def main():
logger.info("**********************************************************************************" + '\n')
logger.info("**********************************************************************************" + '\n')
logger.info("************************STARTING FEA MODEL-BASED v1.3.0***************************" + '\n')
logger.info("**********************************************************************************" + '\n')
logger.info("**********************************************************************************" + '\n')
logger.info("Initializing Abaqus/CAE" + '\n')
logger.info("**********************************************************************************" + '\n')
logger.info("**********************************************************************************" + '\n')
# take command line arguments
usage = "usage: abaqus cae script=CyPhy2AbaqusCmd.py -- [options]"
parser = OptionParser(usage=usage)
parser.add_option("-o","--meshOnly", default=False, action="store_true",
help="""disable assembly of faces from datum points and creation of loads and BCs
(necessary for META 13.13)""")
parser.add_option("-b","--meshAndBC", default=False, action="store_true",
help="Create mesh and generate loads/boundary conditions. Do not run analysis.")
parser.add_option("-s","--standard", default=False, action="store_true",
help="run a standard FEA analysis")
parser.add_option("-i","--dynamicImplicit", default=False, action="store_true",
help="run a dynamic implicit FEA analysis")
parser.add_option("-e","--dynamicExplicit", default=False, action="store_true",
help="run a dynamic explicit FEA analysis")
parser.add_option("-m","--modal", default=False, action="store_true",
help="run a modal analysis")
parser.add_option("-p","--parallelCores", default=1, type=int,
help="number of CPU cores to use in solver")
parser.add_option("-r","--ramAllocated", default=90, type=int,
help="integer amount of memory allocated to solver, defined in units memoryUnits")
parser.add_option("-u","--memoryUnits", default="PERCENTAGE",
choices=["PERCENTAGE","MEGA_BYTES","GIGA_BYTES"],
help="units of memory allocated to solver")
parser.add_option("-t","--separationTolerance", default=1E-3, type=float,
help="tolerance for separation between faces when creating tie constraints")
parser.add_option("-q","--errorIndicator", default="ENDENERI",
choices=["MISESERI","ENDENERI","CPRESSERI","CSHEARERI","PEEQUERI",
"PEERI","CEERI","HFLERI","EFLERI","EPGERI"],
help="""error indicator variable for adaptive meshing;
not all variables are supported yet
(see Section 4.1.4 of the Abaqus Analysis Manual)""")
parser.add_option("-v","--rigidParts", default=True, action="store_true",
help="use Rigid parts as specified in CADAssembly.xml")
if sys.argv[2] == '-noGUI':
(args,testBenchArg) = parser.parse_args(sys.argv[8:])
else:
(args,testBenchArg) = parser.parse_args(sys.argv[6:])
# Assign variable to the blank model produced at startup
myModel = mdb.models['Model-1']
myAsm = myModel.rootAssembly
# Determine if ADAMS analysis preceeded this FEA run
runAdams = check_for_adams(runAdams=False)
# Parse necessary information from the XML files
(xmlName, feaXML, cadAssemblyXML, metricSetXML, metricsSetXML,
metricsComponentSetXML, maxNumberIter, analysisConstraintSetXML, thermalSetXML) \
= parseCADAssemblyXML(args)
# TODO: this first check should only be temporary.
if maxNumberIter > 1 and any([args.dynamicImplicit, args.dynamicExplicit, runAdams]):
msg = "Adaptive remeshing requested with invalid analysis type. Currently " + \
"supported type is static/standard standalone FEA."
logger.error(msg)
raise Exception(msg)
if runAdams and args.dynamicImplicit or not runAdams and args.dynamicExplicit:
msg = "Invalid combination of dynamic analysis type and ADAMS analysis data. " + \
"Available options are Standalone FEA with Implicit Dynamics or " + \
"FEA with ADAMS load data with Explicit Dynamics."
logger.error(msg)
raise Exception(msg)
elif runAdams and args.meshAndBC or runAdams and args.modal:
msg = "ADAMS-to-Abaqus runs can not have the Abaqus analysis set to " + \
"MeshAndBoundaryConditions or Modal."
logger.error(msg)
raise Exception(msg)
if thermalSetXML and any([args.dynamicImplicit, args.dynamicExplicit, args.modal, runAdams]):
msg = "Coupled Thermal analysis currently only supported for standalone FEA static runs."
