IFIP

PDE SOFTWARE: Modules, Interfaces and Systems

Proceedings of the IFIP TC 2 Working Conference on
PDE Software: Modules, Interfaces and Systems
Söderköping, Sweden, 22-26 August, 1983

edited by

Björn ENGQUIST and Tom SMEDSAAS
Department of Computer Science
University of Uppsala
Sweden

Dedicated to the memory of N. N. Yanenko

1984, NORTH-HOLLAND, AMSTERDAM - NEW YORK - OXFORD
ISBN 0-444-87620-0

TABLE OF CONTENTS

PREFACE							  	  v
SESSION 1: Chair: B. Einarsson, Discussant: I.S. Duff 
TREESOLVE, A Fortran Package for Solving Large Sets of Linear
Finite-Element Equations
J.K. REID							  1

SESAM'80: A Modular Finite Element System for Analysis of
Structures
P.E. BJØRSTAD							 19

A Portable Vector-Code for Autonomous Multigrid Modules
P.W. HEMKER, P. WESSELING and P.M. de ZEEUW			 29
SESSION 2: Chair: R.W. Hockney, Discussant: P.W. Hemker 
The Redesign and Vectorization of the SLDGL-Program Package
for the Selfadaptive Solution of Nonlinear Systems of
Elliptic and Parabolic PDE's
W. SCHöNAUER, E. SCHNEPF and K. RAITH				 41

Partitioning and Allocation of PDE Computations in
Distributed Systems
C.E. HOUSTIS, E.N. HOUSTIS and J.R. RICE			 67

A Software Package for Stability Analysis of Difference Methods
M. THUNÉ					 		 89

The "Vector Machine": An Approach to Simple Programming on
CRAY-1 and Other Vector Computers
A. BOSSAVIT		 					103
SESSION 3: Chair: D.M. Young, Discussant: M.H. Wright 
Software Parts for Elliptic PDE Software
J.R. RICE							123

An Effective Methodology for PDE Software Development
L.-K. CHEN, T.K. ECCLES, J.C. MEZA, G.O. MORRELL,
A.H. SHERMAN and W.J. SILLIMAN					139

Package ADM for Studying Long-range Transport of Pollutants
in the Atmosphere
Z. ZLATEV, R. BERKOWICZ and L.P. PRAHM				153
SESSION 4: Chair: B. Ford, Discussant: Å. Björck 
Problem Solving Environment for Partial Differential
Equations: The User Perspective
M. MACHURA							171

The ITPACK Software Package
D.M. YOUNG and D.R. KINCAID					193

MOLAG: A Method Of Lines Adaptive Grid Interface for
Nonlinear Partial Differential Equations
N.K. MADSEN							207

Applications of TWODEPEP
G. SEWELL							225
SESSION 5: Chair: C.L. Lawson, Discussant: D.K. Sayers 
Software Development Based on Multigrid Techniques
K. STÜBEN, U. TROTTENBERG and K. WITSCH				241

GRIDPACK: Toward Unification of General Grid Programming
A. BRANDT and D. OPHIR						269
SESSION 6: Chair: H. Stetter, Discussant: N.K. Madsen 
Efficiency of the Numerical Algorithms and the
Decomposition Principle for Modern Computers
N.N. YANENKO							291

Software for Time-Dependent Problems
M. BERZINS, P.M. DEW and R.M. FURZELAND				309

ODE Solvers for Time-Dependent PDE Software
A.C. HINDMARSH							325
SESSION 7: OPEN SESSION: Chair and Discussant: B. Gustafsson 
Comments on the Vectorization of a Frontal Code
I. DUFF								343

Discussion on Convergence Acceleration and Multigrid
Methods								349

The Array Features in FORTRAN 8X
J.K. REID							351

Software Parts in FORTRAN 8X
B.T. SMITH							355

Large Numbers on Small Computers
J.J.H. MILLER and A. SLOANE					365

The Applicability of General Software for Real World
Problems - A discussion with introductory remarks by
J. van WELIJ and R.E. HUDDLESTON				373
SESSION 8: Chair: F. Chatelin, Discussant: L.M. Delves 
Logical and Physical Representation of an Object,
Modularity for the Programming of Finite Element Methods
A. PERRONNET							379

Automatic Analysis in PDE Software
B. ENGQUIST and T. SMEDSAAS					399

Dynamically-Adaptive Grids in the Numerical Solution of
Partial Differential Equations
J.F. THOMPSON							411

The n1/2 Method of Algorithm Analysis
R.W. HOCKNEY							429

LIST OF POSTERS							445

LIST OF PARTICIPANTS						447

LIST OF AUTHORS						 	453
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