> Ok, it is just few lines anyway (with the dynamic approach). > > meanStress = ... > isoVelGrad += dt.(goal - meanStress)/mass;//or the "stiffness" one > velGrad[0][0] = velGrad[1][1] = velGrad[2][2] = isoVelGrad; I wanted to introduce matrix that would express the cross-dependencies. It would also make it possible to apply strain where εe=.5εy and so on.
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