262 lines
7.6 KiB
Python
Executable File
262 lines
7.6 KiB
Python
Executable File
#!/usr/bin/env python2.7
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# -*- coding: UTF-8 no BOM -*-
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import os,sys
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import numpy as np
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from optparse import OptionParser
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import damask
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scriptName = os.path.splitext(os.path.basename(__file__))[0]
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scriptID = ' '.join([scriptName,damask.version])
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sys.path.append(damask.solver.Marc().libraryPath())
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#-------------------------------------------------------------------------------------------------
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def outMentat(cmd,locals):
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if cmd[0:3] == '(!)':
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exec(cmd[3:])
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elif cmd[0:3] == '(?)':
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cmd = eval(cmd[3:])
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py_mentat.py_send(cmd)
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else:
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py_mentat.py_send(cmd)
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return
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#-------------------------------------------------------------------------------------------------
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def outFile(cmd,locals,dest):
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if cmd[0:3] == '(!)':
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exec(cmd[3:])
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elif cmd[0:3] == '(?)':
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cmd = eval(cmd[3:])
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dest.write(cmd+'\n')
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else:
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dest.write(cmd+'\n')
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return
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#-------------------------------------------------------------------------------------------------
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def output(cmds,locals,dest):
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for cmd in cmds:
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if isinstance(cmd,list):
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output(cmd,locals,dest)
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else:
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if dest == 'Mentat':
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outMentat(str(cmd),locals)
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else:
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outFile(str(cmd),locals,dest)
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return
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#-------------------------------------------------------------------------------------------------
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def init():
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return [
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"#"+' '.join([scriptID] + sys.argv[1:]),
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"*draw_manual", # prevent redrawing in Mentat, should be much faster
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"*new_model yes",
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"*reset",
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"*select_clear",
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"*set_element_class hex8",
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"*set_nodes off",
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"*elements_solid",
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"*show_view 4",
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"*reset_view",
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"*view_perspective",
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"*redraw",
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]
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#-------------------------------------------------------------------------------------------------
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def mesh(r,d):
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return [
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"*add_nodes",
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"%f %f %f"%(0.0,0.0,0.0),
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"%f %f %f"%(0.0,0.0,d[2]),
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"%f %f %f"%(0.0,d[1],d[2]),
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"%f %f %f"%(0.0,d[1],0.0),
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"%f %f %f"%(-d[0],0.0,0.0),
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"%f %f %f"%(-d[0],0.0,d[2]),
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"%f %f %f"%(-d[0],d[1],d[2]),
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"%f %f %f"%(-d[0],d[1],0.0),
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"*add_elements",
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range(1,9),
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"*sub_divisions",
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"%i %i %i"%(r[2],r[1],r[0]),
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"*subdivide_elements",
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"all_existing",
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"*set_sweep_tolerance",
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"%f"%(float(min(d))/max(r)/2.0),
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"*sweep_all",
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"*renumber_all",
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"*set_move_scale_factor x -1",
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"*move_elements",
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"all_existing",
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"*flip_elements",
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"all_existing",
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"*fill_view",
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]
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#-------------------------------------------------------------------------------------------------
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def material():
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cmds = [\
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"*new_mater standard",
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"*mater_option general:state:solid",
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"*mater_option structural:type:hypo_elast",
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"*mater_name",
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"hypela2",
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"*add_mater_elements",
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"all_existing",
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"*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...
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"*add_geometry_elements",
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"all_existing",
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]
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return cmds
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#-------------------------------------------------------------------------------------------------
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def geometry():
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cmds = [\
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"*geometry_type mech_three_solid",
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# "*geometry_option red_integ_capacity:on",
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"*add_geometry_elements",
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"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)
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"*element_type 7",
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"all_existing",
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]
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return cmds
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#-------------------------------------------------------------------------------------------------
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def initial_conditions(homogenization,microstructures):
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elements = []
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element = 0
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for id in microstructures:
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element += 1
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if len(elements) < id:
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for i in range(id-len(elements)):
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elements.append([])
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elements[id-1].append(element)
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cmds = [\
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"*new_icond",
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"*icond_name _temperature",
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"*icond_type state_variable",
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"*icond_param_value state_var_id 1",
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"*icond_dof_value var 300",
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"*add_icond_elements",
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"all_existing",
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"*new_icond",
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"*icond_name _homogenization",
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"*icond_type state_variable",
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"*icond_param_value state_var_id 2",
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"*icond_dof_value var %i"%homogenization,
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"*add_icond_elements",
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"all_existing",
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]
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for grain,elementList in enumerate(elements):
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cmds.append([\
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"*new_icond",
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"*icond_name microstructure_%i"%(grain+1),
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"*icond_type state_variable",
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"*icond_param_value state_var_id 3",
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"*icond_dof_value var %i"%(grain+1),
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"*add_icond_elements",
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elementList,
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"#",
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])
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return cmds
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#--------------------------------------------------------------------------------------------------
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# MAIN
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#--------------------------------------------------------------------------------------------------
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parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
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Generate MSC.Marc FE hexahedral mesh from geom file.
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""", version = scriptID)
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parser.add_option('-p', '--port',
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dest = 'port',
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type = 'int', metavar = 'int',
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help = 'Mentat connection port [%default]')
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parser.add_option('--homogenization',
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dest = 'homogenization',
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type = 'int', metavar = 'int',
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help = 'homogenization index to be used [auto]')
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parser.set_defaults(port = None,
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homogenization = None,
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)
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(options, filenames) = parser.parse_args()
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if options.port:
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try:
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import py_mentat
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except:
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parser.error('no valid Mentat release found.')
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# --- loop over input files -------------------------------------------------------------------------
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if filenames == []: filenames = [None]
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for name in filenames:
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try:
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table = damask.ASCIItable(name = name,
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outname = os.path.splitext(name)[0]+'.proc' if name else name,
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buffered = False, labeled = False)
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except: continue
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damask.util.report(scriptName,name)
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# --- interpret header ----------------------------------------------------------------------------
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table.head_read()
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info,extra_header = table.head_getGeom()
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if options.homogenization: info['homogenization'] = options.homogenization
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damask.util.croak(['grid a b c: %s'%(' x '.join(map(str,info['grid']))),
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'size x y z: %s'%(' x '.join(map(str,info['size']))),
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'origin x y z: %s'%(' : '.join(map(str,info['origin']))),
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'homogenization: %i'%info['homogenization'],
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'microstructures: %i'%info['microstructures'],
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])
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errors = []
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if np.any(info['grid'] < 1): errors.append('invalid grid a b c.')
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if np.any(info['size'] <= 0.0): errors.append('invalid size x y z.')
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if errors != []:
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damask.util.croak(errors)
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table.close(dismiss = True)
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continue
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# --- read data ------------------------------------------------------------------------------------
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microstructure = table.microstructure_read(info['grid']).reshape(info['grid'].prod(),order='F') # read microstructure
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cmds = [\
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init(),
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mesh(info['grid'],info['size']),
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material(),
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geometry(),
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initial_conditions(info['homogenization'],microstructure),
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'*identify_sets',
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'*show_model',
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'*redraw',
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'*draw_automatic',
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]
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outputLocals = {}
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if options.port:
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py_mentat.py_connect('',options.port)
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output(cmds,outputLocals,'Mentat')
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py_mentat.py_disconnect()
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else:
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output(cmds,outputLocals,table.__IO__['out']) # bad hack into internals of table class...
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table.close()
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