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FEM: fix, transient material was used in some cases even if material was not changed

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Bernd Hahnebach
2016-01-26 07:10:43 +01:00
parent 5c7905742a
commit b4642c952d
2 changed files with 26 additions and 16 deletions
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36
src/Mod/Fem/_TaskPanelMechanicalMaterial.py
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@@ -113,28 +113,38 @@ class _TaskPanelMechanicalMaterial:
def ym_changed(self, value):
import Units
# FreeCADs standard unit for stress is kPa
old_ym = Units.Quantity(self.material['YoungsModulus'])
if old_ym != value:
material = self.material
# FreeCAD uses kPa internall for Stress
material['YoungsModulus'] = unicode(value) + " kPa"
self.material = material
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
def density_changed(self, value):
import Units
# FreeCADs standard unit for density is kg/mm^3
old_density = Units.Quantity(self.material['Density'])
if old_density != value:
material = self.material
material['Density'] = unicode(value) + " kg/mm^3"
self.material = material
variation = 0.001
if value:
if not (1 - variation < float(old_density) / value < 1 + variation):
# density has changed
material = self.material
material['Density'] = unicode(value) + " kg/mm^3"
self.material = material
def pr_changed(self, value):
import Units
old_pr = Units.Quantity(self.material['PoissonRatio'])
if old_pr != value:
material = self.material
material['PoissonRatio'] = unicode(value)
self.material = material
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
def choose_material(self, index):
if index < 0: