d1946bfebe
* [FEM] CCX Solver and Gmsh Mesh Task Panel Colour output improvements * [FEM] CCX Solver TP make time code more prominent * [FEM] Gmsh mesh TP make time code more prominent
450 lines
18 KiB
Python
450 lines
18 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2015 Bernd Hahnebach <bernd@bimstatik.org> *
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# * *
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# * This file is part of the FreeCAD CAx development system. *
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# * *
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# * This program is free software; you can redistribute it and/or modify *
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# * it under the terms of the GNU Lesser General Public License (LGPL) *
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# * as published by the Free Software Foundation; either version 2 of *
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# * the License, or (at your option) any later version. *
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# * for detail see the LICENCE text file. *
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# * *
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# * This program is distributed in the hope that it will be useful, *
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of *
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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# * GNU Library General Public License for more details. *
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# * *
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# * You should have received a copy of the GNU Library General Public *
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# * License along with this program; if not, write to the Free Software *
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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# * USA *
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# * *
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# ***************************************************************************
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__title__ = "FreeCAD FEM solver calculix ccx tools task panel for the document object"
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__author__ = "Bernd Hahnebach"
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__url__ = "https://www.freecad.org"
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## @package task_solver_ccxtools
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# \ingroup FEM
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# \brief task panel for solver ccx tools object
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import os
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import time
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from PySide import QtCore
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from PySide import QtGui
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from PySide.QtCore import Qt
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from PySide.QtGui import QApplication
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import FreeCAD
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import FreeCADGui
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import FemGui
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from femtools.femutils import getOutputWinColor
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def unicode(text, *args):
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return str(text)
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class _TaskPanel:
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"""
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The TaskPanel for CalculiX ccx tools solver object
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"""
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PREFS_PATH = "User parameter:BaseApp/Preferences/Mod/Fem/Ccx"
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def __init__(self, solver_object):
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self.form = FreeCADGui.PySideUic.loadUi(
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FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/SolverCalculix.ui"
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)
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from femtools.ccxtools import CcxTools as ccx
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# we do not need to pass the analysis, it will be found on fea init
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# TODO: if there is not analysis object in document init of fea
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# will fail with an exception and task panel will not open
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# handle more smart by a pop up error message and still open
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# task panel, may be deactivate write and run button.
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self.fea = ccx(solver_object)
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self.fea.setup_working_dir()
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self.fea.setup_ccx()
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self.Calculix = QtCore.QProcess()
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self.Timer = QtCore.QTimer()
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self.Timer.start(300)
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self.fem_console_message = ""
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self.CCX_pipeline = None
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self.CCX_mesh_visibility = False
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# store visibility of possibly existing mesh object
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CCX_mesh = self.fea.analysis.Document.getObject("CCX_Results_Mesh")
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if CCX_mesh is not None:
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self.CCX_mesh_visibility = CCX_mesh.ViewObject.Visibility
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# Connect Signals and Slots
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QtCore.QObject.connect(
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self.form.tb_choose_working_dir,
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QtCore.SIGNAL("clicked()"),
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self.choose_working_dir
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)
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QtCore.QObject.connect(
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self.form.pb_write_inp,
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QtCore.SIGNAL("clicked()"),
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self.write_input_file_handler
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)
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QtCore.QObject.connect(
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self.form.pb_edit_inp,
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QtCore.SIGNAL("clicked()"),
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self.editCalculixInputFile
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)
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# connect stopCalculix before runCalculix
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# see https://github.com/FreeCAD/FreeCAD/issues/12448
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QtCore.QObject.connect(
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self.form.pb_run_ccx,
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QtCore.SIGNAL("clicked()"),
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self.stopCalculix
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)
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QtCore.QObject.connect(
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self.form.pb_run_ccx,
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QtCore.SIGNAL("clicked()"),
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self.runCalculix
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)
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QtCore.QObject.connect(
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self.form.rb_static_analysis,
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QtCore.SIGNAL("clicked()"),
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self.select_static_analysis
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)
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QtCore.QObject.connect(
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self.form.rb_frequency_analysis,
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QtCore.SIGNAL("clicked()"),
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self.select_frequency_analysis
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)
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QtCore.QObject.connect(
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self.form.rb_thermomech_analysis,
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QtCore.SIGNAL("clicked()"),
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self.select_thermomech_analysis
