## bottom volume
#cubit.cmd('volume 5 size 4785.71')
cubit.cmd('volume 5 size 4500.')
cubit.cmd('mesh volume 5')
# draw/update mesh lines for visualization
# this will draw also the tripling layer mesh lines
cubit.cmd('draw volume all')
#### End of meshing
###### This is boundary_definition.py of GEOCUBIT
#..... which extracts the bounding faces and defines them into blocks
boundary_definition.entities=['face']
boundary_definition.define_bc(boundary_definition.entities,parallel=True)
#### Define material properties for the 3 volumes ################
cubit.cmd('#### DEFINE MATERIAL PROPERTIES #######################')
cubit.cmd('block 1 name "elastic 1" ') # elastic material region
cubit.cmd('block 1 attribute count 6')
cubit.cmd('block 1 attribute index 1 1 ') # volume 1
cubit.cmd('block 1 attribute index 2 2800 ') # vp
cubit.cmd('block 1 attribute index 3 1500 ') # vs
cubit.cmd('block 1 attribute index 4 2300 ') # rho
cubit.cmd('block 1 attribute index 5 9000.0 ') # Q_mu
cubit.cmd('block 1 attribute index 6 0 ') # anisotropy_flag
cubit.cmd('block 2 name "elastic 2" ') # elastic material region
cubit.cmd('block 2 attribute count 6')
cubit.cmd('block 2 attribute index 1 2 ') # volume 2
cubit.cmd('volume 3 size ' + str(elementsize))
cubit.cmd('mesh volume 3')
#cubit.cmd('refine surface 8 numsplit 1 bias 1.0 depth 1')
cubit.cmd('volume 1 size ' + str(elementsize))
cubit.cmd('mesh volume 1')
cubit.cmd('volume 5 size ' + str(elementsize))
cubit.cmd('mesh volume 5')
#### End of meshing
###### This is boundary_definition.py of GEOCUBIT
#..... which extracts the bounding faces and defines them into blocks
boundary_definition.entities = ['face']
boundary_definition.define_bc(boundary_definition.entities, parallel=True)
#### Define material properties for the 3 volumes ################
cubit.cmd('#### DEFINE MATERIAL PROPERTIES #######################')
cubit.cmd('block 1 name "elastic 1" ') # elastic material region
cubit.cmd('block 1 attribute count 6')
cubit.cmd('block 1 attribute index 1 1 ') # volume 1
cubit.cmd('block 1 attribute index 2 2800 ') # vp
cubit.cmd('block 1 attribute index 3 1500 ') # vs
cubit.cmd('block 1 attribute index 4 2300 ') # rho
cubit.cmd('block 1 attribute index 5 9000. ') # Q_mu
cubit.cmd('block 1 attribute index 6 0 ') # anisotropy_flag
cubit.cmd('block 2 name "elastic 2" ') # elastic material region
cubit.cmd('block 2 attribute count 6')
cubit.cmd('block 2 attribute index 1 2 ') # volume 2
def mesh_layercake_regularmap(filename=None):
import sys,os
import start as start
mpiflag,iproc,numproc,mpi = start.start_mpi()
from utilities import importgeometry,savemesh,get_v_h_list,cubit_command_check
#
numpy = start.start_numpy()
cfg = start.start_cfg(filename=filename)
from math import sqrt
from sets import Set
#
class cubitvolume:
def __init__(self,ID,intervalv,centerpoint,dimension):
self.ID=ID
self.intervalv=intervalv
self.centerpoint=centerpoint
self.dim=dimension
def __repr__(self):
msg="(vol:%3i, vertical interval: %4i, centerpoint: %8.2f)" % (self.ID, self.intervalv,self.centerpoint)
return msg
#
def by_z(x,y):
return cmp(x.centerpoint,y.centerpoint)
#
#
#
list_vol=cubit.parse_cubit_list("volume","all")
if len(list_vol) != 0:
pass
else:
geometryfile='geometry_vol_'+str(iproc)+'.cub'
importgeometry(geometryfile,iproc=iproc)
#
command = 'composite create curve all'
cubit.cmd(command)
print '###"No valid composites can be created from the specified curves." is NOT a critical ERROR.'
