1998-02-23

FEM Analysis of Heat Deformation of Plastic Bumper 980108

In the evaluation of plastic components during vehicle development, a relatively large number of items are evaluated as rejectable due to heat deformation. To reduce the vehicle development lead time, it would be desirable to establish an analytical technology using CAE to forecast vehicle performance with high order prediction. In the current study, the authors used “ABAQUS”, a superior tool for non-linear structural analysis, to conduct an FEM analysis considering thermal dependency, creep characteristics, and oval(escape heat stress) hole structure for mounting components. The analytical results confirmed the usefulness of the resin bumper numerical solution of thermal displacement. This report describes these results.

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