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综述了国内外纤维增强树脂基复合材料结构优化设计的研究成果与发展状况,内容涉及到层合板壳结构以及夹层结构的屈曲、振动、可靠性、结构强度以及多级多目标等问题的优化设计。文中还涉及到发动机复合材料构件优化方面的一些研究成果,给出了其优化设计的网络框图。论文最后对复合材料结构优化设计当前存在的主要问题和今后发展方向作了分析,并指出今后的研究方向:(1)多级多目标多学科的优化设计,不仅涉及到基本理论、建模和方法,而且更加强调工程实际问题;(2)发展相应的软件专家系统,更加强调软件面向对象编程和 C A D 技术的应用;(3)注重探究快速有效的优化算法以及探究随机优化和可靠性优化技术,从而快速有效地获得对优化设计点的可靠评价等。
In this paper, the research results and development status of structural optimization design of fiber reinforced resin matrix composites at home and abroad are reviewed. The contents include the optimal design of the problems such as buckling, vibration, reliability, structural strength and multilevel multi - objective of laminated shell and shell structure . The article also involves some research results on the optimization of the engine composite material components, and gives the network diagram of its optimal design. At the end of the thesis, the main problems existing in the design optimization of composite structures and their future development are analyzed. The future research directions are also pointed out: (1) Multi-level and multi-objective multidisciplinary optimization design involves not only basic theory, modeling and Methods, and more emphasis on practical engineering problems; (2) develop appropriate software expert systems, more emphasis on software object-oriented programming and the application of CAD technology; (3) focus on exploring fast and efficient optimization algorithms and explore stochastic optimization and reliability Optimization techniques to quickly and efficiently obtain reliable evaluation of optimized design points.