Journal ArticleDOI
A practical approach to optimal design of laminated cylindrical shells for buckling
TLDR
In this article, the buckling load of a filamentary laminated circular cylindrical shell subjected to axial compression and/or external pressure was optimized using a two-step approach.About:
This article is published in Composites Science and Technology.The article was published on 1989-01-01. It has received 20 citations till now. The article focuses on the topics: Buckling & Shell (structure).read more
Citations
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Journal ArticleDOI
Optimal design of laminated plates and shells
TL;DR: In this article, the optimum design of laminated plates and shells subjected to constraints on strength, stiffness, buckling loads, and fundamental natural frequencies is examined, and a careful selection of lay-up is required to make the best use of the capabilities of the material.
Journal ArticleDOI
Nonlinear Buckling Optimization of Composite Structures
Esben Lindgaard,Erik Lund +1 more
TL;DR: In this article, an approach to nonlinear buckling fiber angle optimization of laminated composite shell structures is presented, which accounts for the geometrically nonlinear behavior of the structure by utilizing response analysis up until the critical point.
Journal ArticleDOI
An evolution strategy in structural optimization problems for plates and shells
TL;DR: In this article, the evolution strategy is proposed as the optimization algorithm for multilayered plated and shell structures and two numerical examples have been solved to demonstrate the effectiveness of the proposed formulations.
Journal ArticleDOI
A computational study in optimum formulations of optimization problems on laminated cylindrical shells for buckling II. Shells under external pressure
TL;DR: In this article, the authors deal with different formulations of optimization problems on bucking of multi-layered composite cylindrical shells under axial compression and show that, for most practical cases, there is no gain in increasing the number of the layers above four and variable parameters above two.
Journal ArticleDOI
A unified approach to nonlinear buckling optimization of composite structures
Esben Lindgaard,Erik Lund +1 more
TL;DR: In this paper, a unified approach to nonlinear buckling fiber angle optimization of laminated composite shell structures is presented, which includes loss of stability due to bifurcation and limiting behavior.
References
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Journal ArticleDOI
Optimum Design of Laminated Plates under Axial Compression
TL;DR: In this article, a method for designing laminated plates with orthotropic layers under uniaxial and biaaxial compression is presented. The objective is to find the fiber direction of all the layers that give the highest buckling stress; therefore, it is necessary to solve an unconstrained maximization problem.
Journal ArticleDOI
Design of Laminated Plates for Maximum Stiffness
TL;DR: In this paper, an optimization procedure for the design of laminated fiber-reinforced plates having midplane symmetry and subject to flexure is proposed, where strain energy is taken as the objective function.
Journal ArticleDOI
Optimal laminate configurations of cylindrical shells for axial buckling
TL;DR: In this article, the optimal laminate configurations for laminated cylindrical shells under axial compression are investigated and obtained under buckling constraints, where complete freedom is given in the selection of the ply angle variation through the thickness.
Journal ArticleDOI
Optimal fibre orientation for simply-supported, angle-ply plates under biaxial compression
TL;DR: In this article, the optimal angle for laminate rectilinear rectangular plates under uniaxial or baoxial compression was investigated and obtained under buckling constraints.
Journal ArticleDOI
Optimal laminated composite shells for buckling and vibration
Y. S. Nshanian,Michael J. Pappas +1 more
TL;DR: In this article, a mathematical programming (MP) problem is formulated using segment ply angles and thicknesses as design variables, and a special MP algorithm, capable of treating multiple objective functions, combined with a critical mode search is used to solve this problem.
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