Abstract
The design of laminated composite structures used in mechanical engineering presents a major challenge in terms of computational cost. The most important aspect in designing laminated structures is the composition selection. An iterative procedure for minimization of the mass of laminated composite elements under an impulse load is offered. Both thicknesses and fiber orientation angles of layers are selected as design variables. The hybrid search method of optimization with adaptive control of the computing process is applied to solving the problem of optimal plate design. Deformation of plates is considered in a linear statement. Calculation of parameters of the stress-strain state of elements is carried out with the finite element method. Mass and deflection optimization of a composite plate subjected to the Tsai-Wu criteria-based design constraint have been carried out. The two-stage approach allows getting a design with the greatest bending stiffness without a significant structure mass increase. The approach makes it possible to develop new composite elements with improved characteristics.
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