Abstract
Composite stiffened plate structure is widely used in aviation, aerospace and marine areas , in order to ensure the structural reliability ,stability analysis is absolutely necessary. The finite element models are established. In this paper, subspace method and arc-length method are applied to analyze the stability of stiffened panel structure, both two methods are effective. Different stringer parameters will have some impact on the stability, including the number and height. Through analyzing the results, some conclusions are drew for increasing the stability.They have a certain value for engineering application.
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