| タイトル | Finite element computation on nearest neighbor connected machines |
| 著者（英） | Mcaulay, A. D. |
| 著者所属（英） | Texas Instruments, Inc. |
| 発行日 | 1984-10-01 |
| 言語 | eng |
| 内容記述 | Research aimed at faster, more cost effective parallel machines and algorithms for improving designer productivity with finite element computations is discussed. A set of 8 boards, containing 4 nearest neighbor connected arrays of commercially available floating point chips and substantial memory, are inserted into a commercially available machine. One-tenth Mflop (64 bit operation) processors provide an 89% efficiency when solving the equations arising in a finite element problem for a single variable regular grid of size 40 by 40 by 40. This is approximately 15 to 20 times faster than a much more expensive machine such as a VAX 11/780 used in double precision. The efficiency falls off as faster or more processors are envisaged because communication times become dominant. A novel successive overrelaxation algorithm which uses cyclic reduction in order to permit data transfer and computation to overlap in time is proposed. |
| NASA分類 | STRUCTURAL MECHANICS |
| レポートNO | 85N10379 |
| 権利 | No Copyright |
| URI | https://repository.exst.jaxa.jp/dspace/handle/a-is/536962 |
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