def runCart(self, cart_mesh):
cart_mesh.error = False
QApplication.setOverrideCursor(Qt.WaitCursor)
try:
tmpdir = tempfile.gettempdir()
meshCaseDir = os.path.join(tmpdir, 'meshCase')
cmd = CfdTools.makeRunCommand('./Allmesh',
meshCaseDir,
source_env=False)
FreeCAD.Console.PrintMessage("Executing: " + ' '.join(cmd) + "\n")
env = QtCore.QProcessEnvironment.systemEnvironment()
env_vars = CfdTools.getRunEnvironment()
for key in env_vars:
env.insert(key, env_vars[key])
self.mesh_process.setProcessEnvironment(env)
self.mesh_process.start(cmd[0], cmd[1:])
if self.mesh_process.waitForStarted():
self.form.pb_run_mesh.setEnabled(
False) # Prevent user running a second instance
self.form.pb_stop_mesh.setEnabled(True)
self.form.pb_paraview.setEnabled(False)
else:
self.console_log("Error starting meshing process", "#FF0000")
cart_mesh.error = True
finally:
QApplication.restoreOverrideCursor()
def runMesh(self):
self.Start = time.time()
self.Timer.start()
cart_mesh = self.cart_mesh
try:
QApplication.setOverrideCursor(Qt.WaitCursor)
self.consoleMessage("Running {} ...".format(
self.mesh_obj.MeshUtility))
cart_mesh.error = False
cmd = CfdTools.makeRunCommand('./Allmesh',
cart_mesh.meshCaseDir,
source_env=False)
FreeCAD.Console.PrintMessage("Executing: " + ' '.join(cmd) + "\n")
env_vars = CfdTools.getRunEnvironment()
self.mesh_process.start(cmd, env_vars=env_vars)
if self.mesh_process.waitForStarted():
self.form.pb_run_mesh.setEnabled(
False) # Prevent user running a second instance
self.form.pb_stop_mesh.setEnabled(True)
self.form.pb_paraview.setEnabled(False)
self.form.pb_load_mesh.setEnabled(False)
self.consoleMessage("Mesher started")
else:
self.consoleMessage("Error starting meshing process",
"#FF0000")
cart_mesh.error = True
except Exception as ex:
self.consoleMessage("Error: " + str(ex), '#FF0000')
raise
finally:
QApplication.restoreOverrideCursor()
def get_solver_cmd(self, case_dir):
self.initResiduals()
self.residualPlot = ResidualPlot()
# Environment is sourced in run script, so no need to include in run command
cmd = CfdTools.makeRunCommand('./Allrun', case_dir, source_env=False)
FreeCAD.Console.PrintMessage("Solver run command: " + ' '.join(cmd) + "\n")
return cmd
def get_solver_cmd(self, case_dir):
self.UxResiduals = [1]
self.UyResiduals = [1]
self.UzResiduals = [1]
self.pResiduals = [1]
self.niter = 0
self.print_next_error_lines = 0
self.print_next_error_file = False
self.residualPlot = ResidualPlot()
# Environment is sourced in run script, so no need to include in run command
cmd = CfdTools.makeRunCommand('./Allrun', case_dir, source_env=False)
FreeCAD.Console.PrintMessage("Solver run command: " + ' '.join(cmd) + "\n")
return cmd
def runCart(self, cart_mesh):
cart_mesh.error = False
cmd = CfdTools.makeRunCommand('./Allmesh',
cart_mesh.meshCaseDir,
source_env=False)
FreeCAD.Console.PrintMessage("Executing: " + ' '.join(cmd) + "\n")
env_vars = CfdTools.getRunEnvironment()
QApplication.setOverrideCursor(Qt.WaitCursor)
self.mesh_process.start(cmd, env_vars=env_vars)
if self.mesh_process.waitForStarted():
self.form.pb_run_mesh.setEnabled(
False) # Prevent user running a second instance
self.form.pb_stop_mesh.setEnabled(True)
self.form.pb_paraview.setEnabled(False)
self.form.pb_load_mesh.setEnabled(False)
self.consoleMessage("Mesher started")
else:
self.consoleMessage("Error starting meshing process", "#FF0000")
cart_mesh.error = True
QApplication.restoreOverrideCursor()
def runCart(self, cart_mesh):
cart_mesh.error = False
cmd = CfdTools.makeRunCommand('./Allmesh',
cart_mesh.meshCaseDir,
source_env=False)
FreeCAD.Console.PrintMessage("Executing: " + ' '.join(cmd) + "\n")
env = QtCore.QProcessEnvironment.systemEnvironment()
env_vars = CfdTools.getRunEnvironment()
for key in env_vars:
env.insert(key, env_vars[key])
self.mesh_process.setProcessEnvironment(env)
self.mesh_process.start(cmd[0], cmd[1:])
if self.mesh_process.waitForStarted():
self.form.pb_run_mesh.setEnabled(
False) # Prevent user running a second instance
self.form.pb_stop_mesh.setEnabled(True)
self.form.pb_paraview.setEnabled(False)
self.form.pb_load_mesh.setEnabled(False)
else:
self.console_log("Error starting meshing process", "#FF0000")
cart_mesh.error = True
def get_solver_cmd(self, case_dir):
self.UxResiduals = [1]
self.UyResiduals = [1]
self.UzResiduals = [1]
self.pResiduals = [1]
self.niter = 0
self.print_next_error_lines = 0
self.print_next_error_file = False
self.g('set style data lines')
self.g.title("Simulation residuals")
self.g.xlabel("Iteration")
self.g.ylabel("Residual")
self.g("set grid")
self.g("set logscale y")
self.g("set yrange [0.95:1.05]")
self.g("set xrange [0:1]")
# Environment is sourced in run script, so no need to include in run command
cmd = CfdTools.makeRunCommand('./Allrun', case_dir, source_env=False)
FreeCAD.Console.PrintMessage("Solver run command: " + ' '.join(cmd) +
"\n")
return cmd
def convertMesh(self):
import tempfile
import CfdCaseWriterFoam
import CfdCartTools
import TemplateBuilder
import os
if not (self.meshConverted):
self.Start = time.time()
self.Timer.start()
self.console_log("Starting 3D to 2D mesh conversion ...")
