427 lines
16 KiB
Python
427 lines
16 KiB
Python
# ***************************************************************************
|
|
# * *
|
|
# * Copyright (c) 2015 Bernd Hahnebach <bernd@bimstatik.org> *
|
|
# * *
|
|
# * This program is free software; you can redistribute it and/or modify *
|
|
# * it under the terms of the GNU Lesser General Public License (LGPL) *
|
|
# * as published by the Free Software Foundation; either version 2 of *
|
|
# * the License, or (at your option) any later version. *
|
|
# * for detail see the LICENCE text file. *
|
|
# * *
|
|
# * This program is distributed in the hope that it will be useful, *
|
|
# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
# * GNU Library General Public License for more details. *
|
|
# * *
|
|
# * You should have received a copy of the GNU Library General Public *
|
|
# * License along with this program; if not, write to the Free Software *
|
|
# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
|
|
# * USA *
|
|
# * *
|
|
# ***************************************************************************
|
|
|
|
__title__ = "FreeCAD FEM solver calculix ViewProvider for the document object"
|
|
__author__ = "Bernd Hahnebach"
|
|
__url__ = "http://www.freecadweb.org"
|
|
|
|
## @package ViewProviderFemSolverCalculix
|
|
# \ingroup FEM
|
|
# \brief FreeCAD FEM _ViewProviderFemSolverCalculix
|
|
|
|
import FreeCAD
|
|
import FreeCADGui
|
|
import FemGui
|
|
|
|
# for the panel
|
|
from PySide import QtCore
|
|
from PySide import QtGui
|
|
from PySide.QtCore import Qt
|
|
from PySide.QtGui import QApplication
|
|
import os
|
|
import time
|
|
import sys
|
|
if sys.version_info.major >= 3:
|
|
def unicode(text, *args):
|
|
return str(text)
|
|
|
|
|
|
class _ViewProviderFemSolverCalculix:
|
|
"A View Provider for the FemSolverCalculix object"
|
|
|
|
def __init__(self, vobj):
|
|
vobj.Proxy = self
|
|
|
|
def getIcon(self):
|
|
return ":/icons/fem-solver-standard.svg"
|
|
|
|
def attach(self, vobj):
|
|
self.ViewObject = vobj
|
|
self.Object = vobj.Object
|
|
|
|
def updateData(self, obj, prop):
|
|
return
|
|
|
|
def onChanged(self, vobj, prop):
|
|
return
|
|
|
|
def setEdit(self, vobj, mode=0):
|
|
taskd = _TaskPanelFemSolverCalculix(self.Object)
|
|
FreeCADGui.Control.showDialog(taskd)
|
|
return True
|
|
|
|
def unsetEdit(self, vobj, mode=0):
|
|
FreeCADGui.Control.closeDialog()
|
|
return True
|
|
|
|
def doubleClicked(self, vobj):
|
|
doc = FreeCADGui.getDocument(vobj.Object.Document)
|
|
if not doc.getInEdit():
|
|
doc.setEdit(vobj.Object.Name)
|
|
else:
|
|
from PySide.QtGui import QMessageBox
|
|
message = "Active Task Dialog found! Please close this one before opening a new one!"
