Abstract
The determination of optimal designs of large composite structures is a problem of high complexity and suggests the use of structural optimization methods. This paper presents a software system which applies numerical optimization algorithms to the design of large multilayer composites with respect to weight and displacement minimization. Design variables are lamina angles and thicknesses. For structural and sensitivity analysis the finite element method is used. The system is integrated into a CAE environment for ease of practical application. An example is given to show the performance of the presented system.
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