logger.error(msg)
raise Exception(msg)
# Parse STEP file for raw assembly data
(stepPath, testBenchName, step) = parseStep(cadAssemblyXML)
# Parse CADMetrics file for CreateAssembly program data
(xmlMetricsName, metricComponentsXML, metricComponentXML,
metricAssembliesXML, metricAssemblyXML,
metricCADComponentsXML, jointsXML) = parseCADAssemblyMetricsXML(runAdams)
# Determine unit length of CAD files
unitLength = getUnitLength(metricComponentsXML)
if runAdams:
# Parse kinematic computed values (ADAMS data)
(anchorID, anchorPointID) = parseKinComputedValuesXML()
# Calculate scale factor (with respect to meters)
(unitScale, unitShort) = calcGeoScaleFac(unitLength)
conv = generateConvDict(unitScale)
# Generate necessary general dictionaries
(instRef, instIndex, instAssemblyRef, instAssemblyIndex,
rigidPartMasses, rigidPartVolumes, rigidPartDensities,
rigidParts, rigidPartPresent, Jan24_deactivate_rigidity) \
= generateInstRef(metricComponentsXML, metricCADComponentsXML,
xmlMetricsName, jointsXML, xmlName, runAdams, args)
libraryManager = parseMaterialLibrary()
mtrlRef = generateMtrlRef(libraryManager, metricComponentsXML,
metricCADComponentsXML, thermalSetXML, rigidParts, unitScale, conv)
(metricRef, metricRef2, metricRef3, allAssembly) \
= generateMetricRef(metricSetXML, metricsComponentSetXML, instIndex)
if not runAdams:
(loadBCLib, accel) = generateLoadBCLib(analysisConstraintSetXML, feaXML, thermalSetXML, conv)
else:
(loadBCLib, accel) = ([],[])
superRef = generateSuperRef(instRef, instAssemblyRef, mtrlRef, metricRef, metricRef2, metricRef3,
instIndex, loadBCLib, unitLength, allAssembly)
# Process the data obtained from the step file
(pointsBySR, inst2SR, localTMs, localTVs, topLevelAsm, subAsms,
asmParts) = processStep(stepPath, testBenchName)
# Generate necessary geometric dictionaries
(localCoords, CGs) = generateLocalCoords(inst2SR, pointsBySR,
metricCADComponentsXML, metricComponentsXML)
logger.info("Creating a new dictionary with points translated into the global coordinate system" + '\n')
datumPointDict = coordTransform(localTMs,localTVs,topLevelAsm,
subAsms,asmParts,localCoords)
logger.info("**********************************************************************************" + '\n')
# Start building Abaqus model
createParts(myModel, step, CGs)
deleteInvalidParts(myModel)
# Define step - standard default
if thermalSetXML:
(myStep, amp, analysisStepName) = defineCoupledThermalDisplacementStep(myModel)
else:
if args.dynamicImplicit or args.dynamicExplicit:
(myStep, amp, analysisStepName) = defineDynamicStep(myModel, runAdams)
elif args.modal:
(myStep, amp, analysisStepName) = defineModalStep(myModel)
else:
(myStep, amp, analysisStepName) = defineStaticStep(myModel)
defineMaterials(myModel, mtrlRef)
if not runAdams:
assignSections(instRef, myModel, myAsm)
mergeAssemblyComponents(myAsm, instAssemblyRef, asmParts)
defineContactInteractions(myModel)
defineRigidBodyConstraints(instRef, Jan24_deactivate_rigidity,
instIndex, myAsm, myModel)
EliminateOverlaps(instRef, rigidParts, myAsm, myModel)
meshInstances(40.0, unitShort, instRef, instAssemblyRef, myAsm,
feaXML, metricComponentsXML, metricAssemblyXML, args)
if not args.meshOnly:
apply_loads_and_bcs(myModel, myAsm, myStep, instRef, loadBCLib, instIndex, instAssemblyIndex,
datumPointDict, accel, amp, args, Jan24_deactivate_rigidity, thermalSetXML)
if runAdams:
EliminateOverlaps(instRef, rigidParts, myAsm, myModel)
(includeAnchoredPart, anchoredPart) = decideAnchoredPart(jointsXML,
anchorID, anchorPointID, instRef, myModel)
AbaqusCAE_ADAMS(instRef, includeAnchoredPart, anchoredPart, myModel,
myAsm, 40.0, unitShort, jointsXML,
feaXML, metricComponentsXML, metricAssemblyXML,
args.parallelCores, args.ramAllocated, args, instAssemblyRef, asmParts)
else:
includeAnchoredPart, anchoredPart = None, None
