301 lines
7.2 KiB
Python
Executable File
301 lines
7.2 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
import os, sys, math, re, threading, time, string, msc_tools
|
|
from optparse import OptionParser, OptionGroup, Option, SUPPRESS_HELP
|
|
|
|
|
|
# ----------------------- FUNCTIONS ----------------------------
|
|
|
|
def outMentat(cmd,locals):
|
|
if cmd[0:3] == '(!)':
|
|
exec(cmd[3:])
|
|
elif cmd[0:3] == '(?)':
|
|
cmd = eval(cmd[3:])
|
|
py_send(cmd)
|
|
else:
|
|
py_send(cmd)
|
|
return
|
|
|
|
def outStdout(cmd,locals):
|
|
if cmd[0:3] == '(!)':
|
|
exec(cmd[3:])
|
|
elif cmd[0:3] == '(?)':
|
|
cmd = eval(cmd[3:])
|
|
print cmd
|
|
else:
|
|
print cmd
|
|
return
|
|
|
|
|
|
def output(cmds,locals,dest):
|
|
for cmd in cmds:
|
|
if isinstance(cmd,list):
|
|
output(cmd,locals,dest)
|
|
else:
|
|
{\
|
|
'Mentat': outMentat,\
|
|
'Stdout': outStdout,\
|
|
}[dest](str(cmd),locals)
|
|
return
|
|
|
|
|
|
|
|
#--------------------
|
|
def init():
|
|
#--------------------
|
|
return ["*new_model yes",
|
|
"*reset",
|
|
"*select_clear",
|
|
"*set_element_class hex8",
|
|
"*set_nodes off",
|
|
"*elements_solid",
|
|
"*show_view 4",
|
|
"*reset_view",
|
|
"*view_perspective",
|
|
"*redraw",
|
|
]
|
|
|
|
|
|
#--------------------
|
|
def mesh(r,d):
|
|
#--------------------
|
|
return [
|
|
"*add_nodes",
|
|
"%f %f %f"%(0.0,0.0,0.0),
|
|
"%f %f %f"%(0.0,0.0,d[2]),
|
|
"%f %f %f"%(0.0,d[1],d[2]),
|
|
"%f %f %f"%(0.0,d[1],0.0),
|
|
"%f %f %f"%(-d[0],0.0,0.0),
|
|
"%f %f %f"%(-d[0],0.0,d[2]),
|
|
"%f %f %f"%(-d[0],d[1],d[2]),
|
|
"%f %f %f"%(-d[0],d[1],0.0),
|
|
"*add_elements",
|
|
range(1,9),
|
|
"*sub_divisions",
|
|
"%i %i %i"%(r[2],r[1],r[0]),
|
|
"*subdivide_elements",
|
|
"all_existing",
|
|
"*set_sweep_tolerance",
|
|
"%f"%(float(min(d))/max(r)/2.0),
|
|
"*sweep_all",
|
|
"*renumber_all",
|
|
"*set_move_scale_factor x -1",
|
|
"*move_elements",
|
|
"all_existing",
|
|
"*flip_elements",
|
|
"all_existing",
|
|
"*fill_view",
|
|
]
|
|
|
|
|
|
#--------------------
|
|
def material():
|
|
#--------------------
|
|
cmds = [\
|
|
"*new_mater standard",
|
|
"*mater_option general:state:solid",
|
|
"*mater_option structural:type:hypo_elast",
|
|
"*mater_name",
|
|
"hypela2",
|
|
"*add_mater_elements",
|
|
"all_existing",
|
|
"*geometry_type mech_three_solid",
|
|
# "*geometry_option red_integ_capacity:on", # see below: reduced integration with one IP gave trouble being always OUTDATED...
|
|
"*add_geometry_elements",
|
|
"all_existing",
|
|
]
|
|
|
|
return cmds
|
|
|
|
|
|
#--------------------
|
|
def geometry():
|
|
#--------------------
|
|
cmds = [\
|
|
"*geometry_type mech_three_solid",
|
|
# "*geometry_option red_integ_capacity:on",
|
|
"*add_geometry_elements",
|
|
"all_existing",
|
|
"*element_type 7", # we are NOT using reduced integration (type 117) but opt for /elementhomogeneous/ in the respective phase description (material.config)
|
|
"all_existing",
|
|
]
|
|
|
|
return cmds
|
|
|
|
|
|
#--------------------
|
|
def initial_conditions(homogenization,grains):
|
|
#--------------------
|
|
elements = []
|
|
element = 0
|
|
for id in grains:
|
|
element += 1
|
|
if len(elements) < id:
|
|
for i in range(id-len(elements)):
|
|
elements.append([])
|
|
elements[id-1].append(element)
|
|
|
|
cmds = [\
|
|
"*new_icond",
|
|
"*icond_name _temperature",
|
|
"*icond_type state_variable",
|
|
"*icond_param_value state_var_id 1",
|
|
"*icond_dof_value var 300",
|
|
"*add_icond_elements",
|
|
"all_existing",
|
|
"*new_icond",
|
|
"*icond_name _homogenization",
|
|
"*icond_type state_variable",
|
|
"*icond_param_value state_var_id 2",
|
|
"*icond_dof_value var %i"%homogenization,
|
|
"*add_icond_elements",
|
|
"all_existing",
|
|
]
|
|
|
|
for grain,elementList in enumerate(elements):
|
|
cmds.append([\
|
|
"*new_icond",
|
|
"*icond_name microstructure_%i"%(grain+1),
