Abstract
A 1/3 composite cylindrical shell with a central rectangular opening was axially compressed experimentally, and its critical buckling load and displacement, and strains were measured. A finite element model (FEM) of the shell with Hashin failure criteria was established to analyze its buckling and post-buckling behaviors by nonlinear Newton-Raphson method. The geometric imperfection sensitivity and the effect of side supported conditions of the shell were investigated. It was found that the Newton-Raphson method can be used to analyze the buckling and post-buckling behaviors of the shell. The shell is not sensitive to initial geometric imperfection. And the support design of the shell by side stiffeners is a good way to obtain the critical buckling load and simplify the experimental fixture.
| Original language | English |
|---|---|
| Pages (from-to) | 555-566 |
| Number of pages | 12 |
| Journal | Steel and Composite Structures |
| Volume | 27 |
| Issue number | 5 |
| DOIs | |
| State | Published - 10 Jun 2018 |
Keywords
- Axial compression
- Composite shell
- FEM
- Newton-Raphson method
- Opening
- Post-buckling
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