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)
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QtCore.QObject.connect(
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self.form.rb_check_mesh,
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QtCore.SIGNAL("clicked()"),
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self.select_check_mesh
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)
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QtCore.QObject.connect(
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self.form.rb_buckling_analysis,
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QtCore.SIGNAL("clicked()"),
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self.select_buckling_analysis
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)
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QtCore.QObject.connect(
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self.Calculix,
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QtCore.SIGNAL("started()"),
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self.calculixStarted
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)
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QtCore.QObject.connect(
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self.Calculix,
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QtCore.SIGNAL("stateChanged(QProcess::ProcessState)"),
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self.calculixStateChanged
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)
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QtCore.QObject.connect(
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self.Calculix,
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QtCore.SIGNAL("error(QProcess::ProcessError)"),
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self.calculixError
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)
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QtCore.QObject.connect(
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self.Calculix,
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QtCore.SIGNAL("finished(int, QProcess::ExitStatus)"),
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self.calculixFinished
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)
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QtCore.QObject.connect(
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self.Timer,
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QtCore.SIGNAL("timeout()"),
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self.UpdateText
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)
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self.update()
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def getStandardButtons(self):
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# only show a close button
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# def accept() in no longer needed, since there is no OK button
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return int(QtGui.QDialogButtonBox.Close)
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def reject(self):
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FreeCADGui.ActiveDocument.resetEdit()
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def update(self):
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"fills the widgets"
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self.form.le_working_dir.setText(self.fea.working_dir)
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if self.fea.solver.AnalysisType == "static":
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self.form.rb_static_analysis.setChecked(True)
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elif self.fea.solver.AnalysisType == "frequency":
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self.form.rb_frequency_analysis.setChecked(True)
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elif self.fea.solver.AnalysisType == "thermomech":
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self.form.rb_thermomech_analysis.setChecked(True)
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elif self.fea.solver.AnalysisType == "check":
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self.form.rb_check_mesh.setChecked(True)
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elif self.fea.solver.AnalysisType == "buckling":
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self.form.rb_buckling_analysis.setChecked(True)
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return
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def femConsoleMessage(self, message="", outputwin_color_type=None):
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self.fem_console_message = self.fem_console_message + (
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'<font color="{}"><b>{:4.1f}:</b></font> '.format(
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getOutputWinColor("Logging"), time.time() - self.Start
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)
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)
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if outputwin_color_type:
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if (
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outputwin_color_type == "#00AA00"
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): # Success is not part of output window parameters
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self.fem_console_message += '<font color="{}">{}</font><br>'.format(
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outputwin_color_type, message
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)
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else:
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self.fem_console_message += '<font color="{}">{}</font><br>'.format(
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getOutputWinColor(outputwin_color_type), message
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)
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else:
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self.fem_console_message += message + "<br>"
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self.form.textEdit_Output.setText(self.fem_console_message)
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self.form.textEdit_Output.moveCursor(QtGui.QTextCursor.End)
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def printCalculiXstdout(self):
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out = self.Calculix.readAllStandardOutput()
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# print(type(out))
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# <class 'PySide2.QtCore.QByteArray'>
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if out.isEmpty():
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self.femConsoleMessage("CalculiX stdout is empty", "Error")
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return False
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# https://forum.freecad.org/viewtopic.php?f=18&t=39195
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# convert QByteArray to a binary string an decode it to "utf-8"
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out = out.data().decode() # "utf-8" can be omitted
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out = os.linesep.join([s for s in out.splitlines() if s])
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out = out.replace("\n", "<br>")
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# print(out)
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self.femConsoleMessage(out)
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if "*ERROR in e_c3d: nonpositive jacobian" in out:
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error_message = (
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"\n\nCalculiX returned an error due to "
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"nonpositive jacobian determinant in at least one element\n"
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"Use the run button on selected solver to get a better error output.\n"
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)
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FreeCAD.Console.PrintError(error_message)
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if "*ERROR" in out:
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return False
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else:
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return True
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def UpdateText(self):
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if(self.Calculix.state() == QtCore.QProcess.ProcessState.Running):
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self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
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def calculixError(self, error=""):
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print("Error() {}".format(error))
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self.femConsoleMessage("CalculiX execute error: {}".format(error), "Error")
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def calculixNoError(self):
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print("CalculiX done without error!")
