from dolfin import *
from dolfin_adjoint import *
from math import exp, sqrt, pi
import sw_lib
params = sw_lib.parameters({
'depth': 2.,
'g': 9.81,
'f': 0.0,
'dump_period': 1,
'eta0': 2 # Wave height
})
# Basin radius.
basin_x = 3000 # The length of the basin
basin_y = 1000 # The width of the basin
nx = 20 # Number of cells in x direction
ny = 3 # Number of cells in y direction
# Long wave celerity.
c = sqrt(params["g"] * params["depth"])
params["finish_time"] = 100
params["dt"] = params["finish_time"] / 4000.
class InitialConditions(UserExpression):
def eval(self, values, X):
values[0] = params['eta0'] * sqrt(params['g'] * params['depth']) * cos(
pi * X[0] / 3000)
values[1] = 0.
from dolfin import Mesh, Expression
from math import exp, sqrt, pi
import sw_lib
params=sw_lib.parameters({
'depth' : 5.,
'g' : 10.,
'f' : 1.0313e-4,
'dump_period' : 10
})
# Basin radius.
r0=250000
# Long wave celerity.
c=sqrt(params["g"]*params["depth"])
params["finish_time"]=4*2*pi*r0/c
params["dt"]=params["finish_time"]/4000.
# Rossby radius.
LR=c/params["f"]
class InitialConditions(Expression):
def __init__(self):
pass
def eval(self, values, X):
r=(X[0]**2+X[1]**2)**0.5
if r>0.0001:
values[0]=-0.05*c*exp((r-r0)/LR)*X[0]/r*X[1]/r
from dolfin import *
from math import exp, sqrt, pi
import sw_lib
params=sw_lib.parameters({
'depth' : 2.,
'g' : 9.81,
'f' : 0.0,
'dump_period' : 1,
'eta0' : 2 # Wave height
})
# Basin radius.
basin_x=3000 # The length of the basin
basin_y=1000 # The width of the basin
nx=20 # Number of cells in x direction
ny=3 # Number of cells in y direction
# Long wave celerity.
c=sqrt(params["g"]*params["depth"])
params["finish_time"]=100
params["dt"]=params["finish_time"]/4000.
class InitialConditions(Expression):
def __init__(self):
pass
def eval(self, values, X):
values[0]=params['eta0']*sqrt(params['g']*params['depth'])*cos(pi*X[0]/3000)
values[1]=0.
from dolfin import Mesh, Expression
from math import exp, sqrt, pi
import sw_lib
params = sw_lib.parameters({
'depth': 5.,
'g': 10.,
'f': 1.0313e-4,
'dump_period': 10
})
# Basin radius.
r0 = 250000
# Long wave celerity.
c = sqrt(params["g"] * params["depth"])
params["finish_time"] = 4 * 2 * pi * r0 / c
params["dt"] = params["finish_time"] / 4000.
# Rossby radius.
LR = c / params["f"]
class InitialConditions(Expression):
def eval(self, values, X):
r = (X[0]**2 + X[1]**2)**0.5
if r > 0.0001:
values[0] = -0.05 * c * exp((r - r0) / LR) * X[0] / r * X[1] / r
values[1] = 0.05 * c * exp((r - r0) / LR) * X[0] / r * X[0] / r
values[2] = 0.05 * exp((r - r0) / LR) * X[0] / r
from dolfin import *
from math import exp, sqrt, pi
import sw_lib
params = sw_lib.parameters({"depth": 2.0, "g": 9.81, "f": 0.0, "dump_period": 1, "eta0": 2}) # Wave height
# Basin radius.
basin_x = 3000 # The length of the basin
basin_y = 1000 # The width of the basin
nx = 20 # Number of cells in x direction
ny = 3 # Number of cells in y direction
# Long wave celerity.
c = sqrt(params["g"] * params["depth"])
params["finish_time"] = 100
params["dt"] = params["finish_time"] / 4000.0
class InitialConditions(Expression):
def __init__(self):
pass
def eval(self, values, X):
values[0] = params["eta0"] * sqrt(params["g"] * params["depth"]) * cos(pi * X[0] / 3000)
values[1] = 0.0
values[2] = params["eta0"] * cos(pi * X[0] / 3000)
def value_shape(self):
return (3,)