Negative Volume in FoamsLS-DYNA ENVIRONMENT LS-DYNA ENVIRONMENTOct 2010Preventing Negative Volume Solid Elements in Foam MaterialsNegative Volume in FoamsLS-DYNA ENVIRONMENTNegative volume errorsA typical error that can occur when modelling a foam material subjected to high loads and a large amount of compression is negative volume in the solid elements.This is were one face of a solid element passes through the other face.N1 N2N3 N4N1 N2N3 N4N1 N2N3 N4Negative Volume 110000 t 2.7432E-02 dt 4.38
