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FEM: constants, fix unit of permitivity of vacuum

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This commit is contained in:
Bernd Hahnebach
2020-05-21 16:53:14 +02:00
parent 9718a50c3a
commit 71416d0bcf
2 changed files with 5 additions and 2 deletions
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3
src/Mod/Fem/femsolver/elmer/writer.py
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@@ -340,7 +340,8 @@ class Writer(object):
def _handleElectrostaticConstants(self):
self._constant(
"Permittivity Of Vacuum",
getConstant("PermittivityOfVacuum", "T^4*I^2/(L*M)"))
getConstant("PermittivityOfVacuum", "T^4*I^2/(L^3*M)"))
# https://forum.freecadweb.org/viewtopic.php?f=18&p=400959#p400959
def _handleElectrostaticMaterial(self, bodies):
for obj in self._getMember("App::MaterialObject"):

4
src/Mod/Fem/femtools/constants.py
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@@ -41,7 +41,9 @@ def stefan_boltzmann():
def permittivity_of_vakuum():
return "8.8542e-12 s^4*A^2/(m*kg)"
# https://forum.freecadweb.org/viewtopic.php?f=18&p=400959#p400959
return "8.8542e-12 s^4*A^2 / (m**3 * kg)"
def boltzmann_constant():