Advertisement

GeoFEM: High performance parallel FEM for solid earth

  • Kazuteru Garatani
  • Hisashi Nakamura
  • Hiroshi Okuda
  • Genki Yagawa
Track C1: (Industrial) End-user Applications of HPCN
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1593)

Abstract

The science and technology agency has begun an “Earth Simulator” project from the fiscal year of 1997, which enables the forecast of various earth phenomena through the simulation of virtual earth placed in a supercomputer. The “GeoFEM” is a parallel finite element software to be run on the “Earth Simulator” to solve problems involving the solid earth and is being developed at RIST. This project is expected to be a breakthrough in bridging the geoscience and information science fields. In this paper, we briefly describe the “GeoFEM” project, then capability for large-scale analysis is discussed and simple example analyses are shown. At this stage, the largest linear elastic problem solved by “GeoFEM” is more than 100M (100,000,000) degree of freedoms on 1,000 PEs Hitachi SR2201 at University of Tokyo.

Keywords

Solid Earth Domain Decomposition Method Iterative Solver Earth Simulator Earth Phenomenon 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    http://stagw.sta.go.jp./umi/seaearth/e9810_4.htmlGoogle Scholar
  2. 2.
    http://geofem.tokyo.rist.or.jpGoogle Scholar
  3. 3.
    G. Yagawa, H. Okuda and H. Nakamura: GeoFEM: Multi-Purpose Parallel FEM System for Solid Earth, Fourth World Congress on Computational Mechanics, Vol. II, (1988) pp. 1048.Google Scholar
  4. 4.
    K. Garatani: GeoFEM: Multi-Purpose Parallel FEM for Solid Earth (3) Large Scale Structural Analysis for Solid Earth, Proceedings of the Conference on Computational Engineering and Science, JSCES, vol. 3 (1998)Google Scholar
  5. 5.
    M. Iizuka: GeoFEM: Multi-Purpose Parallel FEM for Solid Earth (4) Complex Earth Structure Analysis, Proceedings of the Conference on Computational Engineering and Science, JSCES, vol. 3 (1998)Google Scholar
  6. 6.
    J.J. Dongarra et al., Templates for the Solution of Linear Systems: Building Blocks for Iterative Methods, SIAM, 1994Google Scholar
  7. 7.
    J.J. Dongarra et al.: Solving Linear Systems on Vector and Shared Memory Computers, SIAM, 1990Google Scholar
  8. 8.
    K. Nakajima et al.: Parallel Iterative Solvers with Localized ILU Preconditioning, HPCN'97 Proceedings, Lecture Notes in Computer Science, 1225 (1997) pp. 342–350CrossRefGoogle Scholar
  9. 9.
    K. Nakajima and H. Okuda: Parallel Iterative Solvers with Localized ILU Preconditioning for Unstructured Grids on Workstation Cluster, 4-th Japan-US Symposium on FEM in Large-Scale Computational Fluid Dynamics Proceedings (1998) pp.25–30Google Scholar
  10. 10.
    Y. Takeshima, I. Fujishiro: GeoFEM: Multi-Purpose Parallel FEM for Solid Earth (7) Unstructured Volume Visualization Approaches and Issues, Proceedings of the Conference on Computational Engineering and Science, JSCES, vol. 3 (1998)Google Scholar
  11. 11.
    I. Shirai, S. Yoshimura and G. Yagawa: Parallel Visualization of Ultra Large Analysis in Virtual Reality Environment, Proceedings of the Conference on Computational Engineering and Science, JSCES, vol. 3 (1998)Google Scholar
  12. 12.
    D. Sekita: GeoFEM: Multi-Purpose Parallel FEM for Solid Earth (6) A Strategy of the Inter/Intra System Interfaces in Japanese, Proceedings of the Conference on Computational Engineering and Science, JSCES, vol. 3 (1998)Google Scholar
  13. 13.
    K. Garatani, et. al.: Study on Parallelization Method of Structural-Analysis Code, HPCN'97 Proceedings. Lecture Notes in Computer Science 1225 (1997) pp. 1044–1046Google Scholar
  14. 14.
    K. Garatani, H. Nakamura and G. Yagawa: Parallel Finite Element Structural Analysis Code Using DDM, HPCN'98 Proceedings, Lecture Notes in Computer Science 1401 (1998) pp. 887–889Google Scholar

Copyright information

© Springer-Verlag 1999

Authors and Affiliations

  • Kazuteru Garatani
    • 1
  • Hisashi Nakamura
    • 1
  • Hiroshi Okuda
    • 2
  • Genki Yagawa
    • 3
  1. 1.Research Organization for Information Science & Technology (RIST)TokyoJapan
  2. 2.Yokohama National UniversityYokohamaJapan
  3. 3.University of TokyoBunkyo-kuJapan

Personalised recommendations