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Buckling optimization of variable thickness prismatic folded plates

Özakça, M. / Tayşi, N. / Kolcu, F.

AbstractThis paper deals with the structural shape optimization of prismatic folded plates under buckling load consideration. Buckling loads are determined using linear, quadratic and cubic, variable thickness, C(0) continuity, Mindlin-Reissner finite strips. The whole structural optimization process is carried out by integrating finite strip analysis, cubic spline shape and thickness definition, semi analytical sensitivity analysis and mathematical programming algorithm. The objective is either the maximization of the critical buckling load or minimization of the cross-section of the prismatic folded plate with constraints on the volume and buckling loads. Several examples are included to illustrate various features of the optimization algorithm, including plates and stiffened panels.

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Buckling optimization of variable thickness prismatic folded plates

Özakça, M. / Tayşi, N. / Kolcu, F.

AbstractThis paper deals with the structural shape optimization of prismatic folded plates under buckling load consideration. Buckling loads are determined using linear, quadratic and cubic, variable thickness, C(0) continuity, Mindlin-Reissner finite strips. The whole structural optimization process is carried out by integrating finite strip analysis, cubic spline shape and thickness definition, semi analytical sensitivity analysis and mathematical programming algorithm. The objective is either the maximization of the critical buckling load or minimization of the cross-section of the prismatic folded plate with constraints on the volume and buckling loads. Several examples are included to illustrate various features of the optimization algorithm, including plates and stiffened panels.

Buckling optimization of variable thickness prismatic folded plates

Özakça, M. / Tayşi, N. / Kolcu, F.

AbstractThis paper deals with the structural shape optimization of prismatic folded plates under buckling load consideration. Buckling loads are determined using linear, quadratic and cubic, variable thickness, C(0) continuity, Mindlin-Reissner finite strips. The whole structural optimization process is carried out by integrating finite strip analysis, cubic spline shape and thickness definition, semi analytical sensitivity analysis and mathematical programming algorithm. The objective is either the maximization of the critical buckling load or minimization of the cross-section of the prismatic folded plate with constraints on the volume and buckling loads. Several examples are included to illustrate various features of the optimization algorithm, including plates and stiffened panels.

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Title:

Buckling optimization of variable thickness prismatic folded plates

Contributors:

Özakça, M. (author) / Tayşi, N. (author) / Kolcu, F. (author)

Published in:

Thin-Walled Structures ; 41 ; 711-730

Publication date:

2003-01-22

Size:

20 pages

ISSN:

DOI:

https://doi.org/10.1016/S0263-8231(03)00021-1

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Buckling , Shape optimization , Finite strip , Plates , Panels

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