819 lines
38 KiB
Python
819 lines
38 KiB
Python
# ***************************************************************************
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# * Copyright (c) 2013 Juergen Riegel <FreeCAD@juergen-riegel.net> *
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# * Copyright (c) 2016 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 material ViewProvider for the document object"
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__author__ = "Juergen Riegel, Bernd Hahnebach"
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__url__ = "http://www.freecadweb.org"
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## @package _ViewProviderFemMaterial
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# \ingroup FEM
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# \brief FreeCAD FEM _ViewProviderFemMaterial
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import FreeCAD
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import FreeCADGui
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import FemGui # needed to display the icons in TreeView
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False if False else FemGui.__name__ # dummy usage of FemGui for flake8, just returns 'FemGui'
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# for the panel
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from FreeCAD import Units
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from . import FemSelectionWidgets
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from PySide import QtCore
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from PySide import QtGui
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import sys
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if sys.version_info.major >= 3:
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unicode = str
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class _ViewProviderFemMaterial:
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"A View Provider for the FemMaterial object"
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def __init__(self, vobj):
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vobj.Proxy = self
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def getIcon(self):
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return ":/icons/fem-material.svg"
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def attach(self, vobj):
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self.ViewObject = vobj
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self.Object = vobj.Object
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def updateData(self, obj, prop):
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return
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def onChanged(self, vobj, prop):
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return
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def setEdit(self, vobj, mode):
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# hide all meshes
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for o in FreeCAD.ActiveDocument.Objects:
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if o.isDerivedFrom("Fem::FemMeshObject"):
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o.ViewObject.hide()
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# show task panel
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taskd = _TaskPanelFemMaterial(self.Object)
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taskd.obj = vobj.Object
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FreeCADGui.Control.showDialog(taskd)
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return True
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def unsetEdit(self, vobj, mode):
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FreeCADGui.Control.closeDialog()
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return True
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# overwrite the doubleClicked of material object python to make sure no other Material taskd
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# (and thus no selection observer) is still active
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def doubleClicked(self, vobj):
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guidoc = FreeCADGui.getDocument(vobj.Object.Document)
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# check if another VP is in edit mode
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# https://forum.freecadweb.org/viewtopic.php?t=13077#p104702
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if not guidoc.getInEdit():
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guidoc.setEdit(vobj.Object.Name)
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else:
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from PySide.QtGui import QMessageBox
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message = 'Active Task Dialog found! Please close this one before opening a new one!'
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QMessageBox.critical(None, "Error in tree view", message)
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FreeCAD.Console.PrintError(message + '\n')
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return True
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def __getstate__(self):
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return None
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def __setstate__(self, state):
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return None
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class _TaskPanelFemMaterial:
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'''The editmode TaskPanel for FemMaterial objects'''
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def __init__(self, obj):
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self.obj = obj
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self.material = self.obj.Material # FreeCAD material dictionary of current material
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self.card_path = ''
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self.materials = {} # { card_path : FreeCAD material dict }
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self.icons = {} # { card_path : icon_path }
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# mat_card is the FCMat file
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# card_name is the file name of the mat_card
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# card_path is the whole file path of the mat_card
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# material_name is the value of the key name in FreeCAD material dictionary
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# they might not match because of special letters in the material_name
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# which are changed in the card_name to english standard characters
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self.has_transient_mat = False
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# parameter widget
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self.parameterWidget = FreeCADGui.PySideUic.loadUi(
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FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/Material.ui"
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)
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# globals
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QtCore.QObject.connect(
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self.parameterWidget.cb_materials,
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QtCore.SIGNAL("activated(int)"),
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self.choose_material
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)
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QtCore.QObject.connect(
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self.parameterWidget.chbu_allow_edit,
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QtCore.SIGNAL("clicked()"),
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self.toggleInputFieldsReadOnly
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)
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QtCore.QObject.connect(
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self.parameterWidget.pushButton_editMat,
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QtCore.SIGNAL("clicked()"),
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self.edit_material
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)
