Design based on reliability of naval multilayer fiber composite panels using evolutionary algorithms and stochastic structural mechanics
The complexity of sea wave loads and the number of design variables involved in the design of laminated composites for naval applications makes this a challenging problem. Traditional methodologies for engineering design and analysis are not suitable to deal with these kinds of design problems. This work presents a methodology based on evolutionary algorithms and stochastic structural mechanics to design high-reliability naval multilayer composite structural panels.. The mechanical response of structural panels was modeled by using the Multilayer First Order Shear Deformable Plate Theory and the Finite Element Method. Sea wave loads were modeled as stochastic dynamic loads by using the Simulation Based Reliability Analysis approach. The structural reliability of the panel, as a function of the composite ply’s fiber direction, was considered a design variable. In order to maximize the structural reliability, an optimization methodology based on Genetic Algorithms was proposed. For the design process, a computational code using FORTRAN® and the OpenMP® library for parallel computing was developed. The proposed methodology was applied to the design of composite naval panels and results were compared to those obtained through traditional design methodologies. The results show increased reliability of the panels in all cases analyzed. The proposed methodology is, thus, shown as a reliable engineering tool to optimize the structural performance of existing designs.
ALLIOT, J., GRUBER, H., JOLY, G. AND SCHOENAUER, M. (1993), "Genetic algorithms for solving air traffic control conflicts". Proceeding of the 9th Conference on AI Applications.
GESTAL, M., (2007), “Introduccion a los algoritmos geneticos”, Depto. Tecnologías de la Información y las Comunicaciones, Universidad de la Coruña, España.
GIRALDO, G, (2010), “Método del Enjambre de Partículas y Evolución Diferencial Para el Diseño de Peso Mínimo de un Panel Naval Reforzado”, Universidad Tecnológica de Bolívar, Trabajo de Grado Ingeniería Mecánica.
HALDAR, A., MAHADEVAN, S., (2000), “Reliability assessment using stochastic finite element analysis”, Wyley Editors.
KENNEDY, JAMES; EBERHART, RUSSELL, (1995), “Particle Swarm Optimization”, Proceedings of IEEE international conference on neural networks, IEEE, p. 1942-1948.
KOLLÁR, L., (2003) “Mechanics of Composite Structures”, Cambridge University Press, UK.
MANEEPAN, K., (2007), “Genetic algorithm based optimisation of FRP composite plates in ship structures”, Ph.D. Thesis, Faculty of Engineering, Science and Mathematics, University of Southampton, Southampton.
PARSOPOULOS, KONSTANTINOS E.; VRAHATIS, MICHAEL N., “Particle Swarm Optimization Method for Constrained Optimization Problems”, Patras, Greece.
REDDY, J. (2003) “Mechanics of Laminated Composite Plates and Shells: Theory and Analysis”, Second Edition, CRC Publications.
REDDY J.N., OCHOA O. (1992), “Finite element analysis of composite laminates”, Kluwer Academic Publishers, London.
SOREMEKUN, G. (1997), “Genetic algorithms for composite laminate design and optimization”. M.Sc. thesis, Virginia Polytechnic Institute and State University.
USECHE, J., (2008), “FEASY/STD v4.0: Finite element analysis program for linear static and dynamic analysis of solids and structures”. Universidad Tecnológica de Bolívar, Cartagena, Colombia.
USECHE, J. BRIX, J., (2009), “Diseño de estructuras navales Fabricadas en compuestos laminados”, Reporte de investigación a COTECMAR.
WISNIEWSKI, J., (2004), “Optimal design of reinforcing fibres in multilayer composites using genetic algorithms”, Fibres & Textiles in Eastern Europe Journal, Vol. 12 No. 3(47).
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