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New publication for UMAT and VUMAT in ABAQUS

We performed a comprehensive study of a large class of Implicit and Explicit integration algorithms for Elastic-Plastic behaviors in Finite Element Analysis (FEA) developed in UMAT and VUMAT for ABAQUS and presented various unique results. We also showed detailed integration algorithms for both Associated and Non-Associated Flow Rules with mixed isotropic and kimenatic hardening with expandable number of internal variables (damage and etc).

Full bibliographic details:

Safaei, M., Lee, M.-G., & De Waele, W. (2015). Evaluation of stress integration algorithms for elastic–plastic constitutive models based on associated and non-associated flow rules. Computer Methods in Applied Mechanics and Engineering, 295, 414-445. doi:



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