Micro-mechanical simulation of geotechnical problems using massively parallel computers

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Abstract

This paper demonstrates that the architecture of a massively parallel computer can be adapted for micromechanical simulations of a Geotechnical problem. The Discrete Element Method was used on a massively parallel supercomputer to simulate Geotechnical boundary value problems. For the demonstration, a triaxial test was simulated using an algorithm titled 'TRUBAL for Parallel Machines (TPM)' based on the discrete element method (DEM). In this trial demonstration, the inherent parallelism within DEM algorithm is shown. Then a comparison is made between the parallel algorithm (TPM) and the serial algorithm (TRUBAL) to show the benefits of this research. TPM showed substantial improvement in performance with increasing number of processors when compared with TRUBAL using single processor.

Original languageEnglish (US)
Pages (from-to)1227-1234
Number of pages8
JournalInternational Journal for Numerical and Analytical Methods in Geomechanics
Volume27
Issue number14
DOIs
StatePublished - Dec 10 2003
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Materials Science(all)
  • Geotechnical Engineering and Engineering Geology
  • Mechanics of Materials

Keywords

  • Discrete element models
  • Geotechnical problems
  • Granular material
  • Massively parallel machines
  • Micro-mechanics
  • Simulations
  • Super-computers

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