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FEM: task panel mechanical material: add thermomech related changes

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This commit is contained in:
Bernd Hahnebach
2016-08-01 21:57:28 +01:00
committed by wmayer
parent c15ed5a02d
commit fd472c33c9
2 changed files with 213 additions and 4 deletions
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55
src/Mod/Fem/_TaskPanelMechanicalMaterial.py
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@@ -51,6 +51,10 @@ class _TaskPanelMechanicalMaterial:
QtCore.QObject.connect(self.form.spinBox_poisson_ratio, QtCore.SIGNAL("valueChanged(double)"), self.pr_changed)
QtCore.QObject.connect(self.form.input_fd_density, QtCore.SIGNAL("valueChanged(double)"), self.density_changed)
QtCore.QObject.connect(self.form.pushButton_Reference, QtCore.SIGNAL("clicked()"), self.add_references)
QtCore.QObject.connect(self.form.input_fd_thermal_conductivity, QtCore.SIGNAL("valueChanged(double)"), self.tc_changed)
QtCore.QObject.connect(self.form.input_fd_expansion_coefficient, QtCore.SIGNAL("valueChanged(double)"), self.tec_changed)
QtCore.QObject.connect(self.form.input_fd_specific_heat, QtCore.SIGNAL("valueChanged(double)"), self.sh_changed)
self.form.list_References.setContextMenuPolicy(QtCore.Qt.CustomContextMenu)
self.form.list_References.connect(self.form.list_References, QtCore.SIGNAL("customContextMenuRequested(QPoint)"), self.references_list_right_clicked)
@@ -155,6 +159,42 @@ class _TaskPanelMechanicalMaterial:
material['PoissonRatio'] = unicode(value)
self.material = material
def tc_changed(self, value):
import Units
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
def tec_changed(self, value):
import Units
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
def sh_changed(self, value):
import Units
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
def choose_material(self, index):
if index < 0:
return
@@ -193,6 +233,21 @@ class _TaskPanelMechanicalMaterial:
density = FreeCAD.Units.Quantity(matmap['Density'])
density_with_new_unit = density.getValueAs(density_new_unit)
self.form.input_fd_density.setText("{} {}".format(density_with_new_unit, density_new_unit))
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)
self.form.input_fd_thermal_conductivity.setText("{} {}".format(tc_with_new_unit, tc_new_unit))
if 'ThermalExpansionCoefficient' in matmap:
tec_new_unit = "um/m/K"
tec = FreeCAD.Units.Quantity(matmap['ThermalExpansionCoefficient'])
tec_with_new_unit = tec.getValueAs(tec_new_unit)
self.form.input_fd_expansion_coefficient.setText("{} {}".format(tec_with_new_unit, tec_new_unit))
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)
self.form.input_fd_specific_heat.setText("{} {}".format(sh_with_new_unit, sh_new_unit))
def add_transient_material(self, material):
material_name = self.get_material_name(material)