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Applications of Supercomputers in Engineering II PDF

541 Pages·1991·20.72 MB·English
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Applications of Supercomputers in Engineering II SECOND INTERNATIONAL CONFERENCE ON APPLICATIONS OF SUPERCOMPUTERS IN ENGINEERING ASE/91 SCIENTIFIC COMMITTEE C.A. Brebbia R. Hiromoto D. Howard A. Jameson A. Peters A. Lin R.D. Ciskowski Y. Paker D.J. Evans E. Schnepf W. Gentzsch T. Takeda F.K. Hebeker Applications of • Supercomputers In Engineering II Editors: C.A. Brebbia, Wessex Institute of Technology, U.K. D. Howard, Oxford University, U.K. A. Peters, IBM Scientific Center, Germany. Compuational Mechanics Publications Southampton Boston CMP Co-published with Elsevier Applied Science London New York C.A. Brebbia D. Howard Wessex Institute of Technology Computing Laboratory Computational Mechanics Institute Oxford University Ashurst Lodge, Ashurst 11 Keble Road Southampton S04 2AA Oxford OX1 3QD UK UK A. Peters IBM Scientific Center Institute for Supercomputing Tiergartenstr 15 PO Box 103068 D-6900 Heidelberg Germany Co-published by Computational Mechanics Publications Ashurst Lodge, Ashurst, Southampton, UK Computational Mechanics Publications Ltd Sole Distributor in the USA and Canada: Computational Mechanics Inc. 25 Bridge Street, Billerica, MA 01821, USA and Elsevier Science Publishers Ltd Crown House, Linton Road, Barking, Essex IGll 8JU, UK Elsevier's Sole Distributor in the USA and Canada: Elsevier Science Publishing Company Inc. 655 Avenue of the Americas, New York, NY 10010, USA British Library Cataloguing-in-Publication Data A Catalogue record for this book is available from the British Library ISBN 1-85166-695-8 Elsevier Applied Science, London, New York ISBN 1-85312-118-5 Computational Mechanics Publications, Southampton ISBN 1-56252-052-0 Computational Mechanics Publications, Boston, USA Library of Congress Catalog Card Number 91-72946 No responsibility is assumed by the Publishers for any injury and/or damage to persons or property as a matter of products liability, negligence or otherwise, or from any use or operation of any methods, products, instructions or ideas contained in the material herein. ©Computational Mechanics Publications 1991 AI! rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopy- ing, recording, or otherwise, without the prior written permission of the publisher. PREFACE This book comprises an edited version of the Proceedings of the 2nd Interna- tional Conference on Applications of Supercomputers in Engineering which took place at the Massachusetts Institute of Technology, Cambridge, USA during August 1991. The Conference was organized by the Wessex Insti- tute of Technology, Southampton, UK with the support of the International Society for Boundary Elements. The first International Conference on Ap- plications of Supercomputers in Engineering held in Southampton, UK in September 1989 was a very successful meeting and the resulting Conference Proceedings are now widely distributed throughout the world. The revolutionary aspects of the next generation of computers are now fully recognised by many engineers and scientists. Vector and parallel computers form the basis of the computing power needed to address the complex prob- lems with which engineers are faced. The new machines not only increase the size of the problems which can be solved, but also require a different computational approach to obtain the most efficient results. The book includes papers on topics related to modern computer architec- ture and their relevance to engineering calculations, development of new computer algorithms, their application to solve engineering problems and further trends in engineering software, particularly as related to new hard- ware. The Volume is divided into the following sections: 1. Parallel Processing 2. Visualization and Graphics 3. Performance 4. Applications in Fluid Flow 5. Applications in Structural Mechanics The Editors are grateful to all the authors for their excellent contributions and in particular to the members of the International Scientific Advisory Committee for their help. They hope that this volume will increase the awareness of the potential of new supercomputers amongst engineers and scientists. The Editors Southampton, August 1991 CONTENTS SECTION 1: PARALLEL PROCESSING Multi Block Flow