202 lines
7.6 KiB
Python
Executable File
202 lines
7.6 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -*- coding: UTF-8 no BOM -*-
|
|
|
|
import sys,os,pwd,math,string
|
|
import numpy as np
|
|
from optparse import OptionParser
|
|
import damask
|
|
|
|
scriptID = string.replace('$Id$','\n','\\n')
|
|
scriptName = os.path.splitext(scriptID.split()[1])[0]
|
|
|
|
sys.path.append(damask.solver.Marc().libraryPath('../../'))
|
|
|
|
try:
|
|
from py_mentat import *
|
|
except:
|
|
print('error: no valid Mentat release found')
|
|
sys.exit(-1)
|
|
|
|
|
|
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:])
|
|
sys.stdout.write(cmd+'\n')
|
|
else:
|
|
sys.stdout.write(cmd+'\n')
|
|
return
|
|
|
|
|
|
def output(cmds,locals,dest):
|
|
for cmd in cmds:
|
|
if isinstance(cmd,list):
|
|
output(cmd,locals,dest)
|
|
else:
|
|
{\
|
|
'Mentat': outMentat,\
|
|
'Stdout': outStdout,\
|
|
}[dest](cmd,locals)
|
|
return
|
|
|
|
|
|
|
|
def servoLink():
|
|
|
|
cmds = []
|
|
base = ['x','y','z']
|
|
box = {'min': np.zeros(3,dtype='d'),
|
|
'max': np.zeros(3,dtype='d'),
|
|
'delta': np.zeros(3,dtype='d'),
|
|
}
|
|
Nnodes = py_get_int("nnodes()")
|
|
NodeCoords = np.zeros((Nnodes,3),dtype='d')
|
|
for node in xrange(Nnodes):
|
|
NodeCoords[node,0] = py_get_float("node_x(%i)"%(node+1))
|
|
NodeCoords[node,1] = py_get_float("node_y(%i)"%(node+1))
|
|
NodeCoords[node,2] = py_get_float("node_z(%i)"%(node+1))
|
|
|
|
box['min'] = NodeCoords.min(axis=0) # find the bounding box
|
|
box['max'] = NodeCoords.max(axis=0)
|
|
box['delta'] = box['max']-box['min']
|
|
for coord in xrange(3): # calc the dimension of the bounding box
|
|
if box['delta'][coord] != 0.0:
|
|
for extremum in ['min','max']:
|
|
rounded = round(box[extremum][coord]*1e+15/box['delta'][coord]) * \
|
|
1e-15*box['delta'][coord] # rounding to 1e-15 of dimension
|
|
box[extremum][coord] = {False: rounded,
|
|
True: 0.0}[rounded == 0.0] # get rid of -0.0 (negative zeros)
|
|
baseNode = {}
|
|
linkNodes = []
|
|
|
|
for node in xrange(Nnodes): # loop over all nodes
|
|
pos = {}
|
|
key = {}
|
|
maxFlag = [False, False, False]
|
|
Nmax = 0
|
|
Nmin = 0
|
|
for coord in xrange(3): # for each direction
|
|
if box['delta'][coord] != 0.0:
|
|
rounded = round(NodeCoords[node,coord]*1e+15/box['delta'][coord]) * \
|
|
1e-15*box['delta'][coord] # rounding to 1e-15 of dimension
|
|
NodeCoords[node,coord] = {False: rounded,
|
|
True: 0.0}[rounded == 0.0] # get rid of -0.0 (negative zeros)
|
|
key[base[coord]] = "%.8e"%NodeCoords[node,coord] # translate position to string
|
|
if (key[base[coord]] == "%.8e"%box['min'][coord]): # compare to min of bounding box (i.e. is on outer face?)
|
|
Nmin += 1 # count outer (back) face membership
|
|
elif (key[base[coord]] == "%.8e"%box['max'][coord]): # compare to max of bounding box (i.e. is on outer face?)
