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Hi there; I am trying to simulate a soil mixture with high damping but the Rayleigh damping formulation results in frequency dependent damping, in contrast to experiments that show that the damping of soil is mostly frequency independent. So I want to change the rayleigh command. Where do I find sou...

Hi there; I am trying to simulate a soil mixture with high damping but the Rayleigh damping formulation results in frequency dependent damping, in contrast to experiments that show that the damping of soil is mostly frequency independent. So I want to change the rayleigh command. Where do I find sou...