logger.info("**********************************************************************************" + '\n')
if not runAdams:
if not args.meshOnly:
connectParts(myModel, myAsm, args)
try:
CreateLOADSBCPNG('PreProcessing', myAsm, analysisStepName, os.getcwd())
except:
logger.info('ERROR: Error during creating BC PNG files - Program will keep executing \n')
pass
checkConstraintErrors(myModel, args)
exportNastranDeck()
createCAE(os.getcwd(), testBenchName, args)
if not args.meshOnly and not args.meshAndBC:
jobName = runAbaqusDispatch(myModel, myAsm, superRef, analysisStepName, rigidPartPresent,
rigidParts, args, includeAnchoredPart, anchoredPart, maxNumberIter)
if not runAdams:
if args.dynamicImplicit or args.dynamicExplicit or args.standard:
afterJob(jobName, superRef, analysisStepName, runAdams, thermalSetXML)
elif args.modal:
afterJobModal(jobName,analysisStepName)
def main():
logger.info(
"**********************************************************************************"
+ '\n')
logger.info(
"**********************************************************************************"
+ '\n')
logger.info(
"************************* STARTING FEA MODEL-BASED ***************************"
+ '\n')
logger.info(
"**********************************************************************************"
+ '\n')
logger.info(
"**********************************************************************************"
+ '\n')
logger.info("Initializing Abaqus/CAE" + '\n')
logger.info(
"**********************************************************************************"
+ '\n')
logger.info(
"**********************************************************************************"
+ '\n')
# take command line arguments
usage = "usage: abaqus cae script=AbaqusMain.py -- [options]"
parser = OptionParser(usage=usage)
parser.add_option(
"-o",
"--meshOnly",
default=False,
action="store_true",
help="""disable assembly of faces from datum points and creation
of loads and BCs (necessary for META 13.13)""")
parser.add_option(
"-b",
"--meshAndBC",
default=False,
action="store_true",
help=
"Create mesh and generate loads/boundary conditions. Do not run analysis."
)
parser.add_option("-s",
"--standard",
default=False,
action="store_true",
help="run a standard FEA analysis")
parser.add_option("-i",
"--dynamicImplicit",
default=False,
action="store_true",
help="run a dynamic implicit FEA analysis")
parser.add_option("-e",
"--dynamicExplicit",
default=False,
action="store_true",
help="run a dynamic explicit FEA analysis")
parser.add_option("-m",
"--modal",
default=False,
action="store_true",
help="run a modal analysis")
parser.add_option("-p",
"--parallelCores",
default=1,
type=int,
help="number of CPU cores to use in solver")
parser.add_option(
"-r",
"--ramAllocated",
default=90,
type=int,
help=
"integer amount of memory allocated to solver, defined in units memoryUnits"
)
parser.add_option("-u",
"--memoryUnits",
default="PERCENTAGE",
choices=["PERCENTAGE", "MEGA_BYTES", "GIGA_BYTES"],
help="units of memory allocated to solver")
parser.add_option(
"-t",
"--separationTolerance",
default=1E-3,
type=float,
help=
"tolerance for separation between faces when creating tie constraints")
parser.add_option("-q",
"--errorIndicator",
default="ENDENERI",
choices=[
"MISESERI", "ENDENERI", "CPRESSERI", "CSHEARERI",
"PEEQUERI", "PEERI", "CEERI", "HFLERI", "EFLERI",
"EPGERI"
],
help="""error indicator variable for adaptive meshing;
not all variables are supported yet
(see Section 4.1.4 of the Abaqus Analysis Manual)""")
parser.add_option("-v",
"--rigidParts",
default=True,
action="store_true",
help="use Rigid parts as specified in CADAssembly.xml")
if sys.argv[2] == '-noGUI':
(args, testBenchArg) = parser.parse_args(sys.argv[8:])
else:
(args, testBenchArg) = parser.parse_args(sys.argv[6:])
