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3D, or 4D matrix, what form their multiply operation or inverse matrix will be? Is there any paper study them or use the studies about them?
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I want to get an expression like 'du/dt', then copy the TEX code to my paper. And if I want to use this expression again, I could set 'v=u' and then get a new expression 'dv/dt'. however, the...
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I want to do a simulation about a plate or membrane-based model. Because of the non-linearity, I tried Abaqus - that's good. In many papers, NASTRAN was used, and the answer was similar to Abaqus....
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There are many free FEM programs under GPL, such as DUNE, FreeCASE, z88, Hermes, etc. Which one should we choose to follow? Have there been any articles which compare them?
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there are many codes online but written in different languages. Which ones should I choose? I heard that the biggest database of FEA source codes are written with FORTRAN. Was it a stupid choice...
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