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self.femConsoleMessage(
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"CalculiX done without error!", "#00AA00"
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) # Green leaving hard coded
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def calculixStarted(self):
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# print("calculixStarted()")
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FreeCAD.Console.PrintLog("calculix state: {}\n".format(self.Calculix.state()))
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self.form.pb_run_ccx.setText("Stop CalculiX")
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def calculixStateChanged(self, newState):
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if newState == QtCore.QProcess.ProcessState.Starting:
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self.femConsoleMessage("Starting CalculiX...")
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elif newState == QtCore.QProcess.ProcessState.Running:
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self.femConsoleMessage("CalculiX is running...")
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elif newState == QtCore.QProcess.ProcessState.NotRunning:
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self.femConsoleMessage("CalculiX stopped.")
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else:
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self.femConsoleMessage("Problems.", "Error")
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def calculixFinished(self, exitCode, exitStatus):
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# print("calculixFinished(), exit code: {}".format(exitCode))
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FreeCAD.Console.PrintLog("calculix state: {}\n".format(self.Calculix.state()))
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# Restore previous cwd
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QtCore.QDir.setCurrent(self.cwd)
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self.Timer.stop()
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self.form.pb_run_ccx.setText("Re-run CalculiX")
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if exitStatus != QtCore.QProcess.ExitStatus.NormalExit:
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return
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if self.printCalculiXstdout():
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self.calculixNoError()
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else:
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self.calculixError()
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self.femConsoleMessage("Loading result sets...")
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self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
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self.fea.reset_mesh_purge_results_checked()
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self.fea.inp_file_name = self.fea.inp_file_name
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# check if ccx is greater than 2.10, if not do not read results
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# https://forum.freecad.org/viewtopic.php?f=18&t=23548#p183829 Point 3
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# https://forum.freecad.org/viewtopic.php?f=18&t=23548&start=20#p183909
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# https://forum.freecad.org/viewtopic.php?f=18&t=23548&start=30#p185027
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# https://github.com/FreeCAD/FreeCAD/commit/3dd1c9f
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majorVersion, minorVersion = self.fea.get_ccx_version()
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if majorVersion == 2 and minorVersion <= 10:
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message = (
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"The used CalculiX version {}.{} creates broken output files. "
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"The result file will not be read by FreeCAD FEM. "
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"You still can try to read it stand alone with FreeCAD, but it is "
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"strongly recommended to upgrade CalculiX to a newer version.\n"
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.format(majorVersion, minorVersion)
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)
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QtGui.QMessageBox.warning(None, "Upgrade CalculiX", message)
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raise
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QApplication.setOverrideCursor(Qt.WaitCursor)
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try:
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self.fea.load_results()
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except Exception:
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FreeCAD.Console.PrintError("loading results failed\n")
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QApplication.restoreOverrideCursor()
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self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
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# restore mesh object visibility
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CCX_mesh = self.fea.analysis.Document.getObject("ResultMesh")
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if CCX_mesh is not None:
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CCX_mesh.ViewObject.Visibility = self.CCX_mesh_visibility
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def choose_working_dir(self):
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wd = QtGui.QFileDialog.getExistingDirectory(None, "Choose CalculiX working directory",
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self.fea.working_dir)
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if os.path.isdir(wd):
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self.fea.setup_working_dir(wd)
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self.form.le_working_dir.setText(self.fea.working_dir)
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def write_input_file_handler(self):
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self.Start = time.time()
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self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
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QApplication.restoreOverrideCursor()
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if self.check_prerequisites_helper():
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QApplication.setOverrideCursor(Qt.WaitCursor)
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self.fea.write_inp_file()
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if self.fea.inp_file_name != "":
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self.femConsoleMessage("Write completed.")
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self.form.pb_edit_inp.setEnabled(True)
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self.form.pb_run_ccx.setEnabled(True)
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else:
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self.femConsoleMessage("Write .inp file failed!", "Error")
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QApplication.restoreOverrideCursor()
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self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
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def check_prerequisites_helper(self):
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self.Start = time.time()
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self.femConsoleMessage("Check dependencies...")