# Initialize constants to be used throughout the analysis.
(cadAssemblyXML, cadMetricsXML, requestedMetricsXML, computedValuesXML, kinComputedValuesXML,
analysisMetaDataXML, testbench_manifest, postprocessingScript, resultsDir, solverDir,
stepDir, myModel, myAsm, uniqueSuffix, asmIdentifier, structuralOutputs, thermalOutputs) \
= initializeConstants()
# Determine if ADAMS analysis preceeded this FEA run
# Looks for dependency notifications in the testbench_manifest.json file.
runAdams = check_for_adams(False, testbench_manifest, kinComputedValuesXML,
computedValuesXML, cadMetricsXML, resultsDir,
solverDir)
# Parse necessary information from the XML files
(feaXML, cadAssemblyXMLTree, maxNumberIter, analysisConstraintSetXML, thermalSetXML) \
= parseCADAssemblyXML(cadAssemblyXML, resultsDir, args)
# TODO: remove runAdams constraint
if maxNumberIter > 1 and any(
[args.dynamicImplicit, args.dynamicExplicit, runAdams]):
cad_library.exitwitherror(
"Adaptive remeshing requested with invalid analysis type. Only static, "
"thermal, and coupled thermal/displacement analyses are supported. FEA "
"analyses launched from a ADAMS kinematic test bench are also currently "
"invalid. Please change your GME test bench settings.", 1,
'AbaqusMain.py')
elif runAdams and args.meshAndBC or runAdams and args.modal:
cad_library.exitwitherror(
"ADAMS-to-Abaqus runs can not have the Abaqus analysis set to "
"MeshAndBoundaryConditions or Modal.", 1, 'AbaqusMain.py')
if thermalSetXML and any([args.modal, runAdams]):
cad_library.exitwitherror(
"Coupled Thermal analysis not supported for modal or Adams-to-Abaqus"
"analyses.", 1, 'AbaqusMain.py')
# Parse STEP file for raw assembly data
(stepPath, testBenchName, step) = parseStep(cadAssemblyXMLTree, stepDir)
# Populate assembly information from CADAssembly_metrics.xml
asminfo = cad_library.AssemblyInfo()
asminfo.read_metrics_file(cadMetricsXML)
# Determine unit length of CAD files
unitLength = unit_utils.getUnitLength(asminfo)
if runAdams:
# Parse kinematic computed values (ADAMS data)
(anchorID,
anchorPointID) = parseKinComputedValuesXML(kinComputedValuesXML)
# Calculate scale factor (with respect to meters)
(unitScale, unitShort) = unit_utils.calcGeoScaleFac(unitLength)
# Create dictionary of all possibly used units throughout the analysis along with their conversion factors.
conv = unit_utils.generateConvDict(unitScale)
# Generate necessary general dictionaries
# These contain information parsed from the various input XML files.
# InstRef creates a dictionary entry for each component.
(instRef, instIndex, instAssemblyRef, instAssemblyIndex,
rigidPartMasses, rigidPartVolumes, rigidPartDensities,
rigidParts, rigidPartPresent, Jan24_deactivate_rigidity) = \
generateInstRef(asminfo, cadAssemblyXML, uniqueSuffix, asmIdentifier, runAdams, args)
# Generate a dictionary containing material properties for each component in the assembly.
mtrlRef = generateMtrlRef(asminfo, thermalSetXML, rigidParts,
rigidPartDensities, conv)
if not runAdams:
# If no Adams dependency is found, generate dictionary of loads and boundary conditions placed on each part.
(loadBCLib, accel) = generateLoadBCLib(analysisConstraintSetXML,
feaXML, thermalSetXML, conv,
asminfo)
else:
# If Adams dependency exists, loads are defined in the LOD files output from Adams. Boundary conditions
# are applied at a later point.
(loadBCLib, accel) = ([], [])
# Process the data obtained from the step file
(pointsBySR, inst2SR, localTMs, localTVs, topLevelAsm, subAsms,
asmParts) = processStep(stepPath, testBenchName, uniqueSuffix,
asmIdentifier)
# Generate necessary geometric dictionaries
(localCoords, CGs) = generateLocalCoords(inst2SR, pointsBySR, asminfo,
uniqueSuffix)
logger.info(
"Creating a new dictionary with points translated into the global coordinate system"
+ '\n')
datumPointDict = coordTransform(localTMs, localTVs, topLevelAsm, subAsms,
asmParts, localCoords)
logger.info(
"**********************************************************************************"
+ '\n')
