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Volume 19 Issue 4
 
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Article Navigation >  Journal of Unmanned Undersea Systems  > 2011  >  19(4): 246-249
XU Xin-dong, LI Jian-chen, CAO Xiao-juan, GONG Ping. Method for Imposing Discrete Loads on Curved Surface in Simulation Analysis[J]. Journal of Unmanned Undersea Systems, 2011, 19(4): 246-249. doi: 10.11993/j.issn.1673-1948.2011.04.002
Citation: XU Xin-dong, LI Jian-chen, CAO Xiao-juan, GONG Ping. Method for Imposing Discrete Loads on Curved Surface in Simulation Analysis[J]. Journal of Unmanned Undersea Systems, 2011, 19(4): 246-249. doi: 10.11993/j.issn.1673-1948.2011.04.002
shu

Method for Imposing Discrete Loads on Curved Surface in Simulation Analysis

doi: 10.11993/j.issn.1673-1948.2011.04.002
  • 1.

    The 705 Research Institute, China Shipbuilding Industry Corporation, Xi′an 710075, China

  • 2.

    Science and Technology on Underwater Information and Control Laboratory, Xi′an 710075, China

  • 3.

    Abaqus Beijing Representative Office, Beijing 100025, China

  • Received Date: 2011-05-23
  • Rev Recd Date: 2011-06-15
  • Publish Date: 2011-08-31
    Abstract
  • To solve the problem of imposing a mass of discretely distributed loads on curved surface, and improve the efficiency and quality of finite element method (FEM) analysis, a subarea polynomial fitting method of curved surface based on curve fitting and linear interpolation is proposed. With axisymmetric curved surface revolved by a monotonous curve, the functions of the discrete loads along the surface subareas are derived, then the loads are imposed on the whole curved surface through the functions for simulation analysis. Hence, the efficiency of pre-process for the FEM is enhanced. The simulation of model wind tunnel test indicates that this method is simple and effective with high precision.

     

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