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FEM: task panels, improve units value handling

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This commit is contained in:
Bernd Hahnebach
2021-08-17 21:31:25 +02:00
parent 6c977d8511
commit 40d29fe329
5 changed files with 30 additions and 34 deletions
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32
src/Mod/Fem/femtaskpanels/task_material_common.py
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@@ -427,8 +427,10 @@ class _TaskPanel:
)
self.material["YoungsModulus"] = "0 MPa"
if "PoissonRatio" in self.material:
# PoissonRatio does not have a unit, but it is checked it there is no value at all
# PoissonRatio does not have a unit, but it is checked if there is no value at all
try:
# next line with float() is ok
# a quantity of a empty string returns very small value, would be wrong here
float(self.material["PoissonRatio"])
except ValueError:
FreeCAD.Console.PrintMessage(
@@ -645,55 +647,55 @@ class _TaskPanel:
def set_mat_params_in_input_fields(self, matmap):
if "YoungsModulus" in matmap:
ym_new_unit = "MPa"
ym = FreeCAD.Units.Quantity(matmap["YoungsModulus"])
ym = 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))
q = 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 = 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))
q = Units.Quantity("{} {}".format(nu_with_new_unit, nu_new_unit))
self.parameterWidget.input_fd_kinematic_viscosity.setText(q.UserString)
# For isotropic materials and fluidic material
# use the volumetric thermal expansion coefficient
# is approximately three times the linear coefficient for solids
if "VolumetricThermalExpansionCoefficient" in matmap:
vtec_new_unit = "m^3/m^3/K"
vtec = FreeCAD.Units.Quantity(matmap["VolumetricThermalExpansionCoefficient"])
vtec = 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))
q = 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 = 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))
q = 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 = 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))
q = 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 = 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))
q = 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 = 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))
q = 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 **************************************************************