Defining constraints, initial velocities, and contact interfaces. The Keyword File Structure
Create a material card. For introductory purposes, use *MAT_001 ( *MAT_ELASTIC ). For crash simulations, use *MAT_024 ( *MAT_PIECEWISE_LINEAR_PLASTICITY ). ls-dyna tutorial pdf
LS-DYNA also features an implicit solver, which is better suited for static or low-frequency dynamic problems, such as post-crash springback analysis. Keyword Input File Structure ls-dyna tutorial pdf