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The Computer Journal 1998 41(1):57-63; doi:10.1093/comjnl/41.1.57
© 1998 by British Computer Society
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Simulation of 2-D metal cutting by means of a distributed algorithm

C. Ierotheou, C.-H. Lai, C. J. Palansuriya and K. A. Pericleous

School of Computing and Mathematical Sciences, University of Greenwich, Wellington Street, Woolwich, London SE18 6PF, UK Email: C.H.Lai{at}gre.ac.uk

Temperature distributions involved in some metal-cutting or surface-milling processes may be obtained by solving a non-linear inverse problem. A two-level concept on parallelism is introduced to compute such temperature distribution. The primary level is based on a problem-partitioning concept driven by the nature and properties of the non-linear inverse problem. Such partitioning results to a coarse-grained parallel algorithm. A simplified 2-D metal-cutting process is used as an example to illustrate the concept. A secondary level exploitation of further parallel properties based on the concept of domain-data parallelism is explained and implemented using MPI. Some experiments were performed on a network of loosely coupled machines consist of SUN Sparc Classic workstations and a network of tightly coupled processors, namely the Origin 2000.

Received November 27, 1997. revised February 16, 1998.


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