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# basic properties must be provided
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QtCore.QObject.connect(
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self.parameterWidget.input_fd_density,
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QtCore.SIGNAL("editingFinished()"),
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self.density_changed
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)
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# mechanical properties
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QtCore.QObject.connect(
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self.parameterWidget.input_fd_young_modulus,
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QtCore.SIGNAL("editingFinished()"),
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self.ym_changed
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)
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QtCore.QObject.connect(
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self.parameterWidget.spinBox_poisson_ratio,
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QtCore.SIGNAL("editingFinished()"),
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self.pr_changed
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)
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# thermal properties
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QtCore.QObject.connect(
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self.parameterWidget.input_fd_thermal_conductivity,
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QtCore.SIGNAL("editingFinished()"),
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self.tc_changed
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)
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QtCore.QObject.connect(
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self.parameterWidget.input_fd_expansion_coefficient,
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QtCore.SIGNAL("editingFinished()"),
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self.tec_changed
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)
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QtCore.QObject.connect(
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self.parameterWidget.input_fd_specific_heat,
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QtCore.SIGNAL("editingFinished()"),
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self.sh_changed
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)
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# fluidic properties, only volumetric thermal expansion coeff makes sense
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QtCore.QObject.connect(
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self.parameterWidget.input_fd_kinematic_viscosity,
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QtCore.SIGNAL("editingFinished()"),
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self.kinematic_viscosity_changed
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)
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QtCore.QObject.connect(
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self.parameterWidget.input_fd_vol_expansion_coefficient,
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QtCore.SIGNAL("editingFinished()"),
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self.vtec_changed
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)
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# init all parameter input files with read only
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self.parameterWidget.chbu_allow_edit.setCheckState(QtCore.Qt.CheckState.Unchecked)
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self.toggleInputFieldsReadOnly()
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# hide some groupBox according to material category
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self.parameterWidget.label_category.setText(self.obj.Category)
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if self.obj.Category == 'Fluid':
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self.parameterWidget.groupBox_mechanical.setVisible(0)
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self.parameterWidget.label_expansion_coefficient.setVisible(0)
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self.parameterWidget.input_fd_expansion_coefficient.setVisible(0)
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else:
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self.parameterWidget.groupBox_fluidic.setVisible(0)
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self.parameterWidget.label_vol_expansion_coefficient.setVisible(0)
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self.parameterWidget.input_fd_vol_expansion_coefficient.setVisible(0)
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# get all available materials (fill self.materials and self.icons)
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self.import_materials()
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# fill the material comboboxes with material cards
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self.add_cards_to_combo_box()
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# search for exact this mat_card in all known cards, choose the current material
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self.card_path = self.get_material_card(self.material)
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print('card_path: ' + self.card_path)
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if not self.card_path:
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# we have not found our material in self.materials dict :-(
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# we're going to add a user-defined temporary material: a document material
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FreeCAD.Console.PrintMessage(
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"Previously used material card cannot be found in material directories. "
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"Add document material.\n"
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)
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self.card_path = '_document_material'
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self.materials[self.card_path] = self.material
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self.parameterWidget.cb_materials.addItem(
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QtGui.QIcon(":/icons/help-browser.svg"),
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self.card_path,
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self.card_path
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)
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index = self.parameterWidget.cb_materials.findData(self.card_path)
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# print(index)
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# fill input fields and set the current material in the cb widget
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self.choose_material(index)
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else:
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# we found our exact material in self.materials dict :-)
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FreeCAD.Console.PrintMessage(
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"Previously used material card was found in material directories. "
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"We will use this material.\n"
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)
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index = self.parameterWidget.cb_materials.findData(self.card_path)
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# print(index)
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# fill input fields and set the current material in the cb widget
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self.choose_material(index)
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# geometry selection widget
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self.selectionWidget = FemSelectionWidgets.GeometryElementsSelection(
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obj.References,
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['Solid', 'Face', 'Edge'],
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False
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) # start with Solid in list!