self.frontFaceName = self.form.comboBoxFront.currentText()
self.backFaceName = self.form.comboBoxBack.currentText()
tmpdir = tempfile.gettempdir()
analysis_obj = FemGui.getActiveAnalysis()
tmpdir = tempfile.gettempdir()
self.meshCaseDir = os.path.join(tmpdir, "meshCase")
self.meshObj = CfdTools.getMesh(analysis_obj)
solver_obj = CfdTools.getSolver(analysis_obj)
gmshMesh = False
if self.meshObj.Proxy.Type == "Fem::FemMeshGmsh": # GMSH
# Convert GMSH created UNV file to OpenFoam
print("Writing GMSH UNV mesh to be converted to 2D mesh")
unvMeshFile = self.meshCaseDir + os.path.sep + solver_obj.InputCaseName + u".unv"
#try:
if not os.path.exists(self.meshCaseDir):
os.makedirs(self.meshCaseDir)
bc_group = CfdTools.getCfdBoundaryGroup(analysis_obj)
self.mesh_generated = CfdTools.write_unv_mesh(
self.meshObj, bc_group, unvMeshFile)
gmshMesh = True
frontFaceList = self.frontFaceName
backFaceList = [self.backFaceName]
else:
case = CfdCaseWriterFoam.CfdCaseWriterFoam(analysis_obj)
case.settings = {}
case.settings['createPatchesFromSnappyBaffles'] = False
case.setupPatchNames()
keys = case.settings['createPatches'].keys()
frontPatchIndex = keys.index(self.frontFaceName)
frontFaceList = case.settings['createPatches'][
keys[frontPatchIndex]]['PatchNamesList']
backPatchIndex = keys.index(self.backFaceName)
backFaceList = case.settings['createPatches'][
keys[backPatchIndex]]['PatchNamesList']
template_path = os.path.join(CfdTools.get_module_path(), "data",
"defaultsMesh")
settings = {
'ConvertTo2D':
True,
'gmshMesh':
gmshMesh,
'unvFileName':
solver_obj.InputCaseName + u".unv",
'FrontFaceList':
frontFaceList,
'BackFaceList':
backFaceList[0],
'Distance':
self.distance / 1000.0,
'TranslatedFoamPath':
CfdTools.translatePath(CfdTools.getFoamDir(), ),
'MeshPath':
self.meshCaseDir
}
TemplateBuilder.TemplateBuilder(self.meshCaseDir, template_path,
settings)
cmd = CfdTools.makeRunCommand('./ConvertMeshTo2D',
self.meshCaseDir,
source_env=False)
#will fail silently in Windows
fname = os.path.join(self.meshCaseDir, "ConvertMeshTo2D")
import stat
s = os.stat(fname)
os.chmod(fname, s.st_mode | stat.S_IEXEC)
FreeCAD.Console.PrintMessage("Executing: " + ' '.join(cmd) + "\n")
env = QtCore.QProcessEnvironment.systemEnvironment()
env_vars = CfdTools.getRunEnvironment()
for key in env_vars:
env.insert(key, env_vars[key])
self.conversion_process.setProcessEnvironment(env)
self.conversion_process.start(cmd[0], cmd[1:])
if self.conversion_process.waitForStarted():
self.form.convertButton.setEnabled(
False) # Prevent user running a second instance
self.form.paraviewButton.setEnabled(False)
else:
self.console_log("Error starting meshing process", "#FF0000")
