Hi all, I am having some thoughts about the suitable time step to choose in a simulation. A the moment in Yade we have two (three) possibilities:
1) PWave time step (could you give me some references on this, please) 2) GSTS 3) A fixed constant value set by the user Now I am not sure that for the explicit scheme we are using and for the case of non linear relationship between forces and displacements (that is of my interest) we end up with the critical time step for the system using one of the above. Has anyone tested this aspect before? Do you have any references to suggest me that eventually touch this issue (if any)? I am not even sure why, if I use the GSTS, I should give the tangential stiffnesses and not the secant values as input. In summary, do you see any limit of applicability for the use of GSTS? Thanks for your comments, Chiara
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