How to select the optimized time step value for FEM solution of a ballistic impact problem?

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Can I cite data from an accepted conference paper?

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How to pass strain rate to subroutine in LS Dyna?

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Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

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Md. Washim Akram

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Dakshitha Weerasinghe

Emre Palta....This is when I play d3plots. I checked the model for initial penetrations but LS Dyna shows me its zero. I use automatic surface-surface for inter yaen contact and eroding contact for bullet-fabric. Default hourglass control. I do not know how to use time step. Can you help?