Three-dimensional Simulations Of Spiral Waves In Reacting And
Diffusing Media On DSM Computers
Author(s)
E. M. Ortigosa, L. F. Romero and J. I. Ramos
Abstract
Three-dimensional simulations of spiral
waves in reacting and diffusing media
on DSM computers
E. M. Ortigosa*, L. F. Romero* and J. I. Ramos^
* Dept. de Arquitectura de Computadores,
Universidad de Malaga, Spain
^ E.T.S. Ingenieros Industrials,
Universidad de Malaga, Spain
Abstract
Parallel ADI and CG methods based on the time-linearization of the three-di-
mensional, reaction-diffusion equations which govern the propagation of spiral
waves in excitable media, have been implemented on both shared- and distributed-
memory computers. ADI has been implemented by means of a dynamic block
cartesian decomposition and its efficiency tends to that of the CG technique as the
mesh is refined. The largest efficiency of CG was obtained on an Origin-2000 with
a message passing model, private memory and 16 processors, and the efficiency of
CG is larger than that of ADI.
1 Introduction
Reaction-diffusion equations are ubiquitous in biology, combustion, ecology, etc.,
because o
Keywords
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