# Directory where analysis output files and post-processing files will be written to.
if not os.path.exists(solverDir):
os.mkdir(solverDir)
os.chdir(solverDir)
# Start building Abaqus model
createParts(myModel, step, CGs)
deleteInvalidParts(myModel)
# Define step - standard 'static' default
if thermalSetXML:
if args.dynamicExplicit:
(myStep, amp, analysisStepName) = \
defineDynamicExplicitCoupledThermalDisplacementStep(myModel, structuralOutputs+thermalOutputs)
else:
(myStep, amp,
analysisStepName) = defineCoupledThermalDisplacementStep(
myModel, args.dynamicImplicit,
structuralOutputs + thermalOutputs)
else:
if args.dynamicImplicit or args.dynamicExplicit:
(myStep, amp,
analysisStepName) = defineDynamicStep(myModel,
args.dynamicExplicit,
structuralOutputs)
elif args.modal:
(myStep, amp, analysisStepName) = defineModalStep(myModel)
else:
(myStep, amp,
analysisStepName) = defineStaticStep(myModel, structuralOutputs)
# Assign materials to each component.
defineMaterials(myModel, mtrlRef)
if not runAdams:
assignSections(instRef, myModel, myAsm, subAsms, asmParts)
mergeAssemblyComponents(myModel, myAsm, instAssemblyRef, asmParts)
defineContactInteractions(myModel, args.dynamicExplicit)
defineRigidBodyConstraints(instRef, Jan24_deactivate_rigidity,
instIndex, myAsm, myModel)
EliminateOverlaps(instRef, rigidParts, myAsm, myModel)
apply_loads_and_bcs(myModel, myAsm, myStep, instRef, loadBCLib,
instIndex, instAssemblyIndex, datumPointDict,
accel, amp, args, Jan24_deactivate_rigidity,
thermalSetXML)
meshInstances(asminfo, 40.0, unitShort, instRef, instAssemblyRef,
myAsm, feaXML, args)
if runAdams:
EliminateOverlaps(instRef, rigidParts, myAsm, myModel)
(includeAnchoredPart,
anchoredPart) = decideAnchoredPart(anchorID, anchorPointID, instRef,
myModel)
AbaqusCAE_ADAMS(asminfo, instRef, includeAnchoredPart, anchoredPart,
myModel, myAsm, 40.0, unitShort, feaXML,
args.parallelCores, args.ramAllocated, args,
instAssemblyRef, asmParts)
else:
includeAnchoredPart, anchoredPart = None, None
logger.info(
"**********************************************************************************"
+ '\n')
if not runAdams:
if not args.meshOnly:
connectParts(myModel, myAsm, args)
try:
CreateLOADSBCPNG(myAsm, analysisStepName, solverDir)
except:
logger.info(
'ERROR: Error during creating BC PNG files - Program will keep executing \n'
)
pass
createCAE(solverDir, testBenchName, args)
checkConstraintErrors(myModel, args)
exportNastranDeck()
modifyMetaDataFile(os.path.join(solverDir, '..', analysisMetaDataXML),
asminfo, uniqueSuffix, asmIdentifier)
if not args.meshOnly and not args.meshAndBC:
jobName = runAbaqusDispatch(myModel, myAsm, instRef, analysisStepName,
rigidPartPresent, rigidParts, args,
includeAnchoredPart, anchoredPart,
maxNumberIter, postprocessingScript,
analysisMetaDataXML, requestedMetricsXML,
testbench_manifest)
if not runAdams:
if args.dynamicImplicit or args.dynamicExplicit or args.standard:
check = 0
# Adaptive runs can complete before the MaxNumberIterations,
# so multiple checks need to be done. Start with assuming it went to MaxNumberIter
if jobName.startswith("Adaptivity-1-iter"):
lastIterStr = jobName.replace("Adaptivity-1-iter", "")
lastIter = int(lastIterStr)
while lastIter > 0 and check == 0:
try:
AdaptiveJobName = "Adaptivity-1-iter" + str(lastIter)
odbAccess.openOdb(path=AdaptiveJobName + '.odb')
check = 1
jobName = AdaptiveJobName
except:
