx
if myid == 0:
# structured mesh
points, vertices, boundary = anuga.rectangular_cross(int(L/dx), int(W/dy), L, W, (0.0, 0.0))
#domain = anuga.Domain(points, vertices, boundary)
domain = Domain(points, vertices, boundary)
domain.set_name(output_file)
domain.set_datadir(output_dir)
domain.set_flow_algorithm(alg)
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
domain.set_quantity('elevation',0.0)
domain.set_quantity('friction', 0.0)
domain.set_quantity('stage', 1.5)
domain.set_quantity('xmomentum', 0.0)
domain.set_quantity('ymomentum', 0.0)
#===============================================================================
# Setup and Run Model
#===============================================================================
#------------------------------------------------------------------------------
# Setup computational domain
#------------------------------------------------------------------------------
print ' Set up Domain first...'
length = 24.
width = 5.
dx = dy = 0.2 #.1 # Resolution: Length of subdivisions on both axes
points, vertices, boundary = rectangular_cross(int(length/dx), int(width/dy),
len1=length, len2=width)
domain = Domain(points, vertices, boundary)
domain.set_flow_algorithm('DE1')
domain.set_name('flat_fill_slice_erosion') # Output name
print domain.statistics()
domain.set_quantities_to_be_stored({'elevation': 2,
'stage': 2,
'xmomentum': 2,
'ymomentum': 2})
domain.set_quantity('elevation', topography) # elevation is a function
domain.set_quantity('friction', 0.01) # Constant friction
domain.set_quantity('stage', expression='elevation') # Dry initial condition
) # Velocity
dana = fluxin / uana # Depth
args = anuga.get_args()
alg = args.alg
verbose = args.verbose
#------------------------------------------------------------------------------
# Setup sequential computational domain
#------------------------------------------------------------------------------
if myid == 0:
points, vertices, boundary = rectangular_cross(40,
10,
len1=400.0,
len2=100.0)
domain = Domain(points, vertices, boundary) # Create domain
domain.set_name('channel') # Output name
domain.set_flow_algorithm(alg)
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
def topography(x, y):
return -x / 10. # linear bed slope
def init_stage(x, y):
stg = -x / 10. + 0.004 # Constant depth: 10 cm.
return stg
elif 1500.0 <= x[i] < 1700.0:
z[i] = 3.0
elif 1700.0 <= x[i] < 1800.0:
z[i] = -0.03*(x[i]-1700) + 3.0
else:
z[i] = (4.5/40000)*(x[i]-1800)*(x[i]-1800) + 2.0
return z
#------------------------------------------------------------------------------
# Setup sequential domain
#------------------------------------------------------------------------------
if myid == 0:
# structured mesh
points, vertices, boundary = anuga.rectangular_cross(int(L/dx), int(W/dy), L, W, (0.0, 0.0))
domain = Domain(points, vertices, boundary)
domain.set_name(output_file)
domain.set_datadir(output_dir)
domain.set_flow_algorithm(alg)
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
domain.set_quantity('friction', 0.0)
domain.set_quantity('stage', stage_flat)
domain.set_quantity('elevation', bed_elevation)
else:
domain = None
from anuga import Reflective_boundary
from anuga import Dirichlet_boundary
from anuga import Time_boundary
#------------------------------------------------------------------------------
# Setup computational domain
#------------------------------------------------------------------------------
length = 24.
width = 5.
dx = dy = 0.1 # Resolution: Length of subdivisions on both axes
points, vertices, boundary = rectangular_cross(int(length / dx),
int(width / dy),
len1=length,
len2=width)
domain = Domain(points, vertices, boundary)
domain.set_name('channel_variable_bed_dx=%.2f_dy=%.2f' %
(dx, dy)) # Output name
print(domain.statistics())
domain.set_quantities_to_be_stored({'elevation': 2, 'stage': 2})
#------------------------------------------------------------------------------
# Setup initial conditions
#------------------------------------------------------------------------------
def topography(x, y):
"""Complex topography defined by a function of vectors x and y."""
z = -x / 100
def test_rate_operator_rate_from_file(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1, 0, 2], [1, 2, 4], [4, 2, 5], [3, 1, 4]]
#---------------------------------
#Typical ASCII file
#---------------------------------
finaltime = 1200
filename = 'test_file_function'
fid = open(filename + '.txt', 'w')
start = time.mktime(time.strptime('2000', '%Y'))
dt = 60 #One minute intervals
t = 0.0
while t <= finaltime:
t_string = time.strftime(time_format, time.gmtime(t + start))
fid.write('%s, %f %f %f\n' %
(t_string, 2 * t, t**2, sin(t * pi / 600)))
t += dt
fid.close()
#Convert ASCII file to NetCDF (Which is what we really like!)
