182 lines
6.2 KiB
Python
Executable File
182 lines
6.2 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
import sys,os,pwd,math,re,string, damask
|
|
from optparse import OptionParser
|
|
|
|
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:])
|
|
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](cmd,locals)
|
|
return
|
|
|
|
|
|
|
|
def servoLink():
|
|
|
|
cmds = []
|
|
base = ['x','y','z']
|
|
box = {'min': {'x': float(sys.maxint),'y': float(sys.maxint),'z': float(sys.maxint)},
|
|
'max': {'x':-float(sys.maxint),'y':-float(sys.maxint),'z':-float(sys.maxint)},
|
|
'delta': {'x':0,'y':0,'z':0},
|
|
}
|
|
Nnodes = py_get_int("nnodes()")
|
|
NodeCoords = [{'x':py_get_float("node_x(%i)"%(node)),
|
|
'y':py_get_float("node_y(%i)"%(node)),
|
|
'z':py_get_float("node_z(%i)"%(node)),} for node in range(1,1+Nnodes)]
|
|
|
|
for node in range(Nnodes): # find the bounding box
|
|
for coord in base: # check each direction in turn
|
|
box['min'][coord] = min(box['min'][coord],NodeCoords[node][coord])
|
|
box['max'][coord] = max(box['max'][coord],NodeCoords[node][coord])
|
|
|
|
for coord in base: # calc the dimension of the bounding box
|
|
box['delta'][coord] = box['max'][coord] - box['min'][coord]
|
|
|
|
baseNode = {}
|
|
linkNodes = []
|
|
|
|
for node in range(Nnodes): # loop over all nodes
|
|
pos = {}
|
|
key = {}
|
|
maxFlag = {'x': False, 'y': False, 'z': False}
|
|
Nmax = 0
|
|
Nmin = 0
|
|
for coord in base: # for each direction
|
|
key[coord] = "%.8e"%NodeCoords[node][coord] # translate position to string
|
|
if (key[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[coord] == "%.8e"%box['max'][coord]): # compare to max of bounding box (i.e. is on outer face?)
|
|
Nmax += 1 # count outer (front) face memebership
|
|
maxFlag[coord] = True # remember face membership (for linked nodes)
|
|
|
|
if Nmin > 0 and Nmin > Nmax: # node is on more back than font 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']['x']]["%.8e"%box['min']['y']]["%.8e"%box['min']['z']] # 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 base: # 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({'x':box['min']['x'],'y':box['min']['y'],'z':box['min']['z'],}) # 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]['x']]["%.8e"%linkCoord[i]['y']]["%.8e"%linkCoord[i]['z']]),
|
|
"*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(usage='%prog [options]', description = """
|
|
Set up servo linking to achieve periodic boundary conditions for a regular hexahedral mesh presently opened in MSC.Mentat
|
|
|
|
""" + string.replace('$Id$','\n','\\n')
|
|
)
|
|
|
|
parser.add_option("-p", "--port", type="int",\
|
|
dest="port",\
|
|
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 = {}
|
|
print 'waiting to connect...'
|
|
py_connect('',options.port)
|
|
output([\
|
|
'*remove_all_servos',
|
|
'*sweep_all',
|
|
'*renumber_nodes',
|
|
'*set_links off',
|
|
],outputLocals,'Mentat') # script depends on consecutive numbering of nodes
|
|
cmds = servoLink()
|
|
print 'connected...'
|
|
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')
|