#
command = "compress all"
cubit.cmd(command)
list_vol=cubit.parse_cubit_list("volume","all")
nvol=len(list_vol)
vol=[]
for id_vol in list_vol:
p=cubit.get_center_point("volume",id_vol)
vol.append(cubitvolume(id_vol,1,p[2],0))
vol.sort(by_z)
#
for id_vol in range(0,nvol):
vol[id_vol].intervalv=cfg.iv_interval[id_vol]
#
#
surf_vertical=[]
surf_or=[]
top_surface=0
top_surface_add=''
bottom_surface=0
#
zmin_box=cubit.get_total_bounding_box("volume",list_vol)[6]
xmin_box=cubit.get_total_bounding_box("volume",list_vol)[0]
xmax_box=cubit.get_total_bounding_box("volume",list_vol)[1]
ymin_box=cubit.get_total_bounding_box("volume",list_vol)[3]
ymax_box=cubit.get_total_bounding_box("volume",list_vol)[4]
#
#
#interval assignement
surf_or,surf_vertical,list_curve_or,list_curve_vertical,bottom,top = get_v_h_list(list_vol,chktop=cfg.chktop)
print 'vertical surfaces: ',surf_vertical
for k in surf_vertical:
command = "surface "+str(k)+" scheme submap"
cubit.cmd(command)
for k in surf_or:
command = "surface "+str(k)+" scheme "+cfg.or_mesh_scheme
cubit.cmd(command)
#
ucurve,vcurve=get_uv_curve(list_curve_or)
schemepave=False
#
ucurve_interval={}
for k in ucurve:
length=cubit.get_curve_length(k)
interval=int(2*round(.5*length/cfg.size,0))
ucurve_interval[k]=interval
command = "curve "+str(k)+" interval "+str(interval)
cubit.cmd(command)
#cubit_error_stop(iproc,command,ner)
command = "curve "+str(k)+" scheme equal"
cubit.cmd(command)
#cubit_error_stop(iproc,command,ner)
if max(ucurve_interval.values()) != min(ucurve_interval.values()):
schemepave=True
print 'mesh scheme is set to pave'
for sk in surf_or:
command = "surface "+str(sk)+" scheme pave"
cubit.cmd(command)
#
vcurve_interval={}
for k in vcurve:
length=cubit.get_curve_length(k)
interval=int(2*round(.5*length/cfg.size,0))
vcurve_interval[k]=interval
command = "curve "+str(k)+" interval "+str(interval)
cubit.cmd(command)
#cubit_error_stop(iproc,command,ner)
command = "curve "+str(k)+" scheme equal"
cubit.cmd(command)
#cubit_error_stop(iproc,command,ner)
if max(vcurve_interval.values()) != min(vcurve_interval.values()):
print 'mesh scheme is set to pave'
schemepave=True
for sk in surf_or:
command = "surface "+str(sk)+" scheme pave"
cubit.cmd(command)
#
for s in surf_vertical:
lcurve=cubit.get_relatives("surface",s,"curve")
interval_store=[]
for k in lcurve:
interval_curve=cubit.get_mesh_intervals('curve',k)
if k in list_curve_vertical:
volume_id = cubit.get_owning_volume("curve", k)
for idv in range(0,nvol):
if vol[idv].ID == volume_id:
int_v=vol[idv].intervalv
command = "curve "+str(k)+" interval "+str(int_v)
cubit.cmd(command)
#cubit_error_stop(iproc,command,ner)
command = "curve "+str(k)+" scheme equal"
cubit.cmd(command)
#cubit_error_stop(iproc,command,ner)
else:
interval_store.append((k,interval_curve))
if len(interval_store) != 0:
interval_min=min([iv[1] for iv in interval_store])
command = "curve "+' '.join(str(iv[0]) for iv in interval_store)+" interval "+str(interval_min)
cubit.cmd(command)
#cubit_error_stop(iproc,command,ner)
command = "curve "+' '.join(str(iv[0]) for iv in interval_store)+" scheme equal"
cubit.cmd(command)
#cubit_error_stop(iproc,command,ner)
command = "surface "+str(s)+" scheme submap"
cubit.cmd(command)
#cubit_error_stop(iproc,command,ner)
#
#meshing
if cfg.or_mesh_scheme == 'pave' or schemepave:
command='mesh surf '+' '.join(str(t) for t in top)
status=cubit_command_check(iproc,command,stop=True)
#cubit.cmd(command)
elif cfg.or_mesh_scheme == 'map':
command='mesh surf '+' '.join(str(t) for t in bottom)
status=cubit_command_check(iproc,command,stop=True)
#cubit.cmd(command)
for id_volume in range(nvol-1,-1,-1):
command = "mesh vol "+str(vol[id_volume].ID)
status=cubit_command_check(iproc,command,stop=False)
if not status:
for s in surf_vertical:
command_surf="mesh surf "+str(s)
cubit.cmd(command_surf)
command_set_meshvol='volume all redistribute nodes on\nvolume all autosmooth target off\nvolume all scheme Sweep Vector 0 0 -1\nvolume all sweep smooth Auto\n'
status=cubit_command_check(iproc,command_set_meshvol,stop=False)
status=cubit_command_check(iproc,command,stop=True)
#
#smoothing
print iproc, 'untangling...'