timefile2netcdf(filename + '.txt')
#Create file function from time series
F = file_function(
filename + '.tms',
quantities=['Attribute0', 'Attribute1', 'Attribute2'])
#Now try interpolation
for i in range(20):
t = i * 10
q = F(t)
#Exact linear intpolation
assert num.allclose(q[0], 2 * t)
if i % 6 == 0:
assert num.allclose(q[1], t**2)
assert num.allclose(q[2], sin(t * pi / 600))
#Check non-exact
t = 90 #Halfway between 60 and 120
q = F(t)
assert num.allclose((120**2 + 60**2) / 2, q[1])
assert num.allclose((sin(120 * pi / 600) + sin(60 * pi / 600)) / 2,
q[2])
t = 100 #Two thirds of the way between between 60 and 120
q = F(t)
assert num.allclose(2 * 120**2 / 3 + 60**2 / 3, q[1])
assert num.allclose(
2 * sin(120 * pi / 600) / 3 + sin(60 * pi / 600) / 3, q[2])
#os.remove(filename + '.txt')
#os.remove(filename + '.tms')
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0, 1, 3]
rate = file_function('test_file_function.tms',
quantities=['Attribute1'])
factor = 1000.0
default_rate = 17.7
operator = Rate_operator(domain, rate=rate, factor=factor, \
indices=indices, default_rate = default_rate)
# Apply Operator
domain.set_starttime(360.0)
domain.timestep = 1.0
operator()
d = domain.get_time()**2 * factor + 1.0
stage_ex0 = [d, d, 1., d]
# print d, domain.get_time(), F(360.0)
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex0)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
domain.set_starttime(-10.0)
domain.timestep = 1.0
try:
operator()
except:
pass
else:
raise Exception('Should have raised an exception, time too early')
domain.set_starttime(1300.0)
domain.timestep = 1.0
operator()
d = default_rate * factor + d
stage_ex1 = [d, d, 1., d]
# print domain.quantities['elevation'].centroid_values
# print domain.quantities['stage'].centroid_values
# print domain.quantities['xmomentum'].centroid_values
# print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values,
stage_ex1)
assert num.allclose(domain.quantities['xmomentum'].centroid_values,
0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values,
0.0)
assert num.allclose(domain.fractional_step_volume_integral,
((d - 1.) * domain.areas[indices]).sum())
def test_rate_operator_rate_quantity(self):
from anuga.config import rho_a, rho_w, eta_w
from math import pi, cos, sin
a = [0.0, 0.0]
b = [0.0, 2.0]
c = [2.0, 0.0]
d = [0.0, 4.0]
e = [2.0, 2.0]
f = [4.0, 0.0]
points = [a, b, c, d, e, f]
# bac, bce, ecf, dbe
vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]]
domain = Domain(points, vertices)
#Flat surface with 1m of water
domain.set_quantity('elevation', 0.0)
domain.set_quantity('stage', 1.0)
domain.set_quantity('friction', 0.0)
Br = Reflective_boundary(domain)
domain.set_boundary({'exterior': Br})
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
# Apply operator to these triangles
indices = [0,1,3]
factor = 10.0
from anuga import Quantity
rate_Q = Quantity(domain)
rate_Q.set_values(1.0)
operator = Rate_operator(domain, rate=rate_Q, factor=factor, \
indices=indices)
# Apply Operator
domain.timestep = 2.0
operator()
rate = rate_Q.centroid_values[indices]
t = operator.get_time()
Q = operator.get_Q()
rate = rate*factor
Q_ex = num.sum(domain.areas[indices]*rate)
d = operator.get_timestep()*rate + 1
#print "d"
#print d
#print Q_ex
#print Q
stage_ex = num.array([ 1.0, 1.0, 1.0, 1.0])
stage_ex[indices] = d
verbose = False
if verbose:
print domain.quantities['elevation'].centroid_values
print domain.quantities['stage'].centroid_values
print domain.quantities['xmomentum'].centroid_values
print domain.quantities['ymomentum'].centroid_values
assert num.allclose(domain.quantities['stage'].centroid_values, stage_ex)
assert num.allclose(domain.quantities['xmomentum'].centroid_values, 0.0)
assert num.allclose(domain.quantities['ymomentum'].centroid_values, 0.0)
assert num.allclose(Q_ex, Q)
assert num.allclose(domain.fractional_step_volume_integral, ((d-1.)*domain.areas[indices]).sum())
