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Bistable Characteristics of Irregular Anti-symmetric Lay-up Composite Cylindrical Shells

Author(s):





Medium: journal article
Language(s): English
Published in: International Journal of Structural Stability and Dynamics, , n. 6, v. 13
Page(s): 1350029
DOI: 10.1142/s0219455413500296
Abstract:

The bistable characteristics of the irregular anti-symmetric cylindrical shell (IACS), such as [+α1/ -α2/ +α2/ -α1] lay-up, are presented using theoretical methodology and finite element (FE) analysis. A novel approach named two points loading method is used to induce a snap-through of the shell in FE analysis. Unlike regular [+α/ -α/ +α/ -α] lay-up anti-symmetric cylindrical shells, two or more different ply angles are included in the irregular anti-symmetric lay-up. Besides ply angles, the bistable characteristics of composite cylindrical shells with irregular anti-symmetric lay-ups are also affected by the sequence of lay-ups. Both analytical and FE results show that IACS with different bistable behaviors can be obtained by changing the ply angles or sequence of the lay-ups. It is very useful for the design and manufacture of the bistable structure. There is a reasonable agreement between analytical and FE predictions; possible reasons of differences between analytical and FE results are given.

Structurae cannot make the full text of this publication available at this time. The full text can be accessed through the publisher via the DOI: 10.1142/s0219455413500296.
  • About this
    data sheet
  • Reference-ID
    10352814
  • Published on:
    14/08/2019
  • Last updated on:
    14/08/2019
 
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