层级优化技术与壁板结构优化研究

Level Optimization Technology and Research on Panel Structure

为了实现结构优化设计中形状、位置、尺寸等设计变量的解耦,在对现有优化理论及算法分析的基础上,介绍了广义层级优化技术的思路并分析了其优缺点,并基于广义层级优化的思想,提出了基于模型的狭义层级优化技术。对PCL语言参数化自动建模技术进行研究,并结合复杂加筋壁板类结构层级优化算例对狭义层级优化技术进行了验证,优化后减重效果明显。优化过程及结果表明层级优化技术可行,具有工程使用价值。

In order to decouple different design variables in the optimum structural design, the narrow- level optimization technology which is based on model was introduced. Firstly, the broad- level optimiza- tion technology was introduced and its strengths and weaknesses were analyzed. Then, the narrow- level