287 lines
8.9 KiB
Python
Executable File
287 lines
8.9 KiB
Python
Executable File
#!/usr/bin/env python
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# -*- coding: UTF-8 no BOM -*-
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import os, sys, string
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from optparse import OptionParser
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import damask
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scriptID = string.replace('$Id$','\n','\\n')
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scriptName = os.path.splitext(scriptID.split()[1])[0]
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#-------------------------------------------------------------------------------------------------
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def outMentat(cmd,locals):
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#-------------------------------------------------------------------------------------------------
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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_send(cmd)
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else:
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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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#-------------------------------------------------------------------------------------------------
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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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#-------------------------------------------------------------------------------------------------
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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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#-------------------------------------------------------------------------------------------------
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return [
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"#"+' '.join([scriptID] + sys.argv[1:]),
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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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#-------------------------------------------------------------------------------------------------
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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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#-------------------------------------------------------------------------------------------------
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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", # see below: 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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#-------------------------------------------------------------------------------------------------
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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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"*element_type 7", # we are NOT using reduced integration (type 117) but opt for /elementhomogeneous/ in the respective phase description (material.config)
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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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#-------------------------------------------------------------------------------------------------
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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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def parse_geomFile(content,homog):
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#-------------------------------------------------------------------------------------------------
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(skip,key) = content[0].split()[:2]
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if key[:4].lower() == 'head':
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skip = int(skip)+1
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else:
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skip = 0
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grid = [0,0,0]
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size = [0.0,0.0,0.0]
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homog = 0
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for line in content[:skip]:
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data = line.split()
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if data[0].lower() == 'grid':
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grid = map(int,data[2:8:2])
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if data[0].lower() == 'size':
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size = map(float,data[2:8:2])
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if data[0].lower() == 'homogenization':
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homog = int(data[1])
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microstructures = []
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for line in content[skip:]:
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for word in line.split():
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microstructures.append(int(word))
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return (grid,size,homog,microstructures)
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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 spectral description file.
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""", version = scriptID)
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parser.add_option('-p', '--port', type='int',dest='port',metavar='int',
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help='Mentat connection port [%default]')
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parser.add_option('--homogenization', dest='homogenization', type='int', metavar = 'int',
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help='homogenization index to be used [%default]')
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parser.set_defaults(port = None)
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parser.set_defaults(homogenization = 1)
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(options, filenames) = parser.parse_args()
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sys.path.append(damask.solver.Marc().libraryPath('../../'))
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try:
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from py_mentat import *
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except:
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print('no valid Mentat release found')
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if options.port != None: sys.exit(-1)
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#--- setup file handles --------------------------------------------------------------------------
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files = []
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if filenames == []:
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files.append({'name':'STDIN',
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'input':sys.stdin,
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'output':sys.stdout,
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'croak':sys.stderr,
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})
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else:
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for name in filenames:
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if os.path.exists(name):
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files.append({'name':name,
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'input':open(name),
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'output':open(name+'_tmp','w'),
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'croak':sys.stdout,
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})
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#--- loop over input files ------------------------------------------------------------------------
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for file in files:
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file['croak'].write('\033[1m' + scriptName + '\033[0m: ' + (file['name'] if file['name'] != 'STDIN' else '') + '\n')
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content = file['input'].readlines()
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(grid,size,homog,microstructures) = parse_geomFile(content, options.homogenization)
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#--- report ---------------------------------------------------------------------------------------
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file['croak'].write('grid a b c: %s\n'%(' x '.join(map(str,grid))) +
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'size x y z: %s\n'%(' x '.join(map(str,size))) +
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'homogenization: %i\n'%homog +
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'microstructures: %i\n\n'%(len(list(set(microstructures)))))
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cmds = [\
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init(),
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mesh(grid,size),
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material(),
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geometry(),
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initial_conditions(homog,microstructures),
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'*identify_sets',
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'*show_model',
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'*redraw',
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]
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outputLocals = {}
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if (options.port != None):
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py_connect('',options.port)
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output(cmds,outputLocals,'Mentat')
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py_disconnect()
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else:
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output(cmds,outputLocals,file['output'])
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if file['name'] != 'STDIN':
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file['output'].close()
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os.rename(file['name']+'_tmp',os.path.splitext(file['name'])[0] +'.proc')
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