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self.form.l_time.setText("Time: {0:4.1f}: ".format(time.time() - self.Start))
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self.fea.update_objects()
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message = self.fea.check_prerequisites()
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if message != "":
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QtGui.QMessageBox.critical(None, "Missing prerequisite(s)", message)
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return False
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return True
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def start_ext_editor(self, ext_editor_path, filename):
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if not hasattr(self, "ext_editor_process"):
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self.ext_editor_process = QtCore.QProcess()
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if self.ext_editor_process.state() != QtCore.QProcess.Running:
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self.ext_editor_process.start(ext_editor_path, [filename])
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def editCalculixInputFile(self):
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print("editCalculixInputFile {}".format(self.fea.inp_file_name))
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ccx_prefs = FreeCAD.ParamGet(self.PREFS_PATH)
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if ccx_prefs.GetBool("UseInternalEditor", True):
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FemGui.open(self.fea.inp_file_name)
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else:
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ext_editor_path = ccx_prefs.GetString("ExternalEditorPath", "")
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if ext_editor_path:
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self.start_ext_editor(ext_editor_path, self.fea.inp_file_name)
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else:
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print(
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"External editor is not defined in FEM preferences. "
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"Falling back to internal editor"
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)
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FemGui.open(self.fea.inp_file_name)
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def runCalculix(self):
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if self.Calculix.state() == QtCore.QProcess.ProcessState.NotRunning:
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if self.fea.ccx_binary_present is False:
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self.femConsoleMessage(
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"CalculiX can not be started. Missing or incorrect CalculiX binary: {}"
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.format(self.fea.ccx_binary)
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)
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# TODO deactivate the run button
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return
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# print("runCalculix")
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self.Start = time.time()
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self.femConsoleMessage("CalculiX binary: {}".format(self.fea.ccx_binary))
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self.femConsoleMessage("CalculiX input file: {}".format(self.fea.inp_file_name))
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self.femConsoleMessage("Run CalculiX...")
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FreeCAD.Console.PrintMessage(
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"run CalculiX at: {} with: {}\n"
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.format(self.fea.ccx_binary, self.fea.inp_file_name)
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)
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# change cwd because ccx may crash if directory has no write permission
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# there is also a limit of the length of file names so jump to the document directory
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# Set up for multi-threading. Note: same functionality as ccx_tools.py/start_ccx()
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ccx_prefs = FreeCAD.ParamGet(self.PREFS_PATH)
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env = QtCore.QProcessEnvironment.systemEnvironment()
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num_cpu_pref = ccx_prefs.GetInt("AnalysisNumCPUs", 1)
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if num_cpu_pref > 1:
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env.insert("OMP_NUM_THREADS", str(num_cpu_pref))
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else:
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cpu_count = os.cpu_count()
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if cpu_count is not None and cpu_count > 1:
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env.insert("OMP_NUM_THREADS", str(cpu_count))
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self.Calculix.setProcessEnvironment(env)
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self.cwd = QtCore.QDir.currentPath()
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fi = QtCore.QFileInfo(self.fea.inp_file_name)
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QtCore.QDir.setCurrent(fi.path())
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self.Calculix.start(self.fea.ccx_binary, ["-i", fi.baseName()])
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QApplication.restoreOverrideCursor()
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def stopCalculix(self):
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if self.Calculix.state() == QtCore.QProcess.ProcessState.Running:
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self.Calculix.kill()
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def select_analysis_type(self, analysis_type):
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if self.fea.solver.AnalysisType != analysis_type:
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self.fea.solver.AnalysisType = analysis_type
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self.form.pb_edit_inp.setEnabled(False)
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self.form.pb_run_ccx.setEnabled(False)
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def select_static_analysis(self):
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self.select_analysis_type("static")
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def select_frequency_analysis(self):
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self.select_analysis_type("frequency")
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def select_thermomech_analysis(self):
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self.select_analysis_type("thermomech")
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def select_check_mesh(self):
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self.select_analysis_type("check")
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def select_buckling_analysis(self):
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self.select_analysis_type("buckling")
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