|
|
"*icond_type state_variable",
|
|
"*icond_param_value state_var_id 3",
|
|
"*icond_dof_value var %i"%(grain+1),
|
|
"*add_icond_elements",
|
|
elementList,
|
|
"#",
|
|
])
|
|
return cmds
|
|
|
|
|
|
#--------------------
|
|
def parse_geomFile(content,homog):
|
|
#--------------------
|
|
(skip,key) = content[0].split()[:2]
|
|
if key[:4].lower() == 'head':
|
|
skip = int(skip)+1
|
|
else:
|
|
skip = 0
|
|
|
|
res = [0,0,0]
|
|
dim = [0.0,0.0,0.0]
|
|
homog = 0
|
|
|
|
for line in content[:skip]:
|
|
data = line.split()
|
|
if data[0].lower() == 'resolution':
|
|
res = map(int,data[2:8:2])
|
|
if data[0].lower() == 'dimension':
|
|
dim = map(float,data[2:8:2])
|
|
if data[0].lower() == 'homogenization':
|
|
homog = int(data[1])
|
|
|
|
grains = []
|
|
for line in content[skip:]:
|
|
grains.append(int(line.split()[0]))
|
|
|
|
return (res,dim,homog,grains)
|
|
|
|
#--------------------
|
|
def parse_spectralFile(content,homog):
|
|
#--------------------
|
|
|
|
coords = [{},{},{}]
|
|
maxBox = [-1.0e20,-1.0e20,-1.0e20]
|
|
minBox = [ 1.0e20, 1.0e20, 1.0e20]
|
|
dim = [0.0,0.0,0.0]
|
|
res = [0,0,0]
|
|
grains = []
|
|
|
|
for line in content:
|
|
data = line.split()[3:7]
|
|
grains.append(int(data[3]))
|
|
for i in range(3):
|
|
maxBox[i] = max(maxBox[i],float(data[i]))
|
|
minBox[i] = min(minBox[i],float(data[i]))
|
|
coords[i][data[i]] = True
|
|
|
|
for i in range(3):
|
|
res[i] = len(coords[i])
|
|
dim[i] = (maxBox[i]-minBox[i])*res[i]/(res[i]-1.0)
|
|
|
|
return (res,dim,homog,grains)
|
|
|
|
# ----------------------- MAIN -------------------------------
|
|
|
|
parser = OptionParser(usage='%prog [options] spectral.datafile', description = """
|
|
Generate FE hexahedral mesh from spectral description file.
|
|
|
|
Acceptable formats are
|
|
geom: header plus list of grain numbers or
|
|
spectral: phi1,Phi,phi2,x,y,z,id,phase.
|
|
|
|
""" + string.replace('$Id$','\n','\\n')
|
|
)
|
|
parser.add_option("-p", "--port", type="int",\
|
|
dest="port",\
|
|
help="Mentat connection port")
|
|
parser.add_option("-g", "--geom", action="store_const", const="geom",\
|
|
dest="filetype",\
|
|
help="file has 'geom' format")
|
|
parser.add_option("-s", "--spectral", action="store_const", const="spectral",\
|
|
dest="filetype",\
|
|
help="file has 'spectral' format")
|
|
|
|
parser.add_option("--homogenization", type="int",\
|
|
dest="homogenization",\
|
|
help="homogenization index from material.config (only required for spectral file type)")
|
|
|
|
|
|
parser.set_defaults(filetype = 'geom')
|
|
parser.set_defaults(homogenization = 1)
|
|
|
|
(options, args) = parser.parse_args()
|
|
|
|
|
|
sys.path.append(msc_tools.MSC_TOOLS().library_paths())
|
|
|
|
try:
|
|
from py_mentat import *
|
|
except:
|
|
print('no valid Mentat release found')
|
|
if options.port != None: sys.exit(-1)
|
|
|
|
if not os.path.isfile(args[0]):
|
|
parser.error("cannot open %s"%args[0])
|
|
|
|
file = open(args[0])
|
|
content = file.readlines()
|
|
file.close()
|
|
|
|
if options.filetype not in ['spectral','geom']:
|
|
options.filetype = os.path.splitext(args[0])[1][1:]
|
|
|
|
print '\nparsing %s...'%options.filetype,
|
|
sys.stdout.flush()
|
|
|
|
(res,dim,homog,grains) = {\
|
|
'geom': parse_geomFile,
|
|
'spectral': parse_spectralFile,
|
|
}[options.filetype](content,options.homogenization)
|
|
|
|
print '%i grains in %s with resolution %s and homogenization %i\n'%(len(list(set(grains))),str(dim),str(res),homog)
|
|
|
|
|
|
cmds = [\
|
|
init(),
|
|
mesh(res,dim),
|
|
material(),
|
|
geometry(),
|
|
initial_conditions(homog,grains),
|
|
'*identify_sets',
|
|
'*redraw',
|
|
]
|
|
|
|
outputLocals = {}
|
|
if (options.port != None):
|
|
py_connect('',options.port)
|
|
output(cmds,outputLocals,'Mentat')
|
|
py_disconnect()
|
|
else:
|
|
output(cmds,outputLocals,'Stdout')
|
|
|