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# form made from param and selection widget
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self.form = [self.parameterWidget, self.selectionWidget]
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# check references, has to be after initialisation of selectionWidget
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self.selectionWidget.has_equal_references_shape_types()
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# leave task panel ***************************************************************************
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def accept(self):
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# print(self.material)
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if self.selectionWidget.has_equal_references_shape_types():
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self.do_not_set_thermal_zeros()
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self.obj.Material = self.material
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self.obj.References = self.selectionWidget.references
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self.recompute_and_set_back_all()
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return True
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def reject(self):
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self.recompute_and_set_back_all()
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return True
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def recompute_and_set_back_all(self):
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doc = FreeCADGui.getDocument(self.obj.Document)
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doc.Document.recompute()
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self.selectionWidget.setback_listobj_visibility()
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if self.selectionWidget.sel_server:
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FreeCADGui.Selection.removeObserver(self.selectionWidget.sel_server)
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doc.resetEdit()
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def do_not_set_thermal_zeros(self):
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''' thermal material parameter are set to 0.0 if not available
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this leads to wrong material values and to not finding the card
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on reopen the task pane, thus do not write thermal parameter,
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if they are 0.0
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'''
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if Units.Quantity(self.material['ThermalConductivity']) == 0.0:
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self.material.pop('ThermalConductivity', None)
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FreeCAD.Console.PrintMessage(
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'Zero ThermalConductivity value. It is not saved in the card data.\n'
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)
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if Units.Quantity(self.material['ThermalExpansionCoefficient']) == 0.0:
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self.material.pop('ThermalExpansionCoefficient', None)
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FreeCAD.Console.PrintMessage(
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'Zero ThermalExpansionCoefficient value. It is not saved in the card data.\n'
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)
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if Units.Quantity(self.material['SpecificHeat']) == 0.0:
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self.material.pop('SpecificHeat', None)
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FreeCAD.Console.PrintMessage(
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'Zero SpecificHeat value. It is not saved in the card data.\n'
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)
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# choose material ****************************************************************************
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def get_material_card(self, material):
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for a_mat in self.materials:
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unmatched_items = set(self.materials[a_mat].items()) ^ set(material.items())
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# print(a_mat + ' --> unmatched_items = ' + str(len(unmatched_items)))
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# if len(unmatched_items) < 4:
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# print(unmatched_items)
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if len(unmatched_items) == 0:
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return a_mat
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return ""
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def choose_material(self, index):
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if index < 0:
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return
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self.card_path = self.parameterWidget.cb_materials.itemData(index) # returns whole path
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# print('choose_material: ' + self.card_path)
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self.material = self.materials[self.card_path]
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self.check_material_keys()
