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Parallel algorithm for surface panel analysis

Parallel algorithm for surface panel analysis
Parallel algorithm for surface panel analysis
This report describes the development of a paralled algorithm to carry out surface panel analysis. The algorithm is described to run across variable sized arrays of transputers. All software was written in Occam2. The parallelism strategy was based on geometric parallelism for both the data and code. A flexible geometry definition allows a wide range of flow geometries to be investigated. A perturbation potential formulation is used with an iterative Kutta condition to give zero pressure loading at the trailing edge. An investigation was carried out to compare the relative merits of iterative and direct methods for solving the influence coefficient matrix. An iterative block Jacobi was found to give the best performance when the block size was equal to the number of panels in a chordwise strip. The overall performance of the PArallel LIfting SUrface PANel code (PALISUPAN) was measured and although an implicit method it gave a high code efficiency.
63
University of Southampton
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce

Turnock, S.R. (1993) Parallel algorithm for surface panel analysis (Ship Science Reports, 63) Southampton, UK. University of Southampton 65pp.

Record type: Monograph (Project Report)

Abstract

This report describes the development of a paralled algorithm to carry out surface panel analysis. The algorithm is described to run across variable sized arrays of transputers. All software was written in Occam2. The parallelism strategy was based on geometric parallelism for both the data and code. A flexible geometry definition allows a wide range of flow geometries to be investigated. A perturbation potential formulation is used with an iterative Kutta condition to give zero pressure loading at the trailing edge. An investigation was carried out to compare the relative merits of iterative and direct methods for solving the influence coefficient matrix. An iterative block Jacobi was found to give the best performance when the block size was equal to the number of panels in a chordwise strip. The overall performance of the PArallel LIfting SUrface PANel code (PALISUPAN) was measured and although an implicit method it gave a high code efficiency.

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More information

Published date: 1993
Additional Information: ISSN 0140-3818

Identifiers

Local EPrints ID: 46051
URI: http://eprints.soton.ac.uk/id/eprint/46051
PURE UUID: 90244f50-a007-44d2-ad8c-adac0204fd00
ORCID for S.R. Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 16 May 2007
Last modified: 14 Mar 2019 01:55

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