Volume 30 Issue 6
Jun.  2015
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CHEN Gao-sheng, YANG Yan. Stiffness design, simulation and test of laminated spherical elastomeric bearing[J]. Journal of Aerospace Power, 2015, 30(6): 1512-1519. doi: 10.13224/j.cnki.jasp.2015.06.029
Citation: CHEN Gao-sheng, YANG Yan. Stiffness design, simulation and test of laminated spherical elastomeric bearing[J]. Journal of Aerospace Power, 2015, 30(6): 1512-1519. doi: 10.13224/j.cnki.jasp.2015.06.029
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Stiffness design, simulation and test of laminated spherical elastomeric bearing

doi: 10.13224/j.cnki.jasp.2015.06.029

  • 1. Aviation Key Laboratory of Science and Technology on Materials and Application Research for Vibration and Noise Reduction, Beijing Institute of Aeronautical Materials, Aviation Industry Corporation of China, Beijing 100095, China;

  • 2. Military Representative Office in Beijing Region, Army Aviation Department, General Staff Headquters, the Chinese People's Liberation Army, Beijing 100083, China

  • Received Date: 2014-11-06
  • Publish Date: 2015-06-28
    Abstract
  • The computational formulations of compression stiffness and torsion stiffness of every rubber layer of laminated spherical elastomeric bearing were deduced in theory, and the theoretical results and simulated results of compression stiffness and torsion stiffness of every rubber layer of laminated spherical elastomeric bearing were compared through examples. The results show that the theoretical result of compression stiffness is basically in accord with the simulated result, the maximum error is 3.98%. There are some differences from simulated result and theoretical result for torsion stiffness in every rubber layer; the simulated result of torsion stiffness is bigger than theoretical result for the first half of all the rubber layers from the little end, the maximum error is 33.3%; the simulated result of torsion stiffness is smaller than theoretical result for the second half of all the rubber layers, the maximum error is 32.8%. The nonlinear characteristic of compression stiffness is not evident for the alterable pressure, and that of torsion stiffness is more evident with the increase of the torsion angle. But the equivalent compression stiffness and equivalent torsion stiffness got from theoretical method and finite element simulation method are in good agreement with the test results.

     

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