Optimum Design of Curvilinear Stiffened Panels with Stiffening Beams

Abstract:

The paper presents a framework for design and optimization of curvilinear stiffened panels with any cross-section shape of stiffener. Within this framework, the weight of stiffened panel applied complex loads, is minimized under the constraints of structural responses include global buckling, maximum stress and crippling. Then, a stiffened panel with two blade curvilinear stiffeners is optimized using this framework, and the optimum performs better than another existing design. Finally, it is concluded that stiffening beam is suitable for simulate stiffener sustains part of applied load directly.

• Periodical: Applied Mechanics and Materials (Volume 345)
• Pages: 285-289
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.345.285
• Online since: August 2013
• Authors: Jun Bo Yang, Bi Feng Song, Xiao Ping Zhong
• Keywords: Curvilinear Stiffened Panel, Finite Element, Minimum Weight, NGSA-II, Optimization

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