Computer Science

Computer Science ›› 2020, Vol. 47 ›› Issue (11A): 624-627.doi: 10.11896/jsjkx.191100154

• Interdiscipline & Application • Previous Articles     Next Articles

Fast Calculation Method of Aircraft Component Strength Check Based on ICCG

XU Xin-peng1, HU Bin-xing2   

  1. 1 Shanghai Electro-Mechanical Engineering Institute,Shanghai 201109,China
    2 Aerospace System Engineering Shanghai,Shanghai 201109,China
  • Online:2020-11-15 Published:2020-11-17
  • About author:XU Xin-peng,M.S.His main research interests include flight dynamics,missile guidance and control system.
    HU Bin-xing,Ph.D.His main research interests include flight dynamics,software framework,parallel programming and applications.

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Abstract: With the requirement of fast diagnosis for reusable aircraft structures,GPU is used as the coprocessor to solve the sparse linear equations with high parallelization and high memory bandwidth.In view of the most time-consuming solution ofli-near equations,the incomplete Cholesky conjugate gradient method is used to verify computing efficiency using wing as an example.The acceleration ratio of GTX1060 graphics card is about 25 times higher than that of E3 1230V5.The results show that the ICCG algorithm based on CUDA can satisfy the relevant diagnostic calculation of the finite element model of aircraft with order less than 60 000.

Key words: Conjugate gradient method, CUDA, Incomplete Cholesky, Sparse matrix

CLC Number: 

  • TP319
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