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# * Copyright (c) 2013 Juergen Riegel <FreeCAD@juergen-riegel.net> *
# * Copyright (c) 2016 Bernd Hahnebach <bernd@bimstatik.org> *
# * *
# * This file is part of the FreeCAD CAx development system. *
# * *
# * 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__ = "FreeCAD FEM material task panel for the document object"
__author__ = "Juergen Riegel, Bernd Hahnebach, Qingfeng Xia"
__url__ = "https://www.freecad.org"
## @package task_material_common
# \ingroup FEM
# \brief FreeCAD FEM _ViewProviderFemMaterial
# \brief task panel for common material object
from PySide import QtCore
import FreeCAD
import FreeCADGui
from FreeCAD import Units
import Materials
import MatGui
from femguiutils import selection_widgets
from . import base_femtaskpanel
class _TaskPanel(base_femtaskpanel._BaseTaskPanel):
"""
The editmode TaskPanel for FemMaterial objects
"""
def __init__(self, obj):
super().__init__(obj)
# FreeCAD material dictionary of current material
self.material = self.obj.Material
self.uuid = self.obj.UUID
self.material_manager = Materials.MaterialManager()
# parameter widget
self.parameterWidget = FreeCADGui.PySideUic.loadUi(
FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/Material.ui"
)
self.material_tree = MatGui.MaterialTreeWidget(self.parameterWidget.wgt_material_tree)
self.material_tree.expanded = False
self.material_tree.IncludeEmptyFolders = False
self.material_tree.IncludeEmptyLibraries = False
QtCore.QObject.connect(
self.parameterWidget.chbu_allow_edit,
QtCore.SIGNAL("clicked()"),
self.toggleInputFieldsReadOnly,
)
# basic properties must be provided
QtCore.QObject.connect(
self.parameterWidget.qsb_density,
QtCore.SIGNAL("editingFinished()"),
self.density_changed,
)
# mechanical properties
QtCore.QObject.connect(
self.parameterWidget.qsb_young_modulus,
QtCore.SIGNAL("editingFinished()"),
self.ym_changed,
)
QtCore.QObject.connect(
self.parameterWidget.qsb_poisson_ratio,
QtCore.SIGNAL("editingFinished()"),
self.pr_changed,
)
# thermal properties
QtCore.QObject.connect(
self.parameterWidget.qsb_thermal_conductivity,
QtCore.SIGNAL("editingFinished()"),
self.tc_changed,
)
QtCore.QObject.connect(
self.parameterWidget.qsb_expansion_coefficient,
QtCore.SIGNAL("editingFinished()"),
self.tec_changed,
)
QtCore.QObject.connect(
self.parameterWidget.qsb_expansion_reference_temperature,
QtCore.SIGNAL("editingFinished()"),
self.tec_changed,
)
QtCore.QObject.connect(
self.parameterWidget.qsb_specific_heat,
QtCore.SIGNAL("editingFinished()"),
self.sh_changed,
)
# fluidic properties, only volumetric thermal expansion coeff makes sense
QtCore.QObject.connect(
self.parameterWidget.qsb_kinematic_viscosity,
QtCore.SIGNAL("editingFinished()"),
self.kinematic_viscosity_changed,
)
QtCore.QObject.connect(
self.parameterWidget.wgt_material_tree,
QtCore.SIGNAL("onMaterial(QString)"),
self.set_from_editor,
)
# init all parameter input files with read only
self.parameterWidget.chbu_allow_edit.setCheckState(QtCore.Qt.CheckState.Unchecked)
self.toggleInputFieldsReadOnly()
# hide some groupBox according to material category
if self.obj.Category == "Fluid":
self.filter_models(self.obj.Category)
self.parameterWidget.groupBox_mechanical.setVisible(0)
else:
self.parameterWidget.groupBox_fluidic.setVisible(0)
# geometry selection widget
self.selectionWidget = selection_widgets.GeometryElementsSelection(
obj.References, ["Solid", "Face", "Edge"], False, True
) # start with Solid in list!