# Error thrown because file does not exist. If lastIter > 1, this means the analysis
# completed before the max number allowed. Decrease lastIter and try opening again.
logger.info(
'ERROR: Error in reading results of %s.\n' %
AdaptiveJobName)
lastIter -= 1
os.chdir(solverDir)
# Invoke post processing
# Spawn new Python process by calling the post-processing script along with necessary arguments.
os.system("abaqus cae noGUI=" + os.path.join(
cad_library.META_PATH, "bin", "CAD", postprocessingScript) +
" -- " + "-o " + jobName + ".odb " + "-p " + "..\\" +
analysisMetaDataXML + " -m " + "..\\..\\" +
requestedMetricsXML + " -j " + "..\\..\\" +
testbench_manifest)
elif args.modal:
# Modal analyses use a different, older post-processing method as the output ODB is analyzed different.
ABQ_CompletePostProcess.afterJobModal(jobName, analysisStepName)
def main():
logger.info("**********************************************************************************" + '\n')
logger.info("**********************************************************************************" + '\n')
logger.info("************************* STARTING FEA MODEL-BASED ***************************" + '\n')
logger.info("**********************************************************************************" + '\n')
logger.info("**********************************************************************************" + '\n')
logger.info("Initializing Abaqus/CAE" + '\n')
logger.info("**********************************************************************************" + '\n')
logger.info("**********************************************************************************" + '\n')
# take command line arguments
usage = "usage: abaqus cae script=AbaqusMain.py -- [options]"
parser = OptionParser(usage=usage)
parser.add_option("-o", "--meshOnly", default=False, action="store_true",
help="""disable assembly of faces from datum points and creation
of loads and BCs (necessary for META 13.13)""")
parser.add_option("-b", "--meshAndBC", default=False, action="store_true",
help="Create mesh and generate loads/boundary conditions. Do not run analysis.")
parser.add_option("-s", "--standard", default=False, action="store_true",
help="run a standard FEA analysis")
parser.add_option("-i", "--dynamicImplicit", default=False, action="store_true",
help="run a dynamic implicit FEA analysis")
parser.add_option("-e", "--dynamicExplicit", default=False, action="store_true",
help="run a dynamic explicit FEA analysis")
parser.add_option("-m", "--modal", default=False, action="store_true",
help="run a modal analysis")
parser.add_option("-p", "--parallelCores", default=1, type=int,
help="number of CPU cores to use in solver")
parser.add_option("-r", "--ramAllocated", default=90, type=int,
help="integer amount of memory allocated to solver, defined in units memoryUnits")
parser.add_option("-u", "--memoryUnits", default="PERCENTAGE",
choices=["PERCENTAGE", "MEGA_BYTES", "GIGA_BYTES"],
help="units of memory allocated to solver")
parser.add_option("-t", "--separationTolerance", default=1E-3, type=float,
help="tolerance for separation between faces when creating tie constraints")
parser.add_option("-q", "--errorIndicator", default="ENDENERI",
choices=["MISESERI", "ENDENERI", "CPRESSERI", "CSHEARERI", "PEEQUERI",
"PEERI", "CEERI", "HFLERI", "EFLERI", "EPGERI"],
help="""error indicator variable for adaptive meshing;
not all variables are supported yet
(see Section 4.1.4 of the Abaqus Analysis Manual)""")
parser.add_option("-v", "--rigidParts", default=True, action="store_true",
help="use Rigid parts as specified in CADAssembly.xml")
if sys.argv[2] == '-noGUI':
(args, testBenchArg) = parser.parse_args(sys.argv[8:])
else:
(args, testBenchArg) = parser.parse_args(sys.argv[6:])
# Initialize constants to be used throughout the analysis.
(cadAssemblyXML, cadMetricsXML, requestedMetricsXML, computedValuesXML, kinComputedValuesXML,
analysisMetaDataXML, testbench_manifest, postprocessingScript, resultsDir, solverDir,
stepDir, myModel, myAsm, uniqueSuffix, asmIdentifier, structuralOutputs, thermalOutputs) \
= initializeConstants()
