Learning Forum

[s2671695]

I am attempting to crush a block of MAT_63 Crushable foam between a completely constrained plate and a plate with 300kg mass. The simulation gives this output and the material just infinitely expands. Would anyone know any possible errors? Thanks.

[ErKo]

 

Hi

 

This material can be tricky to use perhaps.

 

I would suggest to run some simple benchmarks to get a feel for it like here:

EMAS Core Material Modeling with LS-DYNA With Lagrangian meshes and the LS-DYNA FEA explicit solver, Mat #63 – Crushable Foam is used to simulate the Phenolic foam – a candidate material for an EMAS …

All the best

 

Erik