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Abstract: By introducing rigid plastic constitution relationship, the
numerical manifold method (NMM)analyzing system for simulating the metal
forming process is put forward. The remeshing problem for simulating the
metal forming process is also studied. As an example, the forging process
of gear blank is numerically simulated. The numerical example shows that
the theory is correct and the calculating method is effective. The NMM
is quite suitable for simulating the metal forming process
Key words: Numerical manifold method Remesh Metal forming
CLC No: O241
广东省自然科学基金资助项目(994396). Received 20010428, received in revised form
20010828
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