# Determine if ADAMS analysis preceeded this FEA run
# Looks for dependency notifications in the testbench_manifest.json file.
runAdams = check_for_adams(False, testbench_manifest, kinComputedValuesXML,
computedValuesXML, cadMetricsXML, resultsDir, solverDir)
# Parse necessary information from the XML files
(feaXML, cadAssemblyXMLTree, maxNumberIter, analysisConstraintSetXML, thermalSetXML) \
= parseCADAssemblyXML(cadAssemblyXML, resultsDir, args)
# TODO: remove runAdams constraint
if maxNumberIter > 1 and any([args.dynamicImplicit, args.dynamicExplicit, runAdams]):
cad_library.exitwitherror("Adaptive remeshing requested with invalid analysis type. Only static, "
"thermal, and coupled thermal/displacement analyses are supported. FEA "
"analyses launched from a ADAMS kinematic test bench are also currently "
"invalid. Please change your GME test bench settings.", 1, 'AbaqusMain.py')
elif runAdams and args.meshAndBC or runAdams and args.modal:
cad_library.exitwitherror("ADAMS-to-Abaqus runs can not have the Abaqus analysis set to "
"MeshAndBoundaryConditions or Modal.", 1, 'AbaqusMain.py')
if thermalSetXML and any([args.modal, runAdams]):
cad_library.exitwitherror("Coupled Thermal analysis not supported for modal or Adams-to-Abaqus"
"analyses.", 1, 'AbaqusMain.py')
# Parse STEP file for raw assembly data
(stepPath, testBenchName, step) = parseStep(cadAssemblyXMLTree, stepDir)
# Populate assembly information from CADAssembly_metrics.xml
asminfo = cad_library.AssemblyInfo()
asminfo.read_metrics_file(cadMetricsXML)
# Determine unit length of CAD files
unitLength = unit_utils.getUnitLength(asminfo)
if runAdams:
# Parse kinematic computed values (ADAMS data)
(anchorID, anchorPointID) = parseKinComputedValuesXML(kinComputedValuesXML)
# Calculate scale factor (with respect to meters)
(unitScale, unitShort) = unit_utils.calcGeoScaleFac(unitLength)
# Create dictionary of all possibly used units throughout the analysis along with their conversion factors.
conv = unit_utils.generateConvDict(unitScale)
# Generate necessary general dictionaries
# These contain information parsed from the various input XML files.
# InstRef creates a dictionary entry for each component.
(instRef, instIndex, instAssemblyRef, instAssemblyIndex,
rigidPartMasses, rigidPartVolumes, rigidPartDensities,
rigidParts, rigidPartPresent, Jan24_deactivate_rigidity) = \
generateInstRef(asminfo, cadAssemblyXML, uniqueSuffix, asmIdentifier, runAdams, args)
# Generate a dictionary containing material properties for each component in the assembly.
mtrlRef = generateMtrlRef(asminfo, thermalSetXML, rigidParts, rigidPartDensities, conv)
if not runAdams:
# If no Adams dependency is found, generate dictionary of loads and boundary conditions placed on each part.
(loadBCLib, accel) = generateLoadBCLib(analysisConstraintSetXML, feaXML, thermalSetXML, conv, asminfo)
else:
# If Adams dependency exists, loads are defined in the LOD files output from Adams. Boundary conditions
# are applied at a later point.
(loadBCLib, accel) = ([], [])
# Process the data obtained from the step file
(pointsBySR, inst2SR, localTMs, localTVs, topLevelAsm, subAsms,
asmParts) = processStep(stepPath, testBenchName, uniqueSuffix, asmIdentifier)
# Generate necessary geometric dictionaries
(localCoords, CGs) = generateLocalCoords(inst2SR, pointsBySR, asminfo, uniqueSuffix)
logger.info("Creating a new dictionary with points translated into the global coordinate system" + '\n')
datumPointDict = coordTransform(localTMs, localTVs, topLevelAsm, subAsms, asmParts, localCoords)
logger.info("**********************************************************************************" + '\n')
# Directory where analysis output files and post-processing files will be written to.
if not os.path.exists(solverDir):
os.mkdir(solverDir)
os.chdir(solverDir)
# Start building Abaqus model
createParts(myModel, step, CGs)
deleteInvalidParts(myModel)
# Define step - standard 'static' default
if thermalSetXML:
if args.dynamicExplicit:
(myStep, amp, analysisStepName) = \
defineDynamicExplicitCoupledThermalDisplacementStep(myModel, structuralOutputs+thermalOutputs)
else:
(myStep, amp, analysisStepName) = defineCoupledThermalDisplacementStep(myModel, args.dynamicImplicit,
structuralOutputs+thermalOutputs)
else:
if args.dynamicImplicit or args.dynamicExplicit:
(myStep, amp, analysisStepName) = defineDynamicStep(myModel, args.dynamicExplicit, structuralOutputs)
elif args.modal:
(myStep, amp, analysisStepName) = defineModalStep(myModel)
else:
(myStep, amp, analysisStepName) = defineStaticStep(myModel, structuralOutputs)
