Volume 30 Issue 10
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LIU Chuang, CUI Hai-tao. Contact pressure analysis by using singular integral equation method[J]. Journal of Aerospace Power, 2015, 30(10): 2346-2351. doi: 10.13224/j.cnki.jasp.2015.10.007
Citation: LIU Chuang, CUI Hai-tao. Contact pressure analysis by using singular integral equation method[J]. Journal of Aerospace Power, 2015, 30(10): 2346-2351. doi: 10.13224/j.cnki.jasp.2015.10.007
shu

Contact pressure analysis by using singular integral equation method

doi: 10.13224/j.cnki.jasp.2015.10.007

  • 1. Shenyang Engine Design and Research Institute, Aviation Industry Corporation of China, Shenyang 110015, China;

  • 2. College of Energy and Power Engineering, Nanjing University of Areonautics and Astronautics, Nanjing 210016, China

  • Received Date: 2014-03-25
  • Publish Date: 2015-10-28
    Abstract
  • The numerical solution of singular integral equation (SIE) was summarized, the 2nd type of SIE was solved by piece-wise continuous linear function procedurefor two elastic bodies contact, the SIE was deduced by correlating the slip function and gap function between the two bodies. The contact bodies include the cylinder contact with half space body, parabola shape indentor contact with half space body and tenon contact with mortise cases. These equations were solved by using the piece-wise continuous function method, then contact pressure on the contact surface was acquired. The results of SIE analysis were compared with those obtained from contact theory and finite element method (FEM) analysis. For cylinder contact with half space body, the maximum contact pressure of SIE method is compared with contact theory and FEM, the relative tolerance is 0.3% and 0.5% respectivelyfor tenon contact with mortise, the relative tolerance of maximum contact pressure between SIE method and FEM is 1.8%, proving the effectiveness and applicability of SIE method.

     

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