|
|
Nmax += 1 # count outer (front) face membership
|
|
maxFlag[coord] = True # remember face membership (for linked nodes)
|
|
|
|
if Nmin > 0 and Nmin > Nmax: # node is on more back than front faces
|
|
# prepare for any non-existing entries in the data structure
|
|
if key['x'] not in baseNode.keys():
|
|
baseNode[key['x']] = {}
|
|
if key['y'] not in baseNode[key['x']].keys():
|
|
baseNode[key['x']][key['y']] = {}
|
|
if key['z'] not in baseNode[key['x']][key['y']].keys():
|
|
baseNode[key['x']][key['y']][key['z']] = 0
|
|
|
|
baseNode[key['x']][key['y']][key['z']] = node+1 # remember the base node id
|
|
|
|
elif Nmax > 0 and Nmax >= Nmin: # node is on at least as many front than back faces
|
|
linkNodes.append({'id': node+1,'coord': NodeCoords[node], 'onFaces': Nmax,'faceMember': maxFlag})
|
|
|
|
|
|
baseCorner = baseNode["%.8e"%box['min'][0]]["%.8e"%box['min'][1]]["%.8e"%box['min'][2]] # detect ultimate base node
|
|
|
|
|
|
for node in linkNodes: # loop over all linked nodes
|
|
linkCoord = [node['coord']] # start list of control node coords with my coords
|
|
for dir in xrange(3): # check for each direction
|
|
if node['faceMember'][dir]: # me on this front face
|
|
linkCoord[0][dir] = box['min'][dir] # project me onto rear face along dir
|
|
linkCoord.append(np.array(box['min'])) # append base corner
|
|
|
|
linkCoord[-1][dir] = box['max'][dir] # stretch it to corresponding control leg of "dir"
|
|
|
|
nLinks = len(linkCoord)
|
|
|
|
for dof in [1,2,3]:
|
|
cmds.append([
|
|
"*new_link *link_class servo",
|
|
"*link_class servo *tied_node %i"%node['id'],
|
|
"*link_class servo *tied_dof %i"%dof,
|
|
"*servo_nterms %i"%(1+nLinks),
|
|
])
|
|
for i in range(nLinks):
|
|
cmds.append([
|
|
"*link_class servo *servo_ret_node %i %i"%(i+1,baseNode["%.8e"%linkCoord[i][0]]["%.8e"%linkCoord[i][1]]["%.8e"%linkCoord[i][2]]),
|
|
"*link_class servo *servo_ret_dof %i %i"%(i+1,dof),
|
|
"*link_class servo *servo_ret_coef %i 1"%(i+1),
|
|
])
|
|
cmds.append([
|
|
"*link_class servo *servo_ret_node %i %i"%(1+nLinks,baseCorner),
|
|
"*link_class servo *servo_ret_dof %i %i"%(1+nLinks,dof),
|
|
"*link_class servo *servo_ret_coef %i -%i"%(1+nLinks,nLinks-1),
|
|
])
|
|
|
|
cmds.append([
|
|
"*select_nodes",
|
|
["%i"%node['id'] for node in linkNodes],
|
|
"#",
|
|
])
|
|
|
|
return cmds
|
|
|
|
#--------------------------------------------------------------------------------------------------
|
|
# MAIN
|
|
#--------------------------------------------------------------------------------------------------
|
|
parser = OptionParser(option_class=damask.extendableOption, usage = '%prog [options]', description = """
|
|
Set up servo linking to achieve periodic boundary conditions for a regular hexahedral mesh presently opened in MSC.Mentat
|
|
|
|
""", version = scriptID)
|
|
|
|
parser.add_option("-p", "--port", type="int", dest="port", metavar='int',
|
|
help="Mentat connection port [%default]")
|
|
parser.add_option("-v", "--verbose", action="store_true", dest="verbose",
|
|
help="write Mentat command stream also to stdout [%default]")
|
|
parser.set_defaults(port = 40007)
|
|
parser.set_defaults(verbose = False)
|
|
|
|
(options, args) = parser.parse_args()
|
|
|
|
outputLocals = {}
|
|
if options.verbose:
|
|
file={'croak':sys.stderr}
|
|
else:
|
|
file={'croak':sys.stdout}
|
|
|
|
file['croak'].write('\033[1m'+scriptName+'\033[0m\n\n')
|
|
file['croak'].write( 'waiting to connect...\n')
|
|
py_connect('',options.port)
|
|
file['croak'].write('connected...\n')
|
|
output([\
|
|
'*draw_manual', # prevent redrawing in "new" Mentat, should be much faster
|
|
'*remove_all_servos',
|
|
'*sweep_all',
|
|
'*renumber_nodes',
|
|
'*set_links off',
|
|
],outputLocals,'Mentat') # script depends on consecutive numbering of nodes
|
|
cmds = servoLink()
|
|
output(cmds,outputLocals,'Mentat')
|
|
output([\
|
|
'*set_links on',
|
|
'*draw',
|
|
],outputLocals,'Mentat') # script depends on consecutive numbering of nodes
|
|
py_disconnect()
|
|
|
|
if options.verbose:
|
|
output(cmds,outputLocals,'Stdout')
|