DAMASK_EICMD/processing/pre/mentat_spectralBox.py

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#!/usr/bin/env python3
# -*- coding: UTF-8 no BOM -*-
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import os,sys
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import numpy as np
from optparse import OptionParser
import damask
scriptName = os.path.splitext(os.path.basename(__file__))[0]
scriptID = ' '.join([scriptName,damask.version])
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sys.path.append(damask.solver.Marc().libraryPath())
#-------------------------------------------------------------------------------------------------
def outMentat(cmd,locals):
if cmd[0:3] == '(!)':
exec(cmd[3:])
elif cmd[0:3] == '(?)':
cmd = eval(cmd[3:])
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py_mentat.py_send(cmd)
else:
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py_mentat.py_send(cmd)
return
#-------------------------------------------------------------------------------------------------
def outFile(cmd,locals,dest):
if cmd[0:3] == '(!)':
exec(cmd[3:])
elif cmd[0:3] == '(?)':
cmd = eval(cmd[3:])
dest.write(cmd+'\n')
else:
dest.write(cmd+'\n')
return
#-------------------------------------------------------------------------------------------------
def output(cmds,locals,dest):
for cmd in cmds:
if isinstance(cmd,list):
output(cmd,locals,dest)
else:
if dest == 'Mentat':
outMentat(str(cmd),locals)
else:
outFile(str(cmd),locals,dest)
return
#-------------------------------------------------------------------------------------------------
def init():
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return [
"#"+' '.join([scriptID] + sys.argv[1:]),
"*draw_manual", # prevent redrawing in Mentat, should be much faster
"*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",
"1",
"2",
"3",
"4",
"5",
"6",
"7",
"8",
"*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",
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"*mater_option structural:type:hypo_elast",
"*mater_name",
"hypela2",
"*add_mater_elements",
"all_existing",
"*geometry_type mech_three_solid",
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# "*geometry_option red_integ_capacity:on", 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",
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# we are NOT using reduced integration (type 117) but opt for /elementhomogeneous/ in the respective phase description (material.config)
"*element_type 7",
"all_existing",
]
return cmds
#-------------------------------------------------------------------------------------------------
def initial_conditions(homogenization,microstructures):
elements = []
element = 0
for id in microstructures:
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
#--------------------------------------------------------------------------------------------------
# MAIN
#--------------------------------------------------------------------------------------------------
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
Generate MSC.Marc FE hexahedral mesh from geom file.
""", version = scriptID)
parser.add_option('-p', '--port',
dest = 'port',
type = 'int', metavar = 'int',
help = 'Mentat connection port [%default]')
parser.add_option('--homogenization',
dest = 'homogenization',
type = 'int', metavar = 'int',
help = 'homogenization index to be used [auto]')
parser.set_defaults(port = None,
homogenization = None,
)
(options, filenames) = parser.parse_args()
if options.port:
try:
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import py_mentat
except:
parser.error('no valid Mentat release found.')
# --- loop over input files ------------------------------------------------------------------------
if filenames == []: filenames = [None]
for name in filenames:
try:
table = damask.ASCIItable(name = name,
outname = os.path.splitext(name)[0]+'.proc' if name else name,
buffered = False, labeled = False)
except: continue
damask.util.report(scriptName,name)
# --- interpret header ----------------------------------------------------------------------------
table.head_read()
info,extra_header = table.head_getGeom()
if options.homogenization: info['homogenization'] = options.homogenization
damask.util.croak(['grid a b c: %s'%(' x '.join(map(str,info['grid']))),
'size x y z: %s'%(' x '.join(map(str,info['size']))),
'origin x y z: %s'%(' : '.join(map(str,info['origin']))),
'homogenization: %i'%info['homogenization'],
'microstructures: %i'%info['microstructures'],
])
errors = []
if np.any(info['grid'] < 1): errors.append('invalid grid a b c.')
if np.any(info['size'] <= 0.0): errors.append('invalid size x y z.')
if errors != []:
damask.util.croak(errors)
table.close(dismiss = True)
continue
# --- read data ------------------------------------------------------------------------------------
microstructure = table.microstructure_read(info['grid']).reshape(info['grid'].prod(),order='F') # read microstructure
cmds = [\
init(),
mesh(info['grid'],info['size']),
material(),
geometry(),
initial_conditions(info['homogenization'],microstructure),
'*identify_sets',
'*show_model',
'*redraw',
'*draw_automatic',
]
outputLocals = {}
if options.port:
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py_mentat.py_connect('',options.port)
output(cmds,outputLocals,'Mentat')
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py_mentat.py_disconnect()
else:
output(cmds,outputLocals,table.__IO__['out']) # bad hack into internals of table class...
table.close()