Abstract
The novel methodology for imperfection sensitivity analysis, presented in Barbero et al. [1], is here applied for the evaluation of limit load of composite cylindrical shells. Koiter’s perturbation method is used to calculate the imperfection paths emanating from mode interaction bifurcations, and the Monte Carlo method is used to test a large number of modes and all possible interactions among them. The computational cost is low because of the efficiency of Koiter’s method. The demands of Koiter’s method for accurate evaluations of higher order derivatives of the potential energy are met by a mixed, corotational element.
| Original language | English |
|---|---|
| Pages (from-to) | 105-111 |
| Number of pages | 7 |
| Journal | International Journal for Computational Methods in Engineering Science and Mechanics |
| Volume | 18 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 2 Jan 2017 |
| Externally published | Yes |
Keywords
- Composite cylinder
- Koiter’s asymptotic approach
- Monte Carlo
- corotational kinematics
- imperfection sensitivity
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