FreeCAD/src/Mod/Fem/FemToolsZ88.py

194 lines
8.6 KiB
Python

# ***************************************************************************
# * *
# * Copyright (c) 2016 - 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__ = "FemToolsZ88"
__author__ = "Bernd Hahnebach"
__url__ = "http://www.freecadweb.org"
import FreeCAD
import FemTools
from PySide import QtCore
from PySide.QtGui import QApplication
class FemToolsZ88(FemTools.FemTools):
known_analysis_types = ["static"]
## The constructor
# @param analysis - analysis object to be used as the core object.
# "__init__" tries to use current active analysis in analysis is left empty.
# Rises exception if analysis is not set and there is no active analysis
def __init__(self, analysis=None, solver=None, test_mode=False):
if analysis:
## @var analysis
# FEM analysis - the core object. Has to be present.
# It's set to analysis passed in "__init__" or set to current active analysis by default if nothing has been passed to "__init__".
self.analysis = analysis
else:
import FemGui
self.analysis = FemGui.getActiveAnalysis()
if solver:
## @var solver
# solver of the analysis. Used to store the active solver and analysis parameters
self.solver = solver
else:
self.solver = None
if self.analysis:
self.update_objects()
self.base_name = ""
if self.solver:
self.set_analysis_type()
self.setup_working_dir()
self.setup_z88()
else:
raise Exception('FEM: No solver found!')
else:
raise Exception('FEM: No active analysis found!')
self.z88_is_running = False
self.z88_testrun = QtCore.QProcess()
self.z88_solverun = QtCore.QProcess()
QtCore.QObject.connect(self.z88_testrun, QtCore.SIGNAL("started()"), self.z88_testrun_started)
QtCore.QObject.connect(self.z88_testrun, QtCore.SIGNAL("finished(int)"), self.z88_testrun_finished)
QtCore.QObject.connect(self.z88_solverun, QtCore.SIGNAL("started()"), self.z88_solverun_started)
QtCore.QObject.connect(self.z88_solverun, QtCore.SIGNAL("finished(int)"), self.z88_solverun_finished)
def write_inp_file(self):
import FemInputWriterZ88 as iw
import sys
self.inp_file_name = ""
try:
inp_writer = iw.FemInputWriterZ88(self.analysis, self.solver,
self.mesh, self.materials,
self.fixed_constraints,
self.force_constraints, self.pressure_constraints,
self.displacement_constraints,
self.beam_sections, self.shell_thicknesses,
self.analysis_type, None,
self.working_dir)
self.inp_file_name = inp_writer.write_z88_input()
except:
print("Unexpected error when writing Z88 input files:", sys.exc_info()[0])
raise
## Sets Z88 solver z88r binary path
# @param self The python object self
# @z88_binary path to z88r binary, default is guessed: "bin/z88r" windows, "z88r" for other systems
def setup_z88(self, z88_binary=None):
from platform import system
if not z88_binary:
self.fem_prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem")
z88_binary = self.fem_prefs.GetString("z88BinaryPath", "")
if not z88_binary:
if system() == "Linux":
z88_binary = "z88r"
elif system() == "Windows":
z88_binary = FreeCAD.getHomePath() + "bin/z88r.exe"
else:
z88_binary = "z88r"
self.z88_binary = z88_binary
def run(self):
# TODO: reimplement the process handling for z88 binary
message = self.check_prerequisites()
if not message:
self.write_inp_file()
self.cwd = QtCore.QDir.currentPath()
self.calc_path = QtCore.QFileInfo(self.working_dir + '/pseudofile.txt')
print(self.cwd)
print(self.inp_file_name)
print(self.calc_path.path())
self.z88_test_run()
else:
print("Running analysis failed! {}".format(message))
def z88_test_run(self):
# z88_testrun for memory
QtCore.QDir.setCurrent(self.calc_path.path())
if not self.z88_is_running:
z88_testrun_binary = self.z88_binary + " -t -choly"
print("Testrun Z88")
print(z88_testrun_binary)
self.z88_is_running = True
self.z88_testrun.start(z88_testrun_binary)
else:
print("Unable to start Z88, because it runs (testrun)!")
QtCore.QDir.setCurrent(self.cwd)
QApplication.restoreOverrideCursor()
def z88_solve_run(self):
# z88_solve run
QtCore.QDir.setCurrent(self.calc_path.path())
if not self.z88_is_running:
z88_solverun_binary = self.z88_binary + " -c -choly"
print("Solverun Z88")
print(z88_solverun_binary)
self.z88_is_running = True
self.z88_solverun.start(z88_solverun_binary)
else:
print("Unable to start Z88, because it runs (solverun)!")
QtCore.QDir.setCurrent(self.cwd)
QApplication.restoreOverrideCursor()
def z88_testrun_started(self):
print(" z88_testrun_started()")
# print(self.z88_testrun.state())
def z88_testrun_finished(self, exitCode):
self.z88_is_running = False
print(" z88_testrun_finished() --> " + str(exitCode))
# print(self.z88_testrun.state())
# out = self.z88_testrun.readAllStandardOutput()
# print(out + '\n') # in some cases output will be cutted, see gmsh macro --> same problem
# TODO search out for "Vektor GS" and "Vektor KOI" and print values, may be compare with z88_params value
self.z88_solve_run()
def z88_solverun_started(self):
print(" z88_solverun_started()")
# print(self.z88_solverun.state())
def z88_solverun_finished(self, exitCode):
self.z88_is_running = False
print(" z88_solverun_finished() --> " + str(exitCode))
# print(self.z88_solverun.state())
self.load_results()
def load_results(self):
self.results_present = False
self.load_results_o2()
def load_results_o2(self):
import os
import z88DispReader
disp_result_file = self.working_dir + '/z88o2.txt'
if os.path.isfile(disp_result_file):
result_name_prefix = 'Z88_' + self.solver.AnalysisType + '_'
z88DispReader.import_z88_disp(disp_result_file, self.analysis, result_name_prefix)
for m in self.analysis.Member:
if m.isDerivedFrom("Fem::FemResultObject"):
self.results_present = True
else:
raise Exception('FEM: No results found at {}!'.format(disp_result_file))