›› 2012, Vol. ›› Issue (06): 1437-1441.

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Analysis and design of composite cylindrical shell with cover

YAN Guang1, FAN Zhou2, LI Zhong-hai2, CHENG Xiao-quan2, LIU Ke-ge3, ZUO Chun-cheng1   

  1. 1. School of mechanical science and Engineering, Jilin University, Changchun 130022, China;
    2. School of Aeronautics Science and Engineering, Beihang University, Beijing 100191, China;
    3. Beijing Aircraft Strength Institute, Beijing, 100083, China
  • Received:2012-02-19 Online:2012-11-01

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Abstract: The finite element model of one-third composite cylindrical shell was established using ABAQUS, and its compressive properties were analyzed. Results show that the shell failed in buckling, which is in agreement with testing results, thus validating the finite element model. Based on this model, the material, ply sequence and size etc of the cap were analyzed to study their effects on the compressive properties of the shell. This provides the basis for design improvement of the cap to fulfill engineering requirements. Computing results show that deflecting the ply angle of the cap by 25? can improve the buckling strength by 6.8%. The caps with the same composite material of the reinforced frame were batter than those made of metal. Under the condition that the weight of the components is not critical, aluminum alloy 7075 can be used instead of CFRP, which can improve the buckling strength and meet the design requirement. This research provides the reference for the design and analysis of composite cylindrical shell.

Key words: engineering mechanics, composite cylindrical shell, cover, compression, buckling mode

CLC Number: 

  • TB33
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