material_creep_fistr.py

# ***************************************************************************
# *   Copyright (c) 2016 Bernd Hahnebach <bernd@bimstatik.org>              *
# *   Copyright (c) 2022 FrontISTR Commons <https://www.frontistr.com/>     *
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# *   This file is part of the FreeCAD CAx development system.              *
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__title__ = "FrontISTR material creep document object"
__author__ = "FrontISTR Commons"
__url__ = "https://www.frontistr.com/"

from femobjects import base_fempythonobject


class MaterialCreepFISTR(base_fempythonobject.BaseFemPythonObject):
    """
    The MaterialCreepFISTR object
    """

    Type = "Fem::MaterialCreepFISTR"

    def __init__(self, obj):
        super(MaterialCreepFISTR, self).__init__(obj)
        self.add_properties(obj)

    def add_properties(self, obj):
        if not hasattr(obj, "LinearBaseMaterial"):
            obj.addProperty(
                "App::PropertyLink",
                "LinearBaseMaterial",
                "Base",
                "Set the linear material the nonlinear builds upon."
            )

        if not hasattr(obj, "CreepRateCoeff"):
            obj.addProperty(
                "App::PropertyString",
                "CreepRateCoeff",
                "Fem",
                "Set creep rate coefficient 'A' of creep material."
            )
            obj.CreepRateCoeff = "1.0e-10"

        if not hasattr(obj, "StressExponent"):
            obj.addProperty(
                "App::PropertyFloat",
                "StressExponent",
                "Fem",
                "Set stress exponent 'n' of creep material."
            )
            obj.StressExponent = 5.0

        if not hasattr(obj, "TimeExponent"):
            obj.addProperty(
                "App::PropertyFloat",
                "TimeExponent",
                "Fem",
                "Set time exponent 'm' of creep material."
            )
            obj.TimeExponent = 0.0

        if not hasattr(obj, "Temperature"):
            obj.addProperty(
                "App::PropertyFloat",
                "Temperature",
                "Fem",
                "Set temperature of creep material."
            )
            obj.Temperature = 300.0

        if not hasattr(obj, "TemperatureEnabled"):
            obj.addProperty(
                "App::PropertyBool",
                "TemperatureEnabled",
                "Fem",
                "Use temperature of creep material."
            )