【摘要】 <正> 一、引言 工程结构优化设计作为一门新兴学科,从60年代初开始得到了迅速的发展。它把工程中广泛采用的有限元等分析方法与数学规划论相结合,为设计人员提供了一套系统地、高效地改进设计的科学方法。在我国,结构优化的研究工作开始于70年代,其中对结构进行力学分析的手段多采用有限元法。 对结构进行优化设计,结构的应力及变形的力学分析是求得最优方案的依据。因此,应力应变分析的精确可靠程度就成为优化设计优劣成败的关键。此外在结构形状优化过更多还原

【Abstract】 This paper presents a boundary element method (BEM) computer software system for theoptimization and color plotting on elasticity of planar problems. The BEM scheme and opti-mization design of plane strain and plane stress problems are performed. For any planar pro-blem the body forces, such as gravtational load and rotational inertia loads, can be computedwith high accuracy. Some numerical examples of the optimization of the connecting rods ofinternal combustion engine and mud pumps by the BEM are presented. The corresponding colorfigures are drawn by the computer. The conclusion is that the scheme in this paper is efficientand the system is significant for engineering applications.更多还原