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self.set_mat_params_in_input_fields(self.material)
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self.parameterWidget.cb_materials.setCurrentIndex(index) # set after input fields
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gen_mat_desc = ""
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gen_mat_name = ""
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if 'Description' in self.material:
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gen_mat_desc = self.material['Description']
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if 'Name' in self.material:
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gen_mat_name = self.material['Name']
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self.parameterWidget.l_mat_description.setText(gen_mat_desc)
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self.parameterWidget.l_mat_name.setText(gen_mat_name)
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# print('choose_material: done')
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def set_transient_material(self):
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self.card_path = '_transient_material'
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self.materials[self.card_path] = self.material # = the current input fields data
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index = self.parameterWidget.cb_materials.findData(self.card_path)
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self.choose_material(index)
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def add_transient_material(self):
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self.has_transient_mat = True
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self.card_path = '_transient_material'
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self.parameterWidget.cb_materials.addItem(
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QtGui.QIcon(":/icons/help-browser.svg"),
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self.card_path,
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self.card_path
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)
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self.set_transient_material()
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# how to edit a material *********************************************************************
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def edit_material(self):
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# opens the material editor to choose a material or edit material params
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# self.print_material_params()
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import MaterialEditor
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new_material_params = self.material.copy()
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new_material_params = MaterialEditor.editMaterial(new_material_params)
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# if the material editor was canceled a empty params dict will be returned
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# do not change the self.material
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# self.print_material_params(new_material_params)
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# check if dict is not empty (do not use 'is True'
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if new_material_params:
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self.material = new_material_params
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self.card_path = self.get_material_card(self.material)
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# print('card_path: ' + self.card_path)
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self.check_material_keys()
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self.set_mat_params_in_input_fields(self.material)
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if not self.card_path:
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if self.has_transient_mat is False:
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self.add_transient_material()
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else:
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self.set_transient_material()
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else:
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# we found our exact material in self.materials dict :-)
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FreeCAD.Console.PrintMessage(
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"Material card was found in material directories. "
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"We will use this material.\n"
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)
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index = self.parameterWidget.cb_materials.findData(self.card_path)
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# print(index)
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# set the current material in the cb widget
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self.choose_material(index)
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else:
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FreeCAD.Console.PrintMessage(
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'No changes where made by the material editor.\n'
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)
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# self.print_material_params()
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# material editor returns the mat_dict only not a card_path
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# if a standard FreeCAD mat_card was used