Solvers for Use on Parallel Computers 3 J.B. Vos, C.M. Bergman Difficulties in Parallelising Efficient Sequential Codes 19 D.J. Gavaghan, C.S. Gwilliam, J.S. Rollett Mixed Parallelism for Single Alternating 37 Group Explicit Method M. Carmignani, A. Genco, G. Pecorella The Parallel Processing Concept on the 51 Siemens Nixdorf S Series and its Use in Engineering Applications E. Schnepf Parallelism in the Bounc.ary Element Method: 61 fine grain and course grain A.J. Davies Tds2gks: Breaking the TDS Text Barrier 73 G.J. Porter, S.N. Lonsdale, B.M. Hutson Operating System Support for a Parallel ~7 Cellular System F.F. Cai, M.E. C. Hull SECTION 2: VISUALIZATION AND GRAPHICS Opening a Window on the Simulation of 105 a Total Artificial Heart M. Arabia, L. Moltedo, F. Pistella Modelling and Visualization of Impact 121 Dynamic Processes W. Cheng, I. Dilber Crosshole Tomography Animation in X Windows 135 with Convex-2/IBM RS 6000 Client-Server Display Connection G.G. Johnson SECTION 3: PERFORMANCE A Critical Discussion of Supercomputer Architectures 151 for Engineering Applications W. Schonauer, H. Hafner A High Performance Vector-Parallel Skyline 163 Solver Using Level 3 BLAS D.F. Lozupone Exploitation of Data in Memory in the FIDAP 179 Code on the IBM ES/3090 V. Zecca A Recursive Database Query Language on an 191 Object-Oriented Processor L. Natanson, W. Samson, A. Wakelin A Reverse Communication Interface for "Matrix-free" 207 Preconditioned Iterative Solvers M.A. Heroux Knowledge Modeling and Model-Based Problem Solving- 215 Towards a Multi-Use Engineering Knowledge Base H. Ueno, Y. Yamamoto, H. Fukuda Empirical Results of a Hybrid Monte Carlo Method 233 for the Solution of Poisson's Equation R.E. Hiromoto, R.C. Brickner SECTION 4: APPLICATIONS IN FLUID FLOW Implementation and Application of the 243 Multiblock NSFLEX Navier-Stokes Solver K.M. Wan ie, M.A. Schmatz A Comparison of Differential Systems and 259 Numerical Methods for the Computation of Smooth Oceanographic Flows C.L. Browning, W.R. Holland, H.-O. Kreiss Study of Incompressible Flow with 3D 277 Finite Elements D. Howard Preconditioning Techniques for the Numerical 293 Solution of the Stokes Problem J. Atanga, D. Silvester Prediction of Swirling Flow in a Corrugated 307 Channel F.S. Henry, M. W. Collins, M. Ciofalo On the Numerical Simulation of Shock Waves in 319 an Annular Crevice and its Implementation on the IBM ESj3090 with Vector Facility R.J. Gathmann, F.K. Hebeker, S. Schaffel High Speed Laminar Flows Over Cavities 331 D.R. Emerson, D.I.A. Poll Efficient Implementation of CG-type Algorithms 347 for STAR-CD Flow Solver M. Marrone, G. Radicati, F. Stella, M. Maggiore Analysis of the Residual Optimization Potential 359 and Runtime Analysis of the GW code on SNI Supercomputers B. Romunde, H. Daniels, J. Neises, U. Proff A Comparison of Two Algorithms Vectorized 373 to Solve Transient, Convective Heat Transfer on Supercomputers S. Ganesh, W.C. Schreiber, C.H. Chuan, M.A.R. Sharif Symmetric Versus Non-Symmetric Matrix Techniques: 387 Implementation of Two Galerkin-FE Approaches for the Advection-Dispersion Equation A. Peters, M. Eiermann, H. Daniels Numerical Simulation of Transient Response 403 for Room Acoustic Design - Proposition of the Phase Element Integration Method (PEIM) M. Tsuboi Simulation of Nonlinear Contaminant Transport 419 in Groundwater by a Higher Order Godunov-Mixed Finite Element Method C. Dawson Time-Parallel Multigrid Solution of the 435 N avier-Stokes Equations G. Horton A Finite Element Formulation for Nonlinear Wave 447 Propagation with Application to Cavitation G. Sandbery SECTION 5: APPLICATIONS IN STRUCTURAL MECHANICS Supercomputers in Materials Science 465 J.M. Hyde, A. Cerezo, M.G. Hetherington, G.D. W. Smith Supercomputer Applications in the 481 Civil Engineering Field T. Takeda, Y. Omote, H. Eto, A. Kawaguchi Dynamic Finite Element Analysis of Viscoelastically 495 Damped Composite Structures H.H. Hilton, S. Yi Thickness-Shear Mode Shapes and Mass-Frequency 513 Influence Surface of a Circular and Electroded At-Cut Quartz Resonator J. T. Stewart, Y.-K. Yong Optimization of Boundary Elements Performance 529 on Supercomputers A. Elzein Supercomputer Application in Inelastic Stability 545 of 22-Story Steel Pino-Suarez Complex F. Y. Cheng, J.-F. Ger Authors' Index 561 SECTION 1: PARALLEL PROCESSING

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