cmd="volume all smooth scheme untangle beta 0.02 cpu 10"
cubit.cmd(cmd)
cmd="smooth volume all"
cubit.cmd(cmd)
if cfg.smoothing:
print 'smoothing .... '+str(cfg.smoothing)
cubitcommand= 'surf all smooth scheme laplacian '
cubit.cmd(cubitcommand)
cubitcommand= 'smooth surf all'
cubit.cmd(cubitcommand)
#
cubitcommand= 'vol all smooth scheme laplacian '
cubit.cmd(cubitcommand)
cubitcommand= 'smooth vol all'
cubit.cmd(cubitcommand)
#
#
##vertical refinement
##for nvol = 3
##
##___________________________ interface 4
##
##vol 2
##___________________________ interface 3
##
##vol 1
##___________________________ interface 2
##
##vol 0
##___________________________ interface 1
##
refinement(nvol,vol,filename=filename)
#
#top layer vertical coarsening
print 'coarsening top layer... ',cfg.coarsening_top_layer
if cfg.coarsening_top_layer:
from sets import Set
cubitcommand= 'del mesh vol '+str(vol[-1].ID)+ ' propagate'
cubit.cmd(cubitcommand)
s1=Set(list_curve_vertical)
command = "group 'list_curve_tmp' add curve "+"in vol "+str(vol[-1].ID)
cubit.cmd(command)
group=cubit.get_id_from_name("list_curve_tmp")
list_curve_tmp=cubit.get_group_curves(group)
command = "delete group "+ str(group)
cubit.cmd(command)
s2=Set(list_curve_tmp)
lc=list(s1 & s2)
#
cubitcommand= 'curve '+' '.join(str(x) for x in lc)+' interval '+str(cfg.actual_vertical_interval_top_layer)
cubit.cmd(cubitcommand)
cubitcommand= 'mesh vol '+str(vol[-1].ID)
cubit.cmd(cubitcommand)
#
n=cubit.get_sideset_id_list()
if len(n) != 0:
command = "del sideset all"
cubit.cmd(command)
n=cubit.get_block_id_list()
if len(n) != 0:
command = "del block all"
cubit.cmd(command)
#
import boundary_definition
entities=['face']
print iproc, 'hex block definition...'
boundary_definition.define_bc(entities,parallel=True,cpux=cfg.cpux,cpuy=cfg.cpuy,cpuxmin=0,cpuymin=0,optionsea=False)
#save mesh
print iproc, 'untangling...'
cmd="volume all smooth scheme untangle beta 0.02 cpu 10"
cubit.cmd(cmd)
cmd="smooth volume all"
cubit.cmd(cmd)
print iproc, 'saving...'
savemesh(mpiflag,iproc=iproc,filename=filename)
def mesh_layercake_regularmap(filename=None):
import start as start
mpiflag, iproc, numproc, mpi = start.start_mpi()
from utilities import importgeometry, savemesh, get_v_h_list
from utilities import cubit_command_check, get_cubit_version
#
# numpy = start.start_numpy()
cfg = start.start_cfg(filename=filename)
# from math import sqrt
version_cubit = get_cubit_version()
list_vol = cubit.parse_cubit_list("volume", "all")
if len(list_vol) != 0:
pass
else:
geometryfile = 'geometry_vol_' + str(iproc) + '.cub'
importgeometry(geometryfile, iproc=iproc)
command = 'composite create curve all'
cubit.cmd(command)
print('###"No valid composites can be created from the specified curves." \
is NOT a critical ERROR.')
