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A parallel finite element procedure for contact-impact problems

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Abstract

An efficient parallel finite element procedure for contact-impact problems is presented within the framework of explicit finite element analysis with thepenalty method. The procedure concerned includes a parallel Belytschko-Lin-Tsay shell element generation algorithm and a parallel contact-impact algorithm based on the master-slave slideline algorithm. An element-wise domain decomposition strategy and a communication minimization strategy are featured to achieve almost perfect load balancing among processors and to show scalability of the parallel performance. Throughout this work, a prototype code, named GT-PARADYN, is developed on the IBM SP2 to implement the procedure presented, under message-passing paradigm. Some examples are provided to demonstrate the timing results of the algorithms, discussing the accuracy and efficiency of the code.

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Correspondence to Jason Har.

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Har, J., Fulton, R. A parallel finite element procedure for contact-impact problems. Eng. Comp. 19, 67–84 (2003). https://doi.org/10.1007/s00366-003-0252-4

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  • DOI: https://doi.org/10.1007/s00366-003-0252-4

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