|
|
QMessageBox.critical(None, "Error in tree view", message)
|
|
FreeCAD.Console.PrintError(message + "\n")
|
|
return True
|
|
|
|
def __getstate__(self):
|
|
return None
|
|
|
|
def __setstate__(self, state):
|
|
return None
|
|
|
|
|
|
class _TaskPanelFemSolverCalculix:
|
|
"""The TaskPanel for CalculiX ccx tools solver object"""
|
|
|
|
def __init__(self, solver_object):
|
|
self.form = FreeCADGui.PySideUic.loadUi(
|
|
FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/SolverCalculix.ui"
|
|
)
|
|
|
|
from femtools.ccxtools import CcxTools as ccx
|
|
# we do not need to pass the analysis, it will be found on fea init
|
|
self.fea = ccx(solver_object)
|
|
self.fea.setup_working_dir()
|
|
self.fea.setup_ccx()
|
|
|
|
self.Calculix = QtCore.QProcess()
|
|
self.Timer = QtCore.QTimer()
|
|
self.Timer.start(300)
|
|
|
|
self.fem_console_message = ""
|
|
|
|
# Connect Signals and Slots
|
|
QtCore.QObject.connect(
|
|
self.form.tb_choose_working_dir,
|
|
QtCore.SIGNAL("clicked()"),
|
|
self.choose_working_dir
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.form.pb_write_inp,
|
|
QtCore.SIGNAL("clicked()"),
|
|
self.write_input_file_handler
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.form.pb_edit_inp,
|
|
QtCore.SIGNAL("clicked()"),
|
|
self.editCalculixInputFile
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.form.pb_run_ccx,
|
|
QtCore.SIGNAL("clicked()"),
|
|
self.runCalculix
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.form.rb_static_analysis,
|
|
QtCore.SIGNAL("clicked()"),
|
|
self.select_static_analysis
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.form.rb_frequency_analysis,
|
|
QtCore.SIGNAL("clicked()"),
|
|
self.select_frequency_analysis
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.form.rb_thermomech_analysis,
|
|
QtCore.SIGNAL("clicked()"),
|
|
self.select_thermomech_analysis
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.form.rb_check_mesh,
|
|
QtCore.SIGNAL("clicked()"),
|
|
self.select_check_mesh
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.Calculix,
|
|
QtCore.SIGNAL("started()"),
|
|
self.calculixStarted
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.Calculix,
|
|
QtCore.SIGNAL("stateChanged(QProcess::ProcessState)"),
|
|
self.calculixStateChanged
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.Calculix,
|
|
QtCore.SIGNAL("error(QProcess::ProcessError)"),
|
|
self.calculixError
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.Calculix,
|
|
QtCore.SIGNAL("finished(int)"),
|
|
self.calculixFinished
|
|
)
|
|
QtCore.QObject.connect(
|
|
self.Timer,
|
|
QtCore.SIGNAL("timeout()"),
|
|
self.UpdateText
|
|
)
|
|
|
|
self.update()
|
|
|
|
def getStandardButtons(self):
|
|
# only show a close button
|
|
# def accept() in no longer needed, since there is no OK button
|
|
return int(QtGui.QDialogButtonBox.Close)
|
|
|
|
def reject(self):
|
|
FreeCADGui.ActiveDocument.resetEdit()
|
|
|
|
def update(self):
|
|
"fills the widgets"
|
|
self.form.le_working_dir.setText(self.fea.working_dir)
|
|
if self.fea.solver.AnalysisType == "static":
|
|
self.form.rb_static_analysis.setChecked(True)
|
|
elif self.fea.solver.AnalysisType == "frequency":
|
|
self.form.rb_frequency_analysis.setChecked(True)
|
|
elif self.fea.solver.AnalysisType == "thermomech":
|
|
self.form.rb_thermomech_analysis.setChecked(True)
|
|
elif self.fea.solver.AnalysisType == "check":
|
|
self.form.rb_check_mesh.setChecked(True)
|
|
return
|
|
|
|
def femConsoleMessage(self, message="", color="#000000"):
|
|
if sys.version_info.major < 3:
|
|
message = message.encode("utf-8", "replace")
|
|
self.fem_console_message = self.fem_console_message + (
|
|
'<font color="#0000FF">{0:4.1f}:</font> <font color="{1}">{2}</font><br>'
|
|
.format(time.time() - self.Start, color, message)
|
|
)
|
|
self.form.textEdit_Output.setText(self.fem_console_message)
|
|
self.form.textEdit_Output.moveCursor(QtGui.QTextCursor.End)
|
|
|
|
def printCalculiXstdout(self):
|
|
|
|
out = self.Calculix.readAllStandardOutput()
|
|
# print(type(out))
|
|
# <class 'PySide2.QtCore.QByteArray'>
|
|
|
|
if out.isEmpty():
|
|
self.femConsoleMessage("CalculiX stdout is empty", "#FF0000")
|
|
return False
|
|
|
|
if sys.version_info.major >= 3:
|
|
# https://forum.freecadweb.org/viewtopic.php?f=18&t=39195
|
|
# convert QByteArray to a binary string an decode it to "utf-8"
|
|
out = out.data().decode() # "utf-8" can be omitted
|
|
# print(type(out))
|
|
# print(out)
|
|
else:
|
|
try:
|
|
out = unicode(out, "utf-8", "replace")
|
|
rx = QtCore.QRegExp("\\*ERROR.*\\n\\n")
|
|
# print(rx)
|
|
rx.setMinimal(True)
|
|
pos = rx.indexIn(out)
|
|
while not pos < 0:
|
|
match = rx.cap(0)
|
|
FreeCAD.Console.PrintError(match.strip().replace("\n", " ") + "\n")
|
|
pos = rx.indexIn(out, pos + 1)
|
|
except UnicodeDecodeError:
|
|
self.femConsoleMessage("Error converting stdout from CalculiX", "#FF0000")
|
|
out = os.linesep.join([s for s in out.splitlines() if s])
|
|
out = out.replace("\n", "<br>")
|
|
# print(out)
|
|
self.femConsoleMessage(out)
|
|
|
|
if "*ERROR in e_c3d: nonpositive jacobian" in out:
|
|
error_message = (
|
|
"\n\nCalculiX returned an error due to "
|
|
"nonpositive jacobian determinant in at least one element\n"
|
|
"Use the run button on selected solver to get a better error output.\n"
|
|
)
|
|
FreeCAD.Console.PrintError(error_message)
|
|
|
|
if "*ERROR" in out:
|
|
return False
|
|
else:
|
|
return True
|
|
|
|
def UpdateText(self):
|
|
if(self.Calculix.state() == QtCore.QProcess.ProcessState.Running):
|
|
self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
|
|
|
|
def calculixError(self, error=""):
|
|
print("Error() {}".format(error))
|
|
self.femConsoleMessage("CalculiX execute error: {}".format(error), "#FF0000")
|
|
|
|
def calculixNoError(self):
|
|
print("CalculiX done without error!")
