[Material] add support for magnetic permeability

- also rename property group to "electromagnetic" (this change has no influence on any existing simulation, is only the name in the material editor)
2023-02-03 16:20:23 +01:00
parent 49a7a60311
commit d33005d14e
11 changed files with 27 additions and 11 deletions
--- a/src/Mod/Material/FluidMaterial/Air.FCMat
+++ b/src/Mod/Material/FluidMaterial/Air.FCMat
@@ -17,7 +17,8 @@ ThermalConductivity = 0.02587 W/m/K
 ; thermal expansion coefficient of ideal gas is 1/temperature
 ThermalExpansionCoefficient = 3.43e-3 1/K

-[Electrical]
+[Electromagnetic]
 RelativePermittivity = 1.00059
 ; at 18°C and 50Hz
 ElectricalConductivity = 1e-12 S/m
+RelativePermeability = 1.0
--- a/src/Mod/Material/FluidMaterial/Argon.FCMat
+++ b/src/Mod/Material/FluidMaterial/Argon.FCMat
@@ -18,6 +18,7 @@ ThermalConductivity = 0.018 W/m/K
 ; thermal expansion coefficient of ideal gas is 1/temperature
 ThermalExpansionCoefficient = 3.43e-3 1/K

-[Electrical]
+[Electromagnetic]
 RelativePermittivity = 1.000513
 ElectricalConductivity = 1e-15 S/m
+RelativePermeability = 1.0
--- a/src/Mod/Material/FluidMaterial/Carbon_dioxide.FCMat
+++ b/src/Mod/Material/FluidMaterial/Carbon_dioxide.FCMat
@@ -18,6 +18,7 @@ ThermalConductivity = 0.016242 W/m/K
 ; thermal expansion coefficient of ideal gas is 1/temperature
 ThermalExpansionCoefficient = 3.43e-3 1/K

-[Electrical]
+[Electromagnetic]
 RelativePermittivity = 1.0009217
 ElectricalConductivity = 1e-12 S/m
+RelativePermeability = 1.0
--- a/src/Mod/Material/FluidMaterial/Nitrogen.FCMat
+++ b/src/Mod/Material/FluidMaterial/Nitrogen.FCMat
@@ -18,6 +18,7 @@ ThermalConductivity = 25.83e-3 W/m/K
 ; thermal expansion coefficient of ideal gas is 1/temperature
 ThermalExpansionCoefficient = 3.43e-3 1/K

-[Electrical]
+[Electromagnetic]
 RelativePermittivity = 1.00058
 ElectricalConductivity = 1e-12 S/m
+RelativePermeability = 1.0
--- a/src/Mod/Material/FluidMaterial/Water.FCMat
+++ b/src/Mod/Material/FluidMaterial/Water.FCMat
@@ -19,7 +19,8 @@ ThermalConductivity = 0.591 W/m/K
 ; https://en.wikipedia.org/wiki/Water
 ThermalExpansionCoefficient = 2.07e-4 m/m/K

-[Electrical]
+[Electromagnetic]
 RelativePermittivity = 80.0
 ; at 20°C and 50Hz
 ElectricalConductivity = 5.5e-6 S/m
+RelativePermeability = 0.999992
--- a/src/Mod/Material/StandardMaterial/Aluminum-Generic.FCMat
+++ b/src/Mod/Material/StandardMaterial/Aluminum-Generic.FCMat
@@ -21,5 +21,6 @@ SpecificHeat = 897.0 J/kg/K
 ThermalConductivity = 237.0 W/m/K
 ThermalExpansionCoefficient = 23.1 µm/m/K

-[Electrical]
+[Electromagnetic]
 ElectricalConductivity = 370370.4 S/m
+RelativePermeability = 1.0
--- a/src/Mod/Material/StandardMaterial/Copper-Generic.FCMat
+++ b/src/Mod/Material/StandardMaterial/Copper-Generic.FCMat
@@ -22,5 +22,6 @@ SpecificHeat = 385.0 J/kg/K
 ThermalConductivity = 398.0 W/m/K
 ThermalExpansionCoefficient = 16.5 µm/m/K

-[Electrical]
+[Electromagnetic]
 ElectricalConductivity = 588235.3 S/m
+RelativePermeability = 0.999994
--- a/src/Mod/Material/StandardMaterial/Graphite.FCMat
+++ b/src/Mod/Material/StandardMaterial/Graphite.FCMat
@@ -24,9 +24,10 @@ SpecificHeat = 0,72 kJ/kg/K
 ThermalConductivity = 96,000 W/m/K
 ThermalExpansionCoefficient = 8e-6 1/K

-[Electrical]
+[Electromagnetic]
 RelativePermittivity = 0.7
 ElectricalConductivity = 2e4 S/m
+RelativePermeability = 1.0

 [UserDefined]
 MolarMass = 12
--- a/src/Mod/Material/StandardMaterial/Invar-Generic.FCMat
+++ b/src/Mod/Material/StandardMaterial/Invar-Generic.FCMat
@@ -21,5 +21,5 @@ SpecificHeat = 515.0 J/kg/K
 ThermalConductivity = 13.5 W/m/K
 ThermalExpansionCoefficient = 1.25 µm/m/K

-[Electrical]
+[Electromagnetic]
 ElectricalConductivity = 1250000 S/m
--- a/src/Mod/Material/StandardMaterial/TEMPLATE.FCMat
+++ b/src/Mod/Material/StandardMaterial/TEMPLATE.FCMat
@@ -110,7 +110,7 @@ ThermalConductivity =
 ; https://en.wikipedia.org/wiki/Volumetric_thermal_expansion_coefficient
 ThermalExpansionCoefficient =

-[Electrical]
+[Electromagnetic]
 ; The ratio to the permittivity of the vacuum
 ; https://en.wikipedia.org/wiki/Relative_permittivity
 RelativePermittivity =
@@ -119,6 +119,10 @@ RelativePermittivity =
 ; https://en.wikipedia.org/wiki/Electrical_resistivity_and_conductivity
 ElectricalConductivity =

+; The ratio to the permeability of the vacuum
+; https://en.wikipedia.org/wiki/Permeability_(electromagnetism)
+RelativePermeability =
+

 [Architectural]
 ; Description to be updated
--- a/src/Mod/Material/Templatematerial.yml
+++ b/src/Mod/Material/Templatematerial.yml
@@ -155,7 +155,7 @@
      Type: 'Quantity'
      URL: 'https://en.wikipedia.org/wiki/Volumetric_thermal_expansion_coefficient'
      Description: "Thermal expansion coefficient (linear) in [FreeCAD ThermalExpansionCoefficient unit]"
- Electrical:
+- Electromagnetic:
    RelativePermittivity:
      Type: 'Float'
      URL: 'https://en.wikipedia.org/wiki/Relative_permittivity'
@@ -164,6 +164,10 @@
      Type: 'Quantity'
      URL: 'https://en.wikipedia.org/wiki/Electrical_resistivity_and_conductivity'
      Description: "The electrical conductivity in [FreeCAD ElectricalConductivity unit]"
+    RelativePermeability:
+      Type: 'Float'
+      URL: 'https://en.wikipedia.org/wiki/Permeability_(electromagnetism)'
+      Description: "The ratio to the permeability of the vacuum"
 - Architectural:
    Color:
      Type:  'String'