Open Access Open Access  Restricted Access Subscription or Fee Access

Verification and Validation of a Generalized Orthotropic Material Model MAT213 Implemented in LS-DYNA

LOUKHAM SHYAMSUNDER, BILAL KHALED, NATHAN HOLT, CANIO HOFFARTH, SUBRAMANIAM RAJAN, ROBERT GOLDBERG, KELLY CARNEY, PAUL DUBOIS, GUNTHER BLANKENHORN

Abstract


A general orthotropic material model has been developed which is suitable for impact analysis. The material model is driven by tabulated data rather than point-wise material properties data, and has been implemented into LS-DYNA. The stress-strain behavior of a material is one of the input tabulated data used to drive the material model which can be obtained either from experiment or virtual testing or a combination of both. The material model consists of three sub-models – deformation, damage and failure. The implementation of the sub-models and some of the salient features are presented in this paper. The second part of the paper presents some of the validation tests carried out using a unidirectional fiber reinforced composite, T800/F3900.


DOI
10.12783/asc33/25926

Full Text:

PDF

Refbacks

  • There are currently no refbacks.