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def toggleInputFieldsReadOnly(self):
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if self.parameterWidget.chbu_allow_edit.isChecked():
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self.parameterWidget.input_fd_density.setReadOnly(False)
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self.parameterWidget.input_fd_young_modulus.setReadOnly(False)
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self.parameterWidget.spinBox_poisson_ratio.setReadOnly(False)
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self.parameterWidget.input_fd_thermal_conductivity.setReadOnly(False)
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self.parameterWidget.input_fd_expansion_coefficient.setReadOnly(False)
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self.parameterWidget.input_fd_specific_heat.setReadOnly(False)
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self.parameterWidget.input_fd_kinematic_viscosity.setReadOnly(False)
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self.parameterWidget.input_fd_vol_expansion_coefficient.setReadOnly(False)
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else:
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self.parameterWidget.input_fd_density.setReadOnly(True)
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self.parameterWidget.input_fd_young_modulus.setReadOnly(True)
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self.parameterWidget.spinBox_poisson_ratio.setReadOnly(True)
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self.parameterWidget.input_fd_thermal_conductivity.setReadOnly(True)
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self.parameterWidget.input_fd_expansion_coefficient.setReadOnly(True)
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self.parameterWidget.input_fd_specific_heat.setReadOnly(True)
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self.parameterWidget.input_fd_kinematic_viscosity.setReadOnly(True)
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self.parameterWidget.input_fd_vol_expansion_coefficient.setReadOnly(True)
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# material parameter input fields ************************************************************
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def print_material_params(self, material=None):
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# in rare cases we gone pass a empty dict
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# in such a case a empty dict should be printed and not self.material
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# thus we check for None
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if material is None:
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material = self.material
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if not material:
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# empty dict
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print(' ' + str(material))
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else:
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for p in material:
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print(' ' + p + ' --> ' + material[p])
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print('\n')
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def check_material_keys(self):
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# FreeCAD units definition is at file end of src/Base/Unit.cpp
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if not self.material:
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FreeCAD.Console.PrintMessage('For some reason all material data is empty!\n')
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self.material['Name'] = 'Empty'
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if 'Density' in self.material:
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if 'Density' not in str(Units.Unit(self.material['Density'])):
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FreeCAD.Console.PrintMessage(
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'Density in material data seems to have no unit '
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'or a wrong unit (reset the value): {}\n'
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.format(self.material['Name'])
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)
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self.material['Density'] = '0 kg/m^3'
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else:
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FreeCAD.Console.PrintMessage(
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'Density not found in material data of: {}\n'
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.format(self.material['Name'])
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)
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self.material['Density'] = '0 kg/m^3'
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if self.obj.Category == 'Solid':
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# mechanical properties
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if 'YoungsModulus' in self.material:
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# unit type of YoungsModulus is Pressure
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if 'Pressure' not in str(Units.Unit(self.material['YoungsModulus'])):
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FreeCAD.Console.PrintMessage(
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'YoungsModulus in material data seems to have no unit '
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'or a wrong unit (reset the value): {}\n'