#
command = "compress all"
cubit.cmd(command)
list_vol = cubit.parse_cubit_list("volume", "all")
nvol = len(list_vol)
vol = []
for id_vol in list_vol:
p = cubit.get_center_point("volume", id_vol)
vol.append(cubitvolume(id_vol, 1, p[2], 0))
vol.sort(by_z)
#
for id_vol in range(0, nvol):
vol[id_vol].intervalv = cfg.iv_interval[id_vol]
#
#
surf_vertical = []
surf_or = []
# top_surface = 0
# top_surface_add = ''
# bottom_surface = 0
# #
# zmin_box = cubit.get_total_bounding_box("volume", list_vol)[6]
# xmin_box = cubit.get_total_bounding_box("volume", list_vol)[0]
# xmax_box = cubit.get_total_bounding_box("volume", list_vol)[1]
# ymin_box = cubit.get_total_bounding_box("volume", list_vol)[3]
# ymax_box = cubit.get_total_bounding_box("volume", list_vol)[4]
#
#
# interval assignement
surf_or, surf_vertical, list_curve_or, list_curve_vertical, \
bottom, top = get_v_h_list(list_vol, chktop=cfg.chktop)
print('vertical surfaces: ', surf_vertical)
for k in surf_vertical:
command = "surface " + str(k) + " scheme submap"
cubit.cmd(command)
for k in surf_or:
command = "surface " + str(k) + " scheme " + cfg.or_mesh_scheme
cubit.cmd(command)
#
ucurve, vcurve = get_uv_curve(list_curve_or)
schemepave = False
#
ucurve_interval = {}
for k in ucurve:
length = cubit.get_curve_length(k)
interval = int(2 * round(.5 * length / cfg.size, 0))
ucurve_interval[k] = interval
command = "curve " + str(k) + " interval " + str(interval)
cubit.cmd(command)
# cubit_error_stop(iproc,command,ner)
command = "curve " + str(k) + " scheme equal"
cubit.cmd(command)
# cubit_error_stop(iproc,command,ner)
if max(ucurve_interval.values()) != min(ucurve_interval.values()):
schemepave = True
print('mesh scheme is set to pave')
for sk in surf_or:
command = "surface " + str(sk) + " scheme pave"
cubit.cmd(command)
#
vcurve_interval = {}
for k in vcurve:
length = cubit.get_curve_length(k)
interval = int(2 * round(.5 * length / cfg.size, 0))
vcurve_interval[k] = interval
command = "curve " + str(k) + " interval " + str(interval)
cubit.cmd(command)
# cubit_error_stop(iproc,command,ner)
command = "curve " + str(k) + " scheme equal"
cubit.cmd(command)
# cubit_error_stop(iproc,command,ner)
if max(vcurve_interval.values()) != min(vcurve_interval.values()):
print('mesh scheme is set to pave')
schemepave = True
for sk in surf_or:
command = "surface " + str(sk) + " scheme pave"
cubit.cmd(command)
#
for s in surf_vertical:
lcurve = cubit.get_relatives("surface", s, "curve")
interval_store = []
for k in lcurve:
interval_curve = cubit.get_mesh_intervals('curve', k)
if k in list_curve_vertical:
volume_id = cubit.get_owning_volume("curve", k)
for idv in range(0, nvol):
if vol[idv].ID == volume_id:
int_v = vol[idv].intervalv
command = "curve " + str(k) + " interval " + str(int_v)
cubit.cmd(command)
# cubit_error_stop(iproc,command,ner)
command = "curve " + str(k) + " scheme equal"
cubit.cmd(command)
# cubit_error_stop(iproc,command,ner)
else:
interval_store.append((k, interval_curve))
if len(interval_store) != 0:
interval_min = min([iv[1] for iv in interval_store])
str_interval = [str(iv[0]) for iv in interval_store]
cmd = "curve " + ' '.join(str_interval) + \
" interval " + str(interval_min)
cubit.cmd(cmd)
command = "curve " + \
' '.join(str(iv[0])
for iv in interval_store) + " scheme equal"
cubit.cmd(command)
command = "surface " + str(s) + " scheme submap"
cubit.cmd(command)
# meshing
if cfg.or_mesh_scheme == 'pave' or schemepave:
command = 'mesh surf ' + ' '.join(str(t) for t in top)
status = cubit_command_check(iproc, command, stop=True)