|
|
self.femConsoleMessage("CalculiX done without error!", "#00AA00")
|
|
|
|
def calculixStarted(self):
|
|
# print("calculixStarted()")
|
|
FreeCAD.Console.PrintLog("calculix state: {}\n".format(self.Calculix.state()))
|
|
self.form.pb_run_ccx.setText("Break CalculiX")
|
|
|
|
def calculixStateChanged(self, newState):
|
|
if (newState == QtCore.QProcess.ProcessState.Starting):
|
|
self.femConsoleMessage("Starting CalculiX...")
|
|
if (newState == QtCore.QProcess.ProcessState.Running):
|
|
self.femConsoleMessage("CalculiX is running...")
|
|
if (newState == QtCore.QProcess.ProcessState.NotRunning):
|
|
self.femConsoleMessage("CalculiX stopped.")
|
|
|
|
def calculixFinished(self, exitCode):
|
|
# print("calculixFinished(), exit code: {}".format(exitCode))
|
|
FreeCAD.Console.PrintLog("calculix state: {}\n".format(self.Calculix.state()))
|
|
|
|
# Restore previous cwd
|
|
QtCore.QDir.setCurrent(self.cwd)
|
|
|
|
self.Timer.stop()
|
|
|
|
if self.printCalculiXstdout():
|
|
self.calculixNoError()
|
|
else:
|
|
self.calculixError()
|
|
|
|
self.form.pb_run_ccx.setText("Re-run CalculiX")
|
|
self.femConsoleMessage("Loading result sets...")
|
|
self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
|
|
self.fea.reset_mesh_purge_results_checked()
|
|
self.fea.inp_file_name = self.fea.inp_file_name
|
|
|
|
# check if ccx is greater than 2.10, if not do not read results
|
|
# https://forum.freecadweb.org/viewtopic.php?f=18&t=23548#p183829 Point 3
|
|
# https://forum.freecadweb.org/viewtopic.php?f=18&t=23548&start=20#p183909
|
|
# https://forum.freecadweb.org/viewtopic.php?f=18&t=23548&start=30#p185027
|
|
# https://github.com/FreeCAD/FreeCAD/commit/3dd1c9f
|
|
majorVersion, minorVersion = self.fea.get_ccx_version()
|
|
if majorVersion == 2 and minorVersion <= 10:
|
|
message = (
|
|
"The used CalculiX version {}.{} creates broken output files. "
|
|
"The result file will not be read by FreeCAD FEM. "
|
|
"You still can try to read it stand alone with FreeCAD, but it is "
|
|
"strongly recommended to upgrade CalculiX to a newer version.\n"
|
|
.format(majorVersion, minorVersion)
|
|
)
|
|
QtGui.QMessageBox.warning(None, "Upgrade CalculiX", message)
|
|
raise
|
|
|
|
QApplication.setOverrideCursor(Qt.WaitCursor)
|
|
try:
|
|
self.fea.load_results()
|
|
except:
|
|
FreeCAD.Console.PrintError("loading results failed\n")
|
|
|
|
QApplication.restoreOverrideCursor()
|
|
self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
|
|
|
|
def choose_working_dir(self):
|
|
wd = QtGui.QFileDialog.getExistingDirectory(None, "Choose CalculiX working directory",
|
|
self.fea.working_dir)
|
|
if os.path.isdir(wd):
|
|
self.fea.setup_working_dir(wd)
|
|
self.form.le_working_dir.setText(self.fea.working_dir)
|
|
|
|
def write_input_file_handler(self):
|
|
self.Start = time.time()
|
|
self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
|
|
QApplication.restoreOverrideCursor()
|
|
if self.check_prerequisites_helper():
|
|
QApplication.setOverrideCursor(Qt.WaitCursor)
|
|
self.fea.write_inp_file()
|
|
if self.fea.inp_file_name != "":
|
|
self.femConsoleMessage("Write completed.")