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.format(self.material['Name'])
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)
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self.material['YoungsModulus'] = '0 MPa'
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else:
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FreeCAD.Console.PrintMessage(
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'YoungsModulus not found in material data of: {}\n'
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.format(self.material['Name'])
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)
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self.material['YoungsModulus'] = '0 MPa'
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if 'PoissonRatio' in self.material:
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# PoissonRatio does not have a unit, but it is checked it there is no value at all
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try:
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float(self.material['PoissonRatio'])
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except:
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FreeCAD.Console.PrintMessage(
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'PoissonRatio has wrong or no data (reset the value): {}\n'
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.format(self.material['PoissonRatio'])
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)
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self.material['PoissonRatio'] = '0'
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else:
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FreeCAD.Console.PrintMessage(
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'PoissonRatio not found in material data of: {}\n'
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.format(self.material['Name'])
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)
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self.material['PoissonRatio'] = '0'
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if self.obj.Category == 'Fluid':
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# Fluidic properties
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|
if 'KinematicViscosity' in self.material:
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ki_vis = self.material['KinematicViscosity']
|
|
if 'KinematicViscosity' not in str(Units.Unit(ki_vis)):
|
|
FreeCAD.Console.PrintMessage(
|
|
'KinematicViscosity in material data seems to have no unit '
|
|
'or a wrong unit (reset the value): {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['KinematicViscosity'] = '0 m^2/s'
|
|
else:
|
|
FreeCAD.Console.PrintMessage(
|
|
'KinematicViscosity not found in material data of: {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['KinematicViscosity'] = '0 m^2/s'
|
|
if 'VolumetricThermalExpansionCoefficient' in self.material:
|
|
# unit type VolumetricThermalExpansionCoefficient is ThermalExpansionCoefficient
|
|
vol_ther_ex_co = self.material['VolumetricThermalExpansionCoefficient']
|
|
if 'VolumetricThermalExpansionCoefficient' not in str(Units.Unit(vol_ther_ex_co)):
|
|
FreeCAD.Console.PrintMessage(
|
|
'VolumetricThermalExpansionCoefficient in material data '
|
|
'seems to have no unit or a wrong unit (reset the value): {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['VolumetricThermalExpansionCoefficient'] = '0 m/m/K'
|
|
else:
|
|
FreeCAD.Console.PrintMessage(
|
|
'VolumetricThermalExpansionCoefficient not found in material data of: {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['VolumetricThermalExpansionCoefficient'] = '0 m/m/K'
|
|
# Thermal properties
|
|
if 'ThermalConductivity' in self.material:
|
|
if 'ThermalConductivity' not in str(Units.Unit(self.material['ThermalConductivity'])):
|
|
FreeCAD.Console.PrintMessage(
|
|
'ThermalConductivity in material data seems to have no unit '
|
|
'or a wrong unit (reset the value): {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['ThermalConductivity'] = '0 W/m/K'
|
|
else:
|
|
FreeCAD.Console.PrintMessage(
|
|
'ThermalConductivity not found in material data of: {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['ThermalConductivity'] = '0 W/m/K'
|
|
if 'ThermalExpansionCoefficient' in self.material:
|
|
the_ex_co = self.material['ThermalExpansionCoefficient']
|
|
if 'ThermalExpansionCoefficient' not in str(Units.Unit(the_ex_co)):
|
|
FreeCAD.Console.PrintMessage(
|
|
'ThermalExpansionCoefficient in material data seems to have no unit '
|
|
'or a wrong unit (reset the value): {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['ThermalExpansionCoefficient'] = '0 um/m/K'
|
|
else:
|
|
FreeCAD.Console.PrintMessage(
|
|
'ThermalExpansionCoefficient not found in material data of: {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['ThermalExpansionCoefficient'] = '0 um/m/K'
|
|
if 'SpecificHeat' in self.material:
|
|
if 'SpecificHeat' not in str(Units.Unit(self.material['SpecificHeat'])):
|
|
FreeCAD.Console.PrintMessage(
|
|
'SpecificHeat in material data seems to have no unit '
|
|
'or a wrong unit (reset the value): {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['SpecificHeat'] = '0 J/kg/K'
|
|
else:
|
|
FreeCAD.Console.PrintMessage(
|
|
'SpecificHeat not found in material data of: {}\n'
|
|
.format(self.material['Name'])
|
|
)
|
|
self.material['SpecificHeat'] = '0 J/kg/K'
|
|
|
|
# mechanical input fields
|
|
def ym_changed(self):
|
|
# FreeCADs standard unit for stress is kPa
|
|
value = self.parameterWidget.input_fd_young_modulus.property("rawValue")
|
|
old_ym = Units.Quantity(self.material['YoungsModulus']).getValueAs("kPa")
|
|
variation = 0.001
|
|
