Graphics processing unit (GPU) accelerated fast multipole BEM with level-skip M2L for 3D elasticity problems

Yingjun Wang, Qifu Wang, Xiaowei Deng, Zhaohui Xia, Jinhui Yan, Hua Xu

Research output: Contribution to journalArticlepeer-review

Abstract

In order to accelerate fast multipole boundary element method (FMBEM), in terms of the intrinsic parallelism of boundary elements and the FMBEM tree structure, a series of CUDA based GPU parallel algorithms for different parts of FMBEM with level-skip M2L for 3D elasticity are presented. A rigid body motion method (RBMM) for the FMBEM is proposed based on special displacement boundary conditions to deal with strongly singular integration and free term coefficients. The numerical example results show that our parallel algorithms obviously accelerates the FMBEM and can be used in large scale engineering problems with wide applications in the future.

Original languageEnglish (US)
Pages (from-to)105-118
Number of pages14
JournalAdvances in Engineering Software
Volume82
DOIs
StatePublished - Apr 2015
Externally publishedYes

Keywords

  • 3D elasticity
  • Boundary element method
  • Fast multipole method
  • Graphics processing unit
  • Level-skip M2L
  • Parallel computing

ASJC Scopus subject areas

  • Software
  • Engineering(all)

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