286 lines
10 KiB
Python
286 lines
10 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2015 Bernd Hahnebach <bernd@bimstatik.org> *
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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 document object"
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__author__ = "Bernd Hahnebach"
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__url__ = "http://www.freecadweb.org"
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## @package FemSolverCalculix
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# \ingroup FEM
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# \brief FreeCAD FEM _FemSolverCalculix
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import FreeCAD
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from femtools import ccxtools
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class _FemSolverCalculix():
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"""The Fem::FemSolver's Proxy python type, add solver specific properties
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"""
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def __init__(self, obj):
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self.Type = "Fem::FemSolverCalculixCcxTools"
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self.Object = obj # keep a ref to the DocObj for nonGui usage
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obj.Proxy = self # link between App::DocumentObject to this object
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# not needed ATM
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# fem_prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem/General")
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ccx_prefs = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Fem/Ccx")
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obj.addProperty(
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"App::PropertyPath",
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"WorkingDir",
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"Fem",
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"Working directory for calculations, will only be used it is left blank in preferences"
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)
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# the working directory is not set, the solver working directory is
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# only used if the preferences working directory is left blank
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obj.addProperty(
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"App::PropertyEnumeration",
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"AnalysisType",
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"Fem",
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"Type of the analysis"
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)
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obj.AnalysisType = ccxtools.FemToolsCcx.known_analysis_types
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analysis_type = ccx_prefs.GetInt("AnalysisType", 0)
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obj.AnalysisType = ccxtools.FemToolsCcx.known_analysis_types[analysis_type]
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choices_geom_nonlinear = ["linear", "nonlinear"]
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obj.addProperty(
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"App::PropertyEnumeration",
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"GeometricalNonlinearity",
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"Fem",
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"Set geometrical nonlinearity"
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)
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obj.GeometricalNonlinearity = choices_geom_nonlinear
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nonlinear_geom = ccx_prefs.GetBool("NonlinearGeometry", False)
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if nonlinear_geom is True:
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obj.GeometricalNonlinearity = choices_geom_nonlinear[1] # nonlinear
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else:
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obj.GeometricalNonlinearity = choices_geom_nonlinear[0] # linear
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choices_material_nonlinear = ["linear", "nonlinear"]
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obj.addProperty(
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"App::PropertyEnumeration",
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"MaterialNonlinearity",
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"Fem",
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"Set material nonlinearity (needs geometrical nonlinearity)"
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)
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obj.MaterialNonlinearity = choices_material_nonlinear
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obj.MaterialNonlinearity = choices_material_nonlinear[0]
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obj.addProperty(
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"App::PropertyIntegerConstraint",
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"EigenmodesCount",
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"Fem",
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"Number of modes for frequency calculations"
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)
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noem = ccx_prefs.GetInt("EigenmodesCount", 10)
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obj.EigenmodesCount = (noem, 1, 100, 1)
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obj.addProperty(
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"App::PropertyFloatConstraint",
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"EigenmodeLowLimit",
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"Fem",
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"Low frequency limit for eigenmode calculations"
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)
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ell = ccx_prefs.GetFloat("EigenmodeLowLimit", 0.0)
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obj.EigenmodeLowLimit = (ell, 0.0, 1000000.0, 10000.0)
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obj.addProperty(
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"App::PropertyFloatConstraint",
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"EigenmodeHighLimit",
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"Fem",
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"High frequency limit for eigenmode calculations"
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)
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ehl = ccx_prefs.GetFloat("EigenmodeHighLimit", 1000000.0)
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obj.EigenmodeHighLimit = (ehl, 0.0, 1000000.0, 10000.0)
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stringIterationsThermoMechMaximum = (
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"Maximum Number of thermo mechanical iterations "
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"in each time step before stopping jobs"
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)
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obj.addProperty(
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"App::PropertyIntegerConstraint",
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"IterationsThermoMechMaximum",
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"Fem",
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stringIterationsThermoMechMaximum
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)
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niter = ccx_prefs.GetInt("AnalysisMaxIterations", 200)
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obj.IterationsThermoMechMaximum = niter
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obj.addProperty(
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"App::PropertyFloatConstraint",
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"TimeInitialStep",
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"Fem",
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"Initial time steps"
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)
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ini = ccx_prefs.GetFloat("AnalysisTimeInitialStep", 1.0)
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obj.TimeInitialStep = ini
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obj.addProperty(
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"App::PropertyFloatConstraint",
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"TimeEnd",
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"Fem",
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"End time analysis"
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)
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eni = ccx_prefs.GetFloat("AnalysisTime", 1.0)
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obj.TimeEnd = eni
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obj.addProperty(
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"App::PropertyBool",
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"ThermoMechSteadyState",
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"Fem",
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"Choose between steady state thermo mech or transient thermo mech analysis"