if value:
|
|
if not (1 - variation < float(old_ym) / value < 1 + variation):
|
|
# YoungsModulus has changed
|
|
material = self.material
|
|
material['YoungsModulus'] = unicode(value) + " kPa"
|
|
self.material = material
|
|
if self.has_transient_mat is False:
|
|
self.add_transient_material()
|
|
else:
|
|
self.set_transient_material()
|
|
|
|
def density_changed(self):
|
|
# FreeCADs standard unit for density is kg/mm^3
|
|
value = self.parameterWidget.input_fd_density.property("rawValue")
|
|
old_density = Units.Quantity(self.material['Density']).getValueAs("kg/m^3")
|
|
variation = 0.001
|
|
if value:
|
|
if not (1 - variation < float(old_density) / value < 1 + variation):
|
|
# density has changed
|
|
material = self.material
|
|
value_in_kg_per_m3 = value * 1e9
|
|
# SvdW:Keep density in SI units for easier readability
|
|
material['Density'] = unicode(value_in_kg_per_m3) + " kg/m^3"
|
|
self.material = material
|
|
if self.has_transient_mat is False:
|
|
self.add_transient_material()
|
|
else:
|
|
self.set_transient_material()
|
|
|
|
def pr_changed(self):
|
|
value = self.parameterWidget.spinBox_poisson_ratio.value()
|
|
old_pr = Units.Quantity(self.material['PoissonRatio'])
|
|
variation = 0.001
|
|
if value:
|
|
if not (1 - variation < float(old_pr) / value < 1 + variation):
|
|
# PoissonRatio has changed
|
|
material = self.material
|
|
material['PoissonRatio'] = unicode(value)
|
|
self.material = material
|
|
if self.has_transient_mat is False:
|
|
self.add_transient_material()
|
|
else:
|
|
self.set_transient_material()
|
|
elif value == 0:
|
|
# PoissonRatio was set to 0.0 what is possible
|
|
material = self.material
|
|
material['PoissonRatio'] = unicode(value)
|
|
self.material = material
|
|
if self.has_transient_mat is False:
|
|
self.add_transient_material()
|
|
else:
|
|
self.set_transient_material()
|
|
|
|
# thermal input fields
|
|
def tc_changed(self):
|
|
value = self.parameterWidget.input_fd_thermal_conductivity.property("rawValue")
|
|
old_tc = Units.Quantity(self.material['ThermalConductivity']).getValueAs("W/m/K")
|
|
variation = 0.001
|
|
if value:
|
|
if not (1 - variation < float(old_tc) / value < 1 + variation):
|
|
# ThermalConductivity has changed
|
|
material = self.material
|
|
value_in_W_per_mK = value * 1e-3 # To compensate for use of SI units
|
|
material['ThermalConductivity'] = unicode(value_in_W_per_mK) + " W/m/K"
|
|
self.material = material
|
|
if self.has_transient_mat is False:
|
|
self.add_transient_material()
|
|
else:
|
|
self.set_transient_material()
|
|
|
|
def tec_changed(self):
|
|
value = self.parameterWidget.input_fd_expansion_coefficient.property("rawValue")
|
|
old_tec = Units.Quantity(
|
|
self.material['ThermalExpansionCoefficient']
|
|
).getValueAs("um/m/K")
|
|
variation = 0.001
|
|
if value:
|
|
if not (1 - variation < float(old_tec) / value < 1 + variation):
|
|
# ThermalExpansionCoefficient has changed
|
|
material = self.material
|
|
value_in_um_per_mK = value * 1e6 # To compensate for use of SI units
|
|
material['ThermalExpansionCoefficient'] = unicode(value_in_um_per_mK) + " um/m/K"
|
|
self.material = material
|
|
if self.has_transient_mat is False:
|
|
self.add_transient_material()
|
|
else:
|
|
self.set_transient_material()
|
|
|
|
def sh_changed(self):
|
|
value = self.parameterWidget.input_fd_specific_heat.property("rawValue")
|
|
old_sh = Units.Quantity(self.material['SpecificHeat']).getValueAs("J/kg/K")
|
|
variation = 0.001
|
|
if value:
|
|
if not (1 - variation < float(old_sh) / value < 1 + variation):
|
|
# SpecificHeat has changed
|
|
material = self.material
|
|
value_in_J_per_kgK = value * 1e-6 # To compensate for use of SI units
|
|
material['SpecificHeat'] = unicode(value_in_J_per_kgK) + " J/kg/K"
|
|
self.material = material
|
|
if self.has_transient_mat is False:
|
|
self.add_transient_material()
|
|
else:
|
|
self.set_transient_material()
|
|
|
|
# fluidic input fields
|
|
def vtec_changed(self):
|
|
value = self.parameterWidget.input_fd_vol_expansion_coefficient.property("rawValue")
|
|
old_vtec = Units.Quantity(
|
|
self.material['VolumetricThermalExpansionCoefficient']
|
|
).getValueAs("m/m/K")
|
|
variation = 0.001
|
|
if value:
|
|
if not (1 - variation < float(old_vtec) / value < 1 + variation):
|
|
# VolumetricThermalExpansionCoefficient has changed
|
|
material = self.material
|
|
value_in_one_per_K = unicode(value) + " m/m/K"
|
|
material['VolumetricThermalExpansionCoefficient'] = value_in_one_per_K
|
|
self.material = material
|
|
if self.has_transient_mat is False:
|
|
self.add_transient_material()
|
|
else:
|
|
self.set_transient_material()
|
|
|
|
def kinematic_viscosity_changed(self):
|
|
value = self.parameterWidget.input_fd_kinematic_viscosity.property("rawValue")
|
|
old_nu = Units.Quantity(self.material['KinematicViscosity']).getValueAs("m^2/s")
|
|
variation = 0.000001
|
|
if value:
|
|
if not (1 - variation < float(old_nu) / value < 1 + variation):
|
|
# KinematicViscosity has changed
|
|
material = self.material
|
|
value_in_m2_per_second = value
|
|
material['KinematicViscosity'] = unicode(value_in_m2_per_second) + " m^2/s"
|
|
self.material = material
|
|
if self.has_transient_mat is False:
|
|
self.add_transient_material()
|
|
else:
|
|
self.set_transient_material()
|
|
|
|
def set_mat_params_in_input_fields(self, matmap):
|
|
if 'YoungsModulus' in matmap:
|
|
ym_new_unit = "MPa"
|
|
ym = FreeCAD.Units.Quantity(matmap['YoungsModulus'])
|
|
ym_with_new_unit = ym.getValueAs(ym_new_unit)
|
|
q = FreeCAD.Units.Quantity("{} {}".format(ym_with_new_unit, ym_new_unit))
|
|
self.parameterWidget.input_fd_young_modulus.setText(q.UserString)
|
|
if 'PoissonRatio' in matmap:
|
|
self.parameterWidget.spinBox_poisson_ratio.setValue(float(matmap['PoissonRatio']))
|
|
