Dear Colleagues

I am doing Explicit Dynamic Analysis using ABAQUS. The sample is rectangular shaped deformable billet which is to be pressed in a certain direction to a certain strain level using a rigid plunger. When I define every thing and run the job, I receive the following error message

"The ratio of deformation speed to wave speed exceeds 1.0000 in at least one element. This usually indicates an error with the model definition"

I will be thankful if anyone could help me to resolve the issue.

Thanks,

Regards

Zahid

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