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by bernd
Thu Oct 22, 2020 5:37 pm
Forum: Developers corner
Topic: create a FreeCADGui Qt widget instead of QtGui Qt widget
Replies: 4
Views: 111

Re: create a FreeCADGui Qt widget instead of QtGui Qt widget

wmayer wrote:
Thu Oct 22, 2020 7:53 am

Code: Select all

ui = Gui.UiLoader()
w = ui.createWidget("Gui::PrefFileChooser")

how do I set a path or file? How do I get a file or path?

Code: Select all

ui = Gui.UiLoader()
w = ui.createWidget("Gui::PrefFileChooser")
w.__dir__()
type(w)
I can not find anything in this regard in there ...
by bernd
Thu Oct 22, 2020 4:41 pm
Forum: FEM
Topic: Same Identifier used for different Mesh Elements
Replies: 2
Views: 280

Re: Same Identifier used for different Mesh Elements

- be careful with renumbering. Try saving the FreeCAD file and reloading ... - FreeCAD FEM uses SMESH for FEM mesh datastructure. Inside a FreeCAD file any FEM mesh will be saved a unv mesh. The unv writer of SMESH does renumber the nodes if they do not start with 1 or if they have free spaces. Thus...
by bernd
Thu Oct 22, 2020 4:37 pm
Forum: FEM
Topic: Mesh Settings
Replies: 83
Views: 10035

Re: Mesh Settings

- load the file, mesh the mesh, do not change anything ...

example_problem_bernd.FCstd
(23.36 KiB) Downloaded 6 times
by bernd
Thu Oct 22, 2020 4:32 pm
Forum: FEM
Topic: Mesh Settings
Replies: 83
Views: 10035

Re: Mesh Settings

like this ...

screen.png
screen.png (282.48 KiB) Viewed 16 times

screen2.png
screen2.png (37.93 KiB) Viewed 15 times
by bernd
Thu Oct 22, 2020 4:13 pm
Forum: FEM
Topic: Elemer and CalculiX give different results
Replies: 4
Views: 93

Re: Elemer and CalculiX give different results

the use of four loads in FreeCAD does not help either. One seams to need edit the input file ... :evil:


FemCalculixCantilever3D_workaround.FCStd
(38.98 KiB) Downloaded 6 times

screen3.png
screen3.png (391.8 KiB) Viewed 45 times

screen4.png
screen4.png (84.55 KiB) Viewed 44 times
by bernd
Thu Oct 22, 2020 4:06 pm
Forum: FEM
Topic: Elemer and CalculiX give different results
Replies: 4
Views: 93

Re: Elemer and CalculiX give different results

tested the calculix cantilever. yep 4 times deflection ... -350 mm instead of -87 mm

damn this is a bad one. It needs to be fixed ... I am on the way for a few days ...

FemCalculixCantilever3D.FCStd
(69.17 KiB) Downloaded 6 times

screen1.png
screen1.png (386.02 KiB) Viewed 50 times

screen2.png
screen2.png (154.86 KiB) Viewed 50 times
by bernd
Thu Oct 22, 2020 3:52 pm
Forum: FEM
Topic: Elemer and CalculiX give different results
Replies: 4
Views: 93

Re: Elemer and CalculiX give different results

thanks thomas. does it mean we do have a bug in the elmer input file writer?

Does it mean with 4 holes we would have 4 times deflection?
by bernd
Thu Oct 22, 2020 2:12 pm
Forum: FEM
Topic: FEM Example Capacitance Two Balls, error
Replies: 2
Views: 88

Re: FEM Example Capacitance Two Balls, error

Hey :D , I am a beginner on the freeCad software and i am trying to learn the software by following the example FEM Example Capacitance Two Balls. However when i try to run i keep on getting the error 'Warning: Ignored constraint ConstantVacuumPermittivity.' can you please help on how to solve this...
by bernd
Thu Oct 22, 2020 12:59 pm
Forum: FEM
Topic: Elemer and CalculiX give different results
Replies: 4
Views: 93

Elemer and CalculiX give different results

Attached a file with a solver Elmer and Calculix. Make sure the unit system is standard = mm/kg/s/degree The results are diffent ...

- Calculix gives 5.57 mm negative z-deflection
- Elmer gives 11.142 mm negative z-deflection

Would someone confirm?

Bracket_BHA1.FCStd
(934.99 KiB) Downloaded 9 times
by bernd
Thu Oct 22, 2020 10:31 am
Forum: Open discussion
Topic: How to translation the buiding model by mouse that generated by GeoData Workbench?
Replies: 2
Views: 88

Re: How to translation the buiding model by mouse that generated by GeoData Workbench?

confirmed. Attached a file to test. - start FreeCAD - load file - RMT on the object --> Transform OS: Windows 10 (10.0) Word size of OS: 64-bit Word size of FreeCAD: 64-bit Version: 0.19.22756 (Git) Build type: Release Branch: master Hash: ce87f586ee36ffe8ebcdcd3947ced4ab389ae795 Python version: 3.6...

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