Isaac Scientific Publishing

New Horizons in Mathematical Physics

Study on Bistable Behavior of Antisymmetric Laminated Cylindrical Shells with Different Ply Numbers

Download PDF (980.1 KB) PP. 44 - 51 Pub. Date: September 1, 2018

DOI: 10.22606/nhmp.2018.23002

Author(s)

  • Linlin Shen*
    College of Civil Engineering and Architecture, Hebei University, Baoding, China
  • Xiaodong Pan
    College of Civil Engineering and Architecture, Hebei University, Baoding, China
  • Jingbo Zhou
    College of Civil Engineering and Architecture, Hebei University, Baoding, China
  • Longcheng Xing
    College of Civil Engineering and Architecture, Hebei University, Baoding, China
  • Yu Zhang
    China Architecture Standards Design Institute

Abstract

The antisymmetrical laminated cylindrical shell is a multilayer composite structure composed of single-layer fiber reinforced composites bonded by fiber-opposing layer, and it is a kind of advanced composite structure with the characteristics of bistable which is not possessed by general shell structure. In this paper, based on the two-point loading method in the experimental study, taking T700/TDE-85 antisymmetrical laminated cylindrical shells as an example, the steady-state transition model of antisymmetrical laminated cylindrical shells is established by using ABAQUS finite element software and the numerical calculation is carried out. The bistable transformation process of antisymmetric laminated cylindrical shells is simulated. The influence of ply number on the bistable behavior of the laminated structure is studied by changing the number of layers of the opposing called laminated cylindrical shells. The results show that the critical load of steady-state transition and the second steady-state residual stress increase with the increase of layer number of laminated shells, but the second steady-state crimp radius is almost unchanged.

Keywords

Antisymmetric laminated cylindrical shell; bistable; ply number; Finite Element method

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