RECENT DEVELOPMENTS IN NIKE2D FOR METALFORMING ANALYSIS AND LOW RATE IMPACT

Analyses involving low rate impact and metalforming processes with large distortions require a robust, large deformation, finite element capability with good contact algorithms. The rapidly evolving NIKE codes are ideally suited for these types of problems. This paper highlights new metalforming simulation capabilities developed at Lawrence Livermore National Laboratory, including rezoning, adaptive time step and solution strategies, and new constutive models. Numerical examples illustrating the performance and application of NIKE2D are presented.