带预测有效约束的边界元全解析敏度分析

Analytic Sensitivity Analysis for BME by Calculating Active Constraints

建立了边界元的全解析敏度分析技术，并将该技术与通用的形状优化设计相结合，在求解最优化问题时，把预测有效约束的方法用于该算法中，用这种新算法对二维的平面应力下的弹性体进行形状优化在优化例题时，用加权求和法处理该例题的多目标问题。

A sensitivity analysis technique for the boundary element method(BEM) is presented in this paper,combined with shape optimization system for structural analysis.A method of calculating active constraints is also given in the program to solve the optimal problem.Based on this new algorithm,the shape optimization is done for an elastomer under planer stress.A multiobject problem is studied as an illustrative example for the program,using weighted summing method.The result is feasible.