# form made from param and selection widget
self.form = [self.parameterWidget, self.selectionWidget]
# check references, has to be after initialisation of selectionWidget
self.material_tree.UUID = self.uuid
self.set_mat_params_in_input_fields(self.material)
self.selectionWidget.has_equal_references_shape_types()
# leave task panel ***************************************************************************
def accept(self):
if self.selectionWidget.has_equal_references_shape_types():
self.obj.Material = self.material
self.obj.UUID = self.uuid
self.obj.References = self.selectionWidget.references
self.selectionWidget.finish_selection()
return super().accept()
def reject(self):
self.selectionWidget.finish_selection()
return super().reject()
# choose material ****************************************************************************
def filter_models(self, category):
material_filter = Materials.MaterialFilter()
models = set(Materials.ModelManager().Models.keys())
uuids = Materials.UUIDs()
if category == "Fluid":
material_filter.RequiredModels = [uuids.Fluid]
self.material_tree.setFilter(material_filter)
def toggleInputFieldsReadOnly(self):
if self.parameterWidget.chbu_allow_edit.isChecked():
self.parameterWidget.qsb_density.setDisabled(False)
self.parameterWidget.qsb_young_modulus.setDisabled(False)
self.parameterWidget.qsb_poisson_ratio.setDisabled(False)
self.parameterWidget.qsb_thermal_conductivity.setDisabled(False)
self.parameterWidget.qsb_expansion_coefficient.setDisabled(False)
self.parameterWidget.qsb_expansion_reference_temperature.setDisabled(False)
self.parameterWidget.qsb_specific_heat.setDisabled(False)
self.parameterWidget.qsb_kinematic_viscosity.setDisabled(False)
self.parameterWidget.wgt_material_tree.setEnabled(False)
self.uuid = ""
self.mat_from_input_fields()
else:
self.parameterWidget.qsb_density.setDisabled(True)
self.parameterWidget.qsb_young_modulus.setDisabled(True)
self.parameterWidget.qsb_poisson_ratio.setDisabled(True)
self.parameterWidget.qsb_thermal_conductivity.setDisabled(True)
self.parameterWidget.qsb_expansion_coefficient.setDisabled(True)
self.parameterWidget.qsb_expansion_reference_temperature.setDisabled(True)
self.parameterWidget.qsb_specific_heat.setDisabled(True)
self.parameterWidget.qsb_kinematic_viscosity.setDisabled(True)
self.parameterWidget.wgt_material_tree.setEnabled(True)
self.set_from_editor(self.material_tree.UUID)
# material parameter input fields ************************************************************
# mechanical input fields
def ym_changed(self):
if self.parameterWidget.chbu_allow_edit.isChecked():
self.material["YoungsModulus"] = self.parameterWidget.qsb_young_modulus.property(
"value"
).UserString
def density_changed(self):
if self.parameterWidget.chbu_allow_edit.isChecked():
self.material["Density"] = self.parameterWidget.qsb_density.property("value").UserString
def pr_changed(self):
if self.parameterWidget.chbu_allow_edit.isChecked():
self.material["PoissonRatio"] = str(
self.parameterWidget.qsb_poisson_ratio.property("value").Value
)
# thermal input fields
def tc_changed(self):
if self.parameterWidget.chbu_allow_edit.isChecked():
self.material["ThermalConductivity"] = (
self.parameterWidget.qsb_thermal_conductivity.property("value").UserString
)
def tec_changed(self):
if self.parameterWidget.chbu_allow_edit.isChecked():
self.material["ThermalExpansionCoefficient"] = (
self.parameterWidget.qsb_expansion_coefficient.property("value").UserString
)
def tec_changed(self):
if self.parameterWidget.chbu_allow_edit.isChecked():