# Fluidic properties
|
|
if 'KinematicViscosity' in matmap:
|
|
nu_new_unit = "m^2/s"
|
|
nu = FreeCAD.Units.Quantity(matmap['KinematicViscosity'])
|
|
nu_with_new_unit = nu.getValueAs(nu_new_unit)
|
|
q = FreeCAD.Units.Quantity("{} {}".format(nu_with_new_unit, nu_new_unit))
|
|
self.parameterWidget.input_fd_kinematic_viscosity.setText(q.UserString)
|
|
# For isotropic materials the volumetric thermal expansion coefficient
|
|
# is three times the linear coefficient:
|
|
if 'VolumetricThermalExpansionCoefficient' in matmap: # linear, only for solid
|
|
vtec_new_unit = "m/m/K"
|
|
vtec = FreeCAD.Units.Quantity(matmap['VolumetricThermalExpansionCoefficient'])
|
|
vtec_with_new_unit = vtec.getValueAs(vtec_new_unit)
|
|
q = FreeCAD.Units.Quantity("{} {}".format(vtec_with_new_unit, vtec_new_unit))
|
|
self.parameterWidget.input_fd_vol_expansion_coefficient.setText(q.UserString)
|
|
if 'Density' in matmap:
|
|
density_new_unit = "kg/m^3"
|
|
density = FreeCAD.Units.Quantity(matmap['Density'])
|
|
density_with_new_unit = density.getValueAs(density_new_unit)
|
|
# self.parameterWidget.input_fd_density.setText(
|
|
# "{} {}".format(density_with_new_unit, density_new_unit)
|
|
# )
|
|
q = FreeCAD.Units.Quantity("{} {}".format(density_with_new_unit, density_new_unit))
|
|
self.parameterWidget.input_fd_density.setText(q.UserString)
|
|
# thermal properties
|
|
if 'ThermalConductivity' in matmap:
|
|
tc_new_unit = "W/m/K"
|
|
tc = FreeCAD.Units.Quantity(matmap['ThermalConductivity'])
|
|
tc_with_new_unit = tc.getValueAs(tc_new_unit)
|
|
q = FreeCAD.Units.Quantity("{} {}".format(tc_with_new_unit, tc_new_unit))
|
|
self.parameterWidget.input_fd_thermal_conductivity.setText(q.UserString)
|
|
if 'ThermalExpansionCoefficient' in matmap: # linear, only for solid
|
|
tec_new_unit = "um/m/K"
|
|
tec = FreeCAD.Units.Quantity(matmap['ThermalExpansionCoefficient'])
|
|
tec_with_new_unit = tec.getValueAs(tec_new_unit)
|
|
q = FreeCAD.Units.Quantity("{} {}".format(tec_with_new_unit, tec_new_unit))
|
|
self.parameterWidget.input_fd_expansion_coefficient.setText(q.UserString)
|
|
if 'SpecificHeat' in matmap:
|
|
sh_new_unit = "J/kg/K"
|
|
sh = FreeCAD.Units.Quantity(matmap['SpecificHeat'])
|
|
sh_with_new_unit = sh.getValueAs(sh_new_unit)
|
|
q = FreeCAD.Units.Quantity("{} {}".format(sh_with_new_unit, sh_new_unit))
|
|
self.parameterWidget.input_fd_specific_heat.setText(q.UserString)
|
|
|
|
# fill the combo box with cards **************************************************************
|
|
def add_cards_to_combo_box(self):
|
|
# fill combobox, in combo box the card name is used not the material name
|
|
from os.path import basename
|
|
self.parameterWidget.cb_materials.clear()
|
|
card_name_list = []
|
|
for a_path in self.materials:
|
|
card_name = basename(a_path[:-(len(".FCMat"))])
|
|
card_name_list.append([card_name, a_path, self.icons[a_path]])
|
|
card_name_list.sort()
|
|
for mat in card_name_list:
|
|
self.parameterWidget.cb_materials.addItem(QtGui.QIcon(mat[2]), mat[0], mat[1])
|
|
|
|
# material card handling *********************************************************************
|
|
def print_materialsdict(self):
|
|
print('\n\n')
|
|
for mat_card in self.materials:
|
|
print(mat_card)
|
|
self.print_material_params(self.materials[mat_card])
|
|
print('\n\n')
|
|
|
|
def import_materials(self):
|
|
self.fem_prefs = FreeCAD.ParamGet(
|
|
"User parameter:BaseApp/Preferences/Mod/Material/Resources"
|
|
)
|
|
if self.obj.Category == 'Fluid':
|
|
self.import_fluid_materials()
|
|
else:
|
|
self.import_solid_materials()
|
|
# self.print_materialsdict()
|
|
|
|
def import_solid_materials(self):
|
|
use_built_in_materials = self.fem_prefs.GetBool("UseBuiltInMaterials", True)
|
|
if use_built_in_materials:
|
|
system_mat_dir = FreeCAD.getResourceDir() + "/Mod/Material/StandardMaterial"
|
|
self.add_cards_from_a_dir(system_mat_dir, ":/icons/freecad.svg")
|
|
|
|
use_mat_from_config_dir = self.fem_prefs.GetBool("UseMaterialsFromConfigDir", True)
|
|
if use_mat_from_config_dir:
|
|
user_mat_dirname = FreeCAD.getUserAppDataDir() + "Material"
|
|
self.add_cards_from_a_dir(user_mat_dirname, ":/icons/preferences-general.svg")
|
|
|
|
use_mat_from_custom_dir = self.fem_prefs.GetBool("UseMaterialsFromCustomDir", True)
|
|
if use_mat_from_custom_dir:
|
|
custom_mat_dir = self.fem_prefs.GetString("CustomMaterialsDir", "")
|
|
self.add_cards_from_a_dir(custom_mat_dir, ":/icons/user.svg")
|
|
|
|
def import_fluid_materials(self):
|
|
# use_built_in_materials = self.fem_prefs.GetBool("UseBuiltInMaterials", True)
|
|
# if use_built_in_materials:
|
|
system_mat_dir = FreeCAD.getResourceDir() + "/Mod/Material/FluidMaterial"
|
|
self.add_cards_from_a_dir(system_mat_dir, ":/icons/freecad.svg")
|
|
|
|
use_mat_from_config_dir = self.fem_prefs.GetBool("UseMaterialsFromConfigDir", True)
|
|
if use_mat_from_config_dir:
|
|
user_mat_dirname = FreeCAD.getUserAppDataDir() + "FluidMaterial"
|
|
self.add_cards_from_a_dir(user_mat_dirname, ":/icons/preferences-general.svg")
|
|
|
|
use_mat_from_custom_dir = self.fem_prefs.GetBool("UseMaterialsFromCustomDir", True)
|
|
if use_mat_from_custom_dir:
|
|
custom_mat_dir = self.fem_prefs.GetString("CustomMaterialsDir", "")
|
|
self.add_cards_from_a_dir(custom_mat_dir, ":/icons/user.svg")
|
|
|
|
def add_cards_from_a_dir(self, mat_dir, icon):
|
|
# fill self.materials and self.icons
|
|
import glob
|
|
from importFCMat import read
|
|
dir_path_list = glob.glob(mat_dir + '/*' + ".FCMat")
|
|
|
|
for a_path in dir_path_list:
|
|
mat_dict = read(a_path)
|
|
# check if the dict exists in materials
|
|
# TODO if the unit is different two cards would be different too
|
|
if mat_dict not in self.materials.values():
|
|
self.materials[a_path] = mat_dict
|
|
self.icons[a_path] = icon
|