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B.H.V. Topping, A.I. Khan, J.K. Wilson, "Parallel Dynamic Relaxation and Domain Decomposition", in B.H.V. Topping, M. Papadrakakis, (Editors), "Advances in Parallel and Vector Processing for Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 215-232, 1994. doi:10.4203/ccp.20.6.3

Abstract

This paper examines three methods of domain decomposition for use with parallel Dynamic Relaxation, namely the Subdomain Generation Method, Farhat's Method and Simon's Method. The objective was to compare the computational time for exact load balancing as opposed to approximate load balancing. The sensitivity of the efficiency of the nonlinear analysis to the load balancing and inter-domain boundary nodes is examined. The nonlinear finite element analysis method, Dynamic Relaxation, is examined and a parallel algorithm with automatic domain decomposition interface presented. The total processing time incurred by each domain decomposition method has been measured for three examples. The Subdomain Generation Method was found to be the most efficient with respect to the overall processing time when the computational load was increased.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 20 ADVANCES IN PARALLEL AND VECTOR PROCESSING FOR STRUCTURAL MECHANICS Edited by: B.H.V. Topping and M. Papadrakakis Paper VI.3 Parallel Dynamic Relaxation and Domain Decomposition B.H.V. Topping, A.I. Khan and J.K. Wilson Heriot-Watt University, Edinburgh, United Kingdom doi:10.4203/ccp.20.6.3 purchase the full-text of this paper Full Bibliographic Reference for this paper B.H.V. Topping, A.I. Khan, J.K. Wilson, "Parallel Dynamic Relaxation and Domain Decomposition", in B.H.V. Topping, M. Papadrakakis, (Editors), "Advances in Parallel and Vector Processing for Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 215-232, 1994. doi:10.4203/ccp.20.6.3 Abstract This paper examines three methods of domain decomposition for use with parallel Dynamic Relaxation, namely the Subdomain Generation Method, Farhat's Method and Simon's Method. The objective was to compare the computational time for exact load balancing as opposed to approximate load balancing. The sensitivity of the efficiency of the nonlinear analysis to the load balancing and inter-domain boundary nodes is examined. The nonlinear finite element analysis method, Dynamic Relaxation, is examined and a parallel algorithm with automatic domain decomposition interface presented. The total processing time incurred by each domain decomposition method has been measured for three examples. The Subdomain Generation Method was found to be the most efficient with respect to the overall processing time when the computational load was increased. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £60 +P&P)
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