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Hi, I am using the library Fisica and I am confused on how to make a Joint be detectable when a body pass through it? Basically, I would like to create a soft material based on a mesh of springs and masses (kind of like in FE analysis), but when the mesh is too compressed by another body, then some of the surface masses get stuck inside the mesh of internal masses, and it's hard for them to go back to their original state (even with no damping).
In the end, it introduces some kind of plastic deformation in the material, while I would like to have a perfectly elastic one.