# Assign materials to each component.
defineMaterials(myModel, mtrlRef)
if not runAdams:
assignSections(instRef, myModel, myAsm, subAsms, asmParts)
mergeAssemblyComponents(myModel, myAsm, instAssemblyRef, asmParts)
defineContactInteractions(myModel, args.dynamicExplicit)
defineRigidBodyConstraints(instRef, Jan24_deactivate_rigidity,
instIndex, myAsm, myModel)
EliminateOverlaps(instRef, rigidParts, myAsm, myModel)
apply_loads_and_bcs(myModel, myAsm, myStep, instRef, loadBCLib, instIndex, instAssemblyIndex,
datumPointDict, accel, amp, args, Jan24_deactivate_rigidity, thermalSetXML)
meshInstances(asminfo, 40.0, unitShort, instRef,
instAssemblyRef, myAsm, feaXML, args)
if runAdams:
EliminateOverlaps(instRef, rigidParts, myAsm, myModel)
(includeAnchoredPart, anchoredPart) = decideAnchoredPart(anchorID, anchorPointID, instRef, myModel)
AbaqusCAE_ADAMS(asminfo, instRef, includeAnchoredPart, anchoredPart, myModel,
myAsm, 40.0, unitShort, feaXML, args.parallelCores,
args.ramAllocated, args, instAssemblyRef, asmParts)
else:
includeAnchoredPart, anchoredPart = None, None
logger.info("**********************************************************************************" + '\n')
if not runAdams:
if not args.meshOnly:
connectParts(myModel, myAsm, args)
try:
CreateLOADSBCPNG(myAsm, analysisStepName, solverDir)
except:
logger.info('ERROR: Error during creating BC PNG files - Program will keep executing \n')
pass
createCAE(solverDir, testBenchName, args)
checkConstraintErrors(myModel, args)
exportNastranDeck()
modifyMetaDataFile(os.path.join(solverDir, '..', analysisMetaDataXML), asminfo, uniqueSuffix, asmIdentifier)
if not args.meshOnly and not args.meshAndBC:
jobName = runAbaqusDispatch(myModel, myAsm, instRef, analysisStepName, rigidPartPresent,
rigidParts, args, includeAnchoredPart, anchoredPart, maxNumberIter,
postprocessingScript, analysisMetaDataXML, requestedMetricsXML, testbench_manifest)
if not runAdams:
if args.dynamicImplicit or args.dynamicExplicit or args.standard:
check = 0
# Adaptive runs can complete before the MaxNumberIterations,
# so multiple checks need to be done. Start with assuming it went to MaxNumberIter
if jobName.startswith("Adaptivity-1-iter"):
lastIterStr = jobName.replace("Adaptivity-1-iter", "")
lastIter = int(lastIterStr)
while lastIter > 0 and check == 0:
try:
AdaptiveJobName = "Adaptivity-1-iter" + str(lastIter)
odbAccess.openOdb(path=AdaptiveJobName + '.odb')
check = 1
jobName = AdaptiveJobName
except:
# Error thrown because file does not exist. If lastIter > 1, this means the analysis
# completed before the max number allowed. Decrease lastIter and try opening again.
logger.info('ERROR: Error in reading results of %s.\n' % AdaptiveJobName)
lastIter -= 1
os.chdir(solverDir)
# Invoke post processing
# Spawn new Python process by calling the post-processing script along with necessary arguments.
os.system("abaqus cae noGUI=" + os.path.join(cad_library.META_PATH, "bin", "CAD", postprocessingScript) +
" -- " + "-o " + jobName + ".odb " + "-p " + "..\\" + analysisMetaDataXML + " -m " +
"..\\..\\" + requestedMetricsXML + " -j " + "..\\..\\" + testbench_manifest)
elif args.modal:
# Modal analyses use a different, older post-processing method as the output ODB is analyzed different.
ABQ_CompletePostProcess.afterJobModal(jobName, analysisStepName)
