Ansys Learning Forum Forums Discuss Simulation LS Dyna Need some help in *CONTROL_IMPLICIT_DYNAMICS (LSDyna) Reply To: Need some help in *CONTROL_IMPLICIT_DYNAMICS (LSDyna)

Ushnish Basu
Ansys Employee

These are the parameters for the Newmark-beta method, e.g. see

https://en.wikipedia.org/wiki/Newmark-beta_method

(or do a Google search for various detailed notes and explanations)

The values of 0.6 ad 0.38 add some numerical damping in contrast to the default values

You should not change these values without good reason