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http://dx.doi.org/10.3795/KSME-A.2006.30.11.1447

Parallel Contact Treatment and Parallel Performance of Impact Simulation Based on Lagrangian Scheme  

Back, Seung-Hoon (서울대학교 대학원 기계항공공학부)
Kim, Seung-Jo (서울대학교 기계항공공학부, 비행체특화센터)
Lee, Min-Hyung (세종대학교 기계항공우주공학부)
Publication Information
Transactions of the Korean Society of Mechanical Engineers A / v.30, no.11, 2006 , pp. 1447-1454 More about this Journal
Abstract
The evaluation of parallel performance of a high speed impact simulation is not an easy task because not only the development of parallel explicit code is difficult but also a large number of processors is not easily accessible. In this paper, the parallel performance of a new Lagrangian FEM impact code carried out on cluster supercomputer has been described in high speed range. In the case of metal sphere impacting to oblique plate, the overall speed-up continuously increases even up to 128 CPUs. Investigation of elapsed time of each part reveals that most of the inefficiency comes from the load imbalance of contact.
Keywords
Parallel Computing; Explicit FE Method; High Speed Impact; Parallel Performance;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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