174 lines
6.8 KiB
Python
174 lines
6.8 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2017 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 Z88 tasks"
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__author__ = "Bernd Hahnebach"
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__url__ = "https://www.freecad.org"
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## \addtogroup FEM
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# @{
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import os
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import os.path
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import subprocess
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from platform import system
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import FreeCAD
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from . import writer
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from .. import run
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from .. import settings
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from feminout import importZ88O2Results
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from femmesh import meshsetsgetter
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from femtools import femutils
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from femtools import membertools
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SOLVER_TYPES = ["sorcg", "siccg", "choly"]
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class Check(run.Check):
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def run(self):
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self.pushStatus("Checking analysis member...\n")
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self.check_mesh_exists()
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self.check_material_exists()
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self.check_material_single() # no multiple material
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self.check_geos_beamsection_single() # no multiple beamsection
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self.check_geos_shellthickness_single() # no multiple shellsection
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self.check_geos_beamsection_and_shellthickness() # either beams or shells
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class Prepare(run.Prepare):
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def run(self):
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self.pushStatus("Preparing solver input...\n")
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# get mesh set data
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# TODO see calculix tasks get mesh set data
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mesh_obj = membertools.get_mesh_to_solve(self.analysis)[0] # pre check done already
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meshdatagetter = meshsetsgetter.MeshSetsGetter(
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self.analysis,
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self.solver,
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mesh_obj,
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membertools.AnalysisMember(self.analysis),
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)
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meshdatagetter.get_mesh_sets()
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# write solver input
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w = writer.FemInputWriterZ88(
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self.analysis, self.solver, mesh_obj, meshdatagetter.member, self.directory
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)
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path = w.write_solver_input()
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# report to user if task succeeded
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if path is not None:
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self.pushStatus("Writing solver input completed.")
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else:
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self.pushStatus("Writing solver input failed.")
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self.fail()
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# print(path)
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# z88 does not pass a main input file to the solver
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# it passes the directory all input files are in
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# not _inputFileName is needed
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class Solve(run.Solve):
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def run(self):
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self.pushStatus("Executing test solver...\n")
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# get solver binary
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self.pushStatus("Get solver binary...\n")
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binary = settings.get_binary("Z88")
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if binary is None:
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self.pushStatus("Error: The z88r binary has not been found!")
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self.fail()
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return
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prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem/Z88")
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solver_index = prefs.GetInt("Solver", 0)
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solver_name = SOLVER_TYPES[solver_index]
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self.pushStatus(f"Used solver: {solver_name}\n")
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# run solver test mode
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# AFAIK: z88r needs to be run twice
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# once in test mode and once in real solve mode
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# the subprocess was just copied, it works :-)
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# TODO: search out for "Vector GS" and "Vector KOI" and print values
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# may be compare with the used ones
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self.pushStatus("Executing solver in test mode...\n")
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Solve.runZ88(self, "-t", binary, solver_name, "hide")
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# run solver real mode
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self.pushStatus("Executing solver in real mode...\n")
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# starting normal because the user must see the z88 window
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Solve.runZ88(self, "-c", binary, solver_name, "normal")
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def runZ88(self, command, binary, solver, state):
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solver_name = solver
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# minimize or hide the popups on Windows
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self._process = subprocess.Popen(
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[binary, command, "-" + solver_name],
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cwd=self.directory,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE,
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startupinfo=femutils.startProgramInfo(state),
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)
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self.signalAbort.add(self._process.terminate)
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self._process.communicate()
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self.signalAbort.remove(self._process.terminate)
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# for chatching the output see CalculiX or Elmer solver tasks module
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class Results(run.Results):
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def run(self):
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prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem/General")
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if not prefs.GetBool("KeepResultsOnReRun", False):
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self.purge_results()
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self.load_results()
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def purge_results(self):
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self.pushStatus("Purge existing results...\n")
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# TODO see calculix result tasks
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for m in membertools.get_member(self.analysis, "Fem::FemResultObject"):
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if femutils.is_of_type(m.Mesh, "Fem::MeshResult"):
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self.analysis.Document.removeObject(m.Mesh.Name)
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self.analysis.Document.removeObject(m.Name)
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self.analysis.Document.recompute()
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def load_results(self):
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self.pushStatus("Import new results...\n")
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# displacements from z88o2 file
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disp_result_file = os.path.join(self.directory, "z88o2.txt")
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if os.path.isfile(disp_result_file):
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result_name_prefix = "Z88_" + self.solver.AnalysisType + "_"
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importZ88O2Results.import_z88_disp(disp_result_file, self.analysis, result_name_prefix)
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else:
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# TODO: use solver framework status message system
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FreeCAD.Console.PrintError(f"FEM: No results found at {disp_result_file}!\n")
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self.fail()
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## @}
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