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Dear NextFEM Support Team:
As far as I can understand, the 2D finite element implemented by NextFEM Designer (triangle or quadrangle) is good to analyze a membrane problem using a plane stress formulation. What about a membrane problem using a plane strain formulation instead? Is that possible in NextFEM? This kind of formulation is very common in geotechnics problems.
Thanks in advance,
Luciano JacintoDear Luciano,
we support plane strain as well. To convert quad or tria elements to plane strain, select the elements, the use the command Edit / Change elem. type / select the option Is -> PlaneStrain and finally press Apply.Thank you very much for your support. Now I know how to solve a plane strain problem in NextFEM Designer.
I made some search in the NextFEMpy module (in GitHub) to see if there is a Python method equivalent to the “Change elem. type” command in the GUI, but I didn’t find any. Perhaps this command is not yet implemented in the API. Am I correct?
Thank you for the free version of NextFEM. It’s a nice tool.
LucianoYou’re right and we expected your enquiry – that’s why we’re adding the command to APIs in the next patch.
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