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Volume 24 Issue 2
Feb.  1998
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Journal of Beijing University of Aeronautics and Astronautics  > 1998  >  24(2): 207-211.
Miao Changqing, Meng Qingchun, Zhang Xinget al. State DecompositionEnergy Method for Analysis of Debonding Problem of Honeycomb Sandwich Plates[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(2): 207-211. (in Chinese)
Citation: Miao Changqing, Meng Qingchun, Zhang Xinget al. State DecompositionEnergy Method for Analysis of Debonding Problem of Honeycomb Sandwich Plates[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(2): 207-211. (in Chinese)
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State DecompositionEnergy Method for Analysis of Debonding Problem of Honeycomb Sandwich Plates

  • Beijing University of Aeronautics and Astronautics,Dept. of Flight Vihicle Design and Applied Mechanics

  • Received Date: 11 Nov 1996
  • Publish Date: 28 Feb 1998
    Abstract
  • A sandwich plate with debonding between the face plates and honeycomb core is considered.A mechanical analysis model is built to study a honeycomb sandwich plate with debonding by state decomposition method.Analysis for debonding of honeycomb sandwich plates is carried out the by method of additional displacements and additional stresses produced by debonding between the face and core.The additional displacements of honeycomb sandwich plates containing rectangular debonding are analyzed by double trigonometric series and RayleighRitz method.The convergence of displacements shown by computation is satisfactory well.The result of displacements provides a simple and reasonable model for solving buckling load and fracture mechanics parameters of the honeycomb sandwich plate with debonding.

     

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  • 1.Kim W C,Miller T C,Dharan C K H.Strength of composite sandwich panels containing debonds.Int J Solids Structures,1993,30(2):211~223 2. Hwu C,Hu J S.Buckling and postbuckling of delaminated composite sandwich beams.AIAA J,1992,30(7):1901~1909 3. 缪长青,张 行蜂窝夹芯梁脱胶问题的力学分析北京航空航天大学学报,1998,24(1):54~57 4. 中国科学院力学所夹层板壳的弯曲、稳定和振动北京,科学出版社,1977 5. 张 行高等弹性理论北京航空航天大学出版社,1994
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