Hello there !
I am new with FreeCAD. Can someone say me if it is possible to make FEM calculus with variable loads like for instance the evolution of the pressure along the axis of a solid rocket motor ?
Best regards,
MW57
FEM with variable boundaries
Moderator: bernd
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Re: FEM with variable boundaries
welcome to FreeCAD FEM. Make sure to read https://forum.freecadweb.org/viewtopic.php?f=18&t=12212
Would you like to do one analysis which has a changing the load value along an axis, or would you like to do multiple analysis with changing load value in each analysis?
cheers bernd
Re: FEM with variable boundaries
Hello,
I would like to do one analysis which has a changing of the load value along an axis. But additionally the burning surface of the propellant is evolving during time in a solid rocket motor. So I look for a solution to do CFD applied to this problem. Perhaps with OpenFOAM if it is possible to do geometry surfaces evolving during time and hence during calculus ?
Best Regards,
MW57
I would like to do one analysis which has a changing of the load value along an axis. But additionally the burning surface of the propellant is evolving during time in a solid rocket motor. So I look for a solution to do CFD applied to this problem. Perhaps with OpenFOAM if it is possible to do geometry surfaces evolving during time and hence during calculus ?
Best Regards,
MW57
Re: FEM with variable boundaries
In the regard of CFD with OpenFoam you should make a post in OpenFoam part of the forum.
There is ATM no constraint to apply a load with changing value. You would have to do this manually by adding multiple constraints with different load values. I would start with rought values and only rare different values. If it works I would add as many constraints as needed but with Python. With a few lines of Python this is nearly as comfortable as with a Gui.
There is ATM no constraint to apply a load with changing value. You would have to do this manually by adding multiple constraints with different load values. I would start with rought values and only rare different values. If it works I would add as many constraints as needed but with Python. With a few lines of Python this is nearly as comfortable as with a Gui.