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Investigation of Accuracy Improvement on Crashworthiness Simulation with Pre-Simulation of Metal Forming.

To improve the accuracy of crashworthiness simulation, it is preferable to consider the effects of metal forming. However, this approach was difficult in practice since analyzing the stamping simulation in detail requires much work. This paper describes the influence of residual strain, work hardening and material thickness changes resulting from the stamping process on the crashworthiness simulation. In almost all impact load cases, the results show that deformation is reduced by the work hardening effects. These results are verified by actual experimental data.

application/pdf B-III-01.pdf — 2.7 MB