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LS-DYNA

LS-DYNA is a general purpose transient dynamic finite element program capable of simulating complex real world problems.   It is optimized for shared and distributed memory Unix, Linux, and Windows based, platforms.   

LS-DYNA Benchmarks to review -  Top Crunch
LS-DYNA papers to download - DYNALOOK 

LS-DYNA is fully QA'd by Livermore Software Technology Corporation
and runs on many hardware vendors and OS