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- W3157299251 abstract "Abstract This paper considers the optimum structural design of vibrating beams in which the inertial axes and the elastic axes are non-collinear. The condition of non-collinear axes exists in structures having unsymmetric cross-sections. For unsymmetric crose-sections the centroid and the shear center do not coincide. This results in coupling between some of the bending and torsional modes. This paper presents results for the simply supported and cantilever beams with a thin-walled channel cross-section. The minimization of the structural volume subject to multiple frequency constraints and its dual problem of maximization of the fundamental frequency subject to a volume constraint are considered. A quadratic extended interior penalty function with Newton’s method of unconstrained minimization is used in structural optimization. The structures considered have non-structural masses besides their own mass." @default.
- W3157299251 created "2021-05-10" @default.
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- W3157299251 date "1988-09-25" @default.
- W3157299251 modified "2023-09-27" @default.
- W3157299251 title "Optimum Synthesis of Thin-Walled Vibrating Beams With Coupled Bending and Torsion" @default.
- W3157299251 doi "https://doi.org/10.1115/detc1988-0032" @default.
- W3157299251 hasPublicationYear "1988" @default.
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