self.material["ThermalExpansionReferenceTemperature"] = (
self.parameterWidget.qsb_expansion_reference_temperature.property(
"value"
).UserString
)
def sh_changed(self):
if self.parameterWidget.chbu_allow_edit.isChecked():
self.material["SpecificHeat"] = self.parameterWidget.qsb_specific_heat.property(
"value"
).UserString
# fluidic input fields
def kinematic_viscosity_changed(self):
if self.parameterWidget.chbu_allow_edit.isChecked():
self.material["KinematicViscosity"] = (
self.parameterWidget.qsb_kinematic_viscosity.property("value").UserString
)
def set_mat_params_in_input_fields(self, matmap):
if "YoungsModulus" in matmap:
self.parameterWidget.qsb_young_modulus.setProperty(
"value", Units.Quantity(matmap["YoungsModulus"])
)
else:
self.parameterWidget.qsb_young_modulus.setProperty("rawValue", 0.0)
if "PoissonRatio" in matmap:
self.parameterWidget.qsb_poisson_ratio.setProperty(
"value", Units.Quantity(matmap["PoissonRatio"])
)
else:
self.parameterWidget.qsb_poisson_ratio.setProperty("rawValue", 0.0)
# Fluidic properties
if "KinematicViscosity" in matmap:
self.parameterWidget.qsb_kinematic_viscosity.setProperty(
"value", Units.Quantity(matmap["KinematicViscosity"])
)
else:
self.parameterWidget.qsb_kinematic_viscosity.setProperty("rawValue", 0.0)
if "Density" in matmap:
self.parameterWidget.qsb_density.setProperty("value", Units.Quantity(matmap["Density"]))
else:
self.parameterWidget.qsb_density.setProperty("rawValue", 0.0)
# thermal properties
if "ThermalConductivity" in matmap:
self.parameterWidget.qsb_thermal_conductivity.setProperty(
"value", Units.Quantity(matmap["ThermalConductivity"])
)
else:
self.parameterWidget.qsb_thermal_conductivity.setProperty("rawValue", 0.0)
if "ThermalExpansionCoefficient" in matmap:
v = Units.Quantity(matmap["ThermalExpansionCoefficient"])
v.Format = {"Precision": 3}
self.parameterWidget.qsb_expansion_coefficient.setProperty("value", v)
else:
self.parameterWidget.qsb_expansion_coefficient.setProperty("rawValue", 0.0)
if "ThermalExpansionReferenceTemperature" in matmap:
self.parameterWidget.qsb_expansion_reference_temperature.setProperty(
"value", Units.Quantity(matmap["ThermalExpansionReferenceTemperature"])
)
else:
self.parameterWidget.qsb_expansion_reference_temperature.setProperty("rawValue", 0.0)
if "SpecificHeat" in matmap:
self.parameterWidget.qsb_specific_heat.setProperty(
"value", Units.Quantity(matmap["SpecificHeat"])
)
else:
self.parameterWidget.qsb_specific_heat.setProperty("rawValue", 0.0)
def set_from_editor(self, value):
if not value:
return
mat = self.material_manager.getMaterial(value)
self.material = mat.Properties
self.uuid = mat.UUID
self.set_mat_params_in_input_fields(self.material)
def mat_from_input_fields(self):
d = {}
d["Name"] = "Custom"
p = self.parameterWidget
d["Density"] = p.qsb_density.property("value").UserString
d["ThermalConductivity"] = p.qsb_thermal_conductivity.property("value").UserString
d["ThermalExpansionCoefficient"] = p.qsb_expansion_coefficient.property("value").UserString
d["ThermalExpansionReferenceTemperature"] = p.qsb_expansion_reference_temperature.property(
"value"
).UserString
d["SpecificHeat"] = p.qsb_specific_heat.property("value").UserString
if self.obj.Category == "Solid":
d["YoungsModulus"] = p.qsb_young_modulus.property("value").UserString
d["PoissonRatio"] = str(p.qsb_poisson_ratio.property("value").Value)
elif self.obj.Category == "Fluid":
d["KinematicViscosity"] = p.qsb_kinematic_viscosity.property("value").UserString
self.material = d
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