# cubit.cmd(command)
elif cfg.or_mesh_scheme == 'map':
command = 'mesh surf ' + ' '.join(str(t) for t in bottom)
status = cubit_command_check(iproc, command, stop=True)
# cubit.cmd(command)
for id_volume in range(nvol - 1, -1, -1):
command = "mesh vol " + str(vol[id_volume].ID)
status = cubit_command_check(iproc, command, stop=False)
if not status:
for s in surf_vertical:
command_surf = "mesh surf " + str(s)
cubit.cmd(command_surf)
if version_cubit < 16:
command_set_meshvol = '''volume all redistribute nodes on
volume all autosmooth target off
volume all scheme Sweep Vector 0 0 -1
volume all sweep smooth Auto
'''
else:
command_set_meshvol = '''volume all redistribute nodes on
volume all autosmooth target off
volume all scheme Sweep Vector 0 0 -1
'''
status2 = cubit_command_check(
iproc, command_set_meshvol, stop=False)
status2 = cubit_command_check(iproc, command, stop=False)
if not status2:
_surf = cubit.get_relatives(
'volume', vol[id_volume].ID, 'surface')
local_o_surf = [x for x in _surf if x in surf_or]
cubit.cmd('volume ' + str(vol[id_volume].ID) +
' redistribute nodes off')
cubit.cmd('volume ' + str(vol[id_volume].ID) +
' scheme Sweep source surface ' +
' '.join(str(x) for x in local_o_surf[0:-1]) +
' target surface ' + str(local_o_surf[-1]))
cubit.cmd('volume ' + str(vol[id_volume].ID) +
' autosmooth_target off')
status = cubit_command_check(iproc, command, stop=True)
#
# smoothing
print(iproc, 'untangling...')
cmd = "volume all smooth scheme untangle beta 0.02 cpu 10"
cubit.cmd(cmd)
cmd = "smooth volume all"
cubit.cmd(cmd)
if cfg.smoothing:
print('smoothing .... ' + str(cfg.smoothing))
cubitcommand = 'surf all smooth scheme laplacian '
cubit.cmd(cubitcommand)
cubitcommand = 'smooth surf all'
cubit.cmd(cubitcommand)
#
cubitcommand = 'vol all smooth scheme laplacian '
cubit.cmd(cubitcommand)
cubitcommand = 'smooth vol all'
cubit.cmd(cubitcommand)
#
#
# vertical refinement
# for nvol = 3
##
# ___________________________ interface 4
##
# vol 2
# ___________________________ interface 3
##
# vol 1
# ___________________________ interface 2
##
# vol 0
# ___________________________ interface 1
##
refinement(nvol, vol, filename=filename)
#
# top layer vertical coarsening
print('coarsening top layer... ', cfg.coarsening_top_layer)
if cfg.coarsening_top_layer:
cubitcommand = 'del mesh vol ' + str(vol[-1].ID) + ' propagate'
cubit.cmd(cubitcommand)
s1 = set(list_curve_vertical)
command = "group 'list_curve_tmp' add curve " + \
"in vol " + str(vol[-1].ID)
cubit.cmd(command)
group = cubit.get_id_from_name("list_curve_tmp")
list_curve_tmp = cubit.get_group_curves(group)
command = "delete group " + str(group)
cubit.cmd(command)
s2 = set(list_curve_tmp)
lc = list(s1 & s2)
#
cubitcommand = 'curve ' + \
' '.join(str(x) for x in lc) + ' interval ' + \
str(cfg.actual_vertical_interval_top_layer)
cubit.cmd(cubitcommand)
cubitcommand = 'mesh vol ' + str(vol[-1].ID)
cubit.cmd(cubitcommand)
#
n = cubit.get_sideset_id_list()
if len(n) != 0:
command = "del sideset all"
cubit.cmd(command)
n = cubit.get_block_id_list()
if len(n) != 0:
command = "del block all"
cubit.cmd(command)
#
import boundary_definition
entities = ['face']
print(iproc, 'hex block definition...')
boundary_definition.define_bc(entities, parallel=True,
cpux=cfg.cpux, cpuy=cfg.cpuy,
cpuxmin=0, cpuymin=0, optionsea=False)
# save mesh
print(iproc, 'untangling...')
cmd = "volume all smooth scheme untangle beta 0.02 cpu 10"
cubit.cmd(cmd)
cmd = "smooth volume all"
cubit.cmd(cmd)
print(iproc, 'saving...')
savemesh(mpiflag, iproc=iproc, filename=filename)
