Abstract
The non-linear finite element method is employed to investigate the complicated, springback behaviour of doubly curved, titanium, sheet metal parts that are formed with reconfigurable tooling. The results of laboratory experiments confirm the predicted phenomena and the accuracy of the finite element simulations. To measure the magnitude of springback, the average normal distance quantity is proposed. Using this, the results of a parametric study with the non-linear finite element method on the magnitude of springback are presented, which follow the general trends predicted for simpler parts by elasto–plastic beam theory. Copyright © 1999 John Wiley & Sons, Ltd.
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