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W.J. Watkins, D. Kennedy and F.W. Williams

Division of Structural Engineering, School of Engineering, University of Wales College of Cardiff, Cardiff, Wales

doi:10.4203/ccp.14.13.3

W.J. Watkins, D. Kennedy, F.W. Williams, "Efficient Parallel Solution of Non-Linear Structural Eigenvalue Problems", in B.H.V. Topping, A.I. Khan, (Editors), "Information Technology for Civil & Structural Engineers", Civil-Comp Press, Edinburgh, UK, pp 235-244, 1993. doi:10.4203/ccp.14.13.3

Abstract

An efficient parallelisation of an existing sequential method for obtaining the eigenvalues of a structure by an exact analytical procedure is presented. Results. are given which illustrate finding the undamped natural frequencies of a rigidly jointed plane frame, but the method is also applicable to buckling problems and to other types of structure. The parallel method is suited to both distributed and shared memory parallel machines. It seeks to equate the work load of each processor (node) by initially sharing out the work and by subsequently passing work from working nodes to idle nodes. Experimental runs on an nCUBE2 computer show that reasonably high levels of efficiency are possible.

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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: 14 INFORMATION TECHNOLOGY FOR CIVIL & STRUCTURAL ENGINEERS Edited by: B.H.V. Topping and A.I. Khan Paper XIII.3 Efficient Parallel Solution of Non-Linear Structural Eigenvalue Problems W.J. Watkins, D. Kennedy and F.W. Williams Division of Structural Engineering, School of Engineering, University of Wales College of Cardiff, Cardiff, Wales doi:10.4203/ccp.14.13.3 purchase the full-text of this paper Full Bibliographic Reference for this paper W.J. Watkins, D. Kennedy, F.W. Williams, "Efficient Parallel Solution of Non-Linear Structural Eigenvalue Problems", in B.H.V. Topping, A.I. Khan, (Editors), "Information Technology for Civil & Structural Engineers", Civil-Comp Press, Edinburgh, UK, pp 235-244, 1993. doi:10.4203/ccp.14.13.3 Abstract An efficient parallelisation of an existing sequential method for obtaining the eigenvalues of a structure by an exact analytical procedure is presented. Results. are given which illustrate finding the undamped natural frequencies of a rigidly jointed plane frame, but the method is also applicable to buckling problems and to other types of structure. The parallel method is suited to both distributed and shared memory parallel machines. It seeks to equate the work load of each processor (node) by initially sharing out the work and by subsequently passing work from working nodes to idle nodes. Experimental runs on an nCUBE2 computer show that reasonably high levels of efficiency are possible. 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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