|
|
self.form.pb_edit_inp.setEnabled(True)
|
|
self.form.pb_run_ccx.setEnabled(True)
|
|
else:
|
|
self.femConsoleMessage("Write .inp file failed!", "#FF0000")
|
|
QApplication.restoreOverrideCursor()
|
|
self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
|
|
|
|
def check_prerequisites_helper(self):
|
|
self.Start = time.time()
|
|
self.femConsoleMessage("Check dependencies...")
|
|
self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
|
|
|
|
self.fea.update_objects()
|
|
message = self.fea.check_prerequisites()
|
|
if message != "":
|
|
QtGui.QMessageBox.critical(None, "Missing prerequisite(s)", message)
|
|
return False
|
|
return True
|
|
|
|
def start_ext_editor(self, ext_editor_path, filename):
|
|
if not hasattr(self, "ext_editor_process"):
|
|
self.ext_editor_process = QtCore.QProcess()
|
|
if self.ext_editor_process.state() != QtCore.QProcess.Running:
|
|
self.ext_editor_process.start(ext_editor_path, [filename])
|
|
|
|
def editCalculixInputFile(self):
|
|
print("editCalculixInputFile {}".format(self.fea.inp_file_name))
|
|
ccx_prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem/Ccx")
|
|
if ccx_prefs.GetBool("UseInternalEditor", True):
|
|
FemGui.open(self.fea.inp_file_name)
|
|
else:
|
|
ext_editor_path = ccx_prefs.GetString("ExternalEditorPath", "")
|
|
if ext_editor_path:
|
|
self.start_ext_editor(ext_editor_path, self.fea.inp_file_name)
|
|
else:
|
|
print(
|
|
"External editor is not defined in FEM preferences. "
|
|
"Falling back to internal editor"
|
|
)
|
|
FemGui.open(self.fea.inp_file_name)
|
|
|
|
def runCalculix(self):
|
|
# print("runCalculix")
|
|
self.Start = time.time()
|
|
|
|
self.femConsoleMessage("CalculiX binary: {}".format(self.fea.ccx_binary))
|
|
self.femConsoleMessage("CalculiX input file: {}".format(self.fea.inp_file_name))
|
|
self.femConsoleMessage("Run CalculiX...")
|
|
|
|
FreeCAD.Console.PrintMessage(
|
|
"run CalculiX at: {} with: {}\n"
|
|
.format(self.fea.ccx_binary, self.fea.inp_file_name)
|
|
)
|
|
# change cwd because ccx may crash if directory has no write permission
|
|
# there is also a limit of the length of file names so jump to the document directory
|
|
self.cwd = QtCore.QDir.currentPath()
|
|
fi = QtCore.QFileInfo(self.fea.inp_file_name)
|
|
QtCore.QDir.setCurrent(fi.path())
|
|
self.Calculix.start(self.fea.ccx_binary, ["-i", fi.baseName()])
|
|
|
|
QApplication.restoreOverrideCursor()
|
|
|
|
def select_analysis_type(self, analysis_type):
|
|
if self.fea.solver.AnalysisType != analysis_type:
|
|
self.fea.solver.AnalysisType = analysis_type
|
|
self.form.pb_edit_inp.setEnabled(False)
|
|
self.form.pb_run_ccx.setEnabled(False)
|
|
|
|
def select_static_analysis(self):
|
|
self.select_analysis_type("static")
|
|
|
|
def select_frequency_analysis(self):
|
|
self.select_analysis_type("frequency")
|
|
|
|
def select_thermomech_analysis(self):
|
|
self.select_analysis_type("thermomech")
|
|
|
|
def select_check_mesh(self):
|
|
self.select_analysis_type("check")
|