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)
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sted = ccx_prefs.GetBool("StaticAnalysis", True)
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obj.ThermoMechSteadyState = sted
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obj.addProperty(
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"App::PropertyBool",
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"IterationsControlParameterTimeUse",
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"Fem",
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"Use the user defined time incrementation control parameter"
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)
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use_non_ccx_iterations_param = ccx_prefs.GetInt("UseNonCcxIterationParam", False)
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obj.IterationsControlParameterTimeUse = use_non_ccx_iterations_param
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obj.addProperty(
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"App::PropertyBool",
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"SplitInputWriter",
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"Fem",
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"Split writing of ccx input file"
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)
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split = ccx_prefs.GetBool("SplitInputWriter", False)
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obj.SplitInputWriter = split
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ccx_default_time_incrementation_control_parameter = {
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# iteration parameter
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"I_0": 4,
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"I_R": 8,
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"I_P": 9,
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"I_C": 200, # ccx default = 16
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"I_L": 10,
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"I_G": 400, # ccx default = 4
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"I_S": None,
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"I_A": 200, # ccx default = 5
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"I_J": None,
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"I_T": None,
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# cutback parameter
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"D_f": 0.25,
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"D_C": 0.5,
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"D_B": 0.75,
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"D_A": 0.85,
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"D_S": None,
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"D_H": None,
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"D_D": 1.5,
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"W_G": None}
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p = ccx_default_time_incrementation_control_parameter
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p_iter = "{0},{1},{2},{3},{4},{5},{6},{7},{8},{9}".format(
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p["I_0"],
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p["I_R"],
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p["I_P"],
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p["I_C"],
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p["I_L"],
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p["I_G"],
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"",
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p["I_A"],
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"",
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""
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)
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p_cutb = "{0},{1},{2},{3},{4},{5},{6},{7}".format(
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p["D_f"],
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p["D_C"],
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p["D_B"],
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p["D_A"],
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"",
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"",
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p["D_D"],
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""
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)
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obj.addProperty(
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"App::PropertyString",
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"IterationsControlParameterIter",
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"Fem",
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"User defined time incrementation iterations control parameter"
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)
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obj.IterationsControlParameterIter = p_iter
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obj.addProperty(
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"App::PropertyString",
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"IterationsControlParameterCutb",
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"Fem",
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"User defined time incrementation cutbacks control parameter"
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)
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obj.IterationsControlParameterCutb = p_cutb
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stringIterationsUserDefinedIncrementations = (
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"Set to True to switch off the ccx automatic incrementation completely "
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"(ccx parameter DIRECT). Use with care. Analysis may not converge!"
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)
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obj.addProperty(
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"App::PropertyBool",
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"IterationsUserDefinedIncrementations",
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"Fem",
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stringIterationsUserDefinedIncrementations
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)
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obj.IterationsUserDefinedIncrementations = False
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infoIterationsUserDefinedTimeStepLength = (
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"Set to True to use the user defined time steps. "
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"The time steps are set with TimeInitialStep and TimeEnd"
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)
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obj.addProperty(
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"App::PropertyBool",
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"IterationsUserDefinedTimeStepLength",
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"Fem",
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infoIterationsUserDefinedTimeStepLength
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)
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obj.IterationsUserDefinedTimeStepLength = False
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known_ccx_solver_types = ["default", "spooles", "iterativescaling", "iterativecholesky"]
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obj.addProperty(
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"App::PropertyEnumeration",
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"MatrixSolverType",
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"Fem",
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"Type of solver to use"
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)
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obj.MatrixSolverType = known_ccx_solver_types
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solver_type = ccx_prefs.GetInt("Solver", 0)
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obj.MatrixSolverType = known_ccx_solver_types[solver_type]
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obj.addProperty(
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"App::PropertyBool",
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"BeamShellResultOutput3D",
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"Fem",
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"Output 3D results for 1D and 2D analysis "
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)
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dimout = ccx_prefs.GetBool("BeamShellOutput", False)
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obj.BeamShellResultOutput3D = dimout
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def execute(self, obj):
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return
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def __getstate__(self):
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return self.Type
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def __setstate__(self, state):
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if state:
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self.Type = state
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