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A GPU-Based Parallel Procedure for Nonlinear Analysis of Complex Structures Using a Coupled FEM/DEM Approach

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  • Lixiang Wang
  • Shihai Li
  • Guoxin Zhang
  • Zhaosong Ma
  • Lei Zhang

Abstract

This study reports the GPU parallelization of complex three-dimensional software for nonlinear analysis of concrete structures. It focuses on coupled thermomechanical analysis of complex structures. A coupled FEM/DEM approach (CDEM) is given from a fundamental theoretical viewpoint. As the modeling of a large structure by means of FEM/DEM may lead to prohibitive computation times, a parallelization strategy is required. With the substantial development of computer science, a GPU-based parallel procedure is implemented. A comparative study between the GPU and CPU computation results is presented, and the runtimes and speedups are analyzed. The results show that dramatic performance improvements are gained from GPU parallelization.

Suggested Citation

  • Lixiang Wang & Shihai Li & Guoxin Zhang & Zhaosong Ma & Lei Zhang, 2013. "A GPU-Based Parallel Procedure for Nonlinear Analysis of Complex Structures Using a Coupled FEM/DEM Approach," Mathematical Problems in Engineering, Hindawi, vol. 2013, pages 1-15, November.
    • Handle: RePEc:hin:jnlmpe:618980
    DOI: 10.1155/2013/618980
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