| 1. | Topology optimization design of continuum structures under stress and displacement constraints 应力和位移约束下连续体结构拓扑优化 |
| 2. | Topological optimization of continuum structure with stress and displacement constraints under multiple loading cases 多工况应力和位移约束下连续体结构拓扑优化 |
| 3. | Then using the method of unit virtual - load , the displacement constraints are transformed into a explicit function to the design variables 然后利用单位虚载荷法将位移约束转化为设计变量与约束的显式关系。 |
| 4. | To multi - constraint problem about size , stress and displacement , the size and stress constraints are transformed into the movable size constraints 对于尺寸、应力和位移约束的多约束问题,文中把尺寸、应力约束转化为动态尺寸约束。 |
| 5. | Third , for the problem of the stress , local stability and displacement constraints , the sequential quadratic programming ( sqp ) method is adopted in this paper 第三,对于应力约束、局部稳定约束和位移约束的问题,本文采用序列二次规划sqp方法进行了求解。 |
| 6. | The visualization of the program is realized . engineers only need to input optimization design parameters , such as the values of the size , the stress and the displacement 用户只需从界面上输入优化设计参数:尺寸、应力、位移约束,优化精度,安全系数等数据,然后提交分析即可。 |
| 7. | When applying genetic algorithm for optimal design of pre - stressed steel structure , ways of penalty coefficient is adopted for resolving stress and displacement restrains in this paper 在应用遗传算法进行预应力钢结构的优化设计时,本文对于预应力钢结构的应力和位移约束的处理是采用了罚系数的方法。 |
| 8. | The sectional optimization theory of membrane structure under size , stress and displacement constraints is developed . a special optimization module is developed by using pcl language of msc . patran 发展了膜结构在尺寸、应力和位移约束下的截面优化理论,并利用msc . patran提供的pcl语言,开发了专用的优化模块。 |
| 9. | The results by exemplification expatiate that this method can not only be used directly to work out the optimum structural design with discrete variables to constraints stress and cross - section area , but also can deal with the discrete structural optimization featured with multi - loading , multi - constraints and multi - variables 算例结果表明,该方法能直接计算具有应力约束和截面尺寸约束的离散变量结构优化问题,也能处理同时具有稳定约束和位移约束的多工况、多约束、多变量的离散变量结构优化设计问题。 |
| 10. | And the displacement control of the leaf spring center was transferred to the displacement at load point . then after the load step options configuration , the leaf spring stress circulation under cycle loadings was calculated . the model was validated by the result compare between the rigid extracted from the simulation results and the one out of the rigid test of the leaf spring 使用加载头和簧片的接触行为来模拟加载状况,并将对簧片中心的变形控制转换为对加载点的位移约束,然后利用载荷步选项配置完成一个载荷循环,由此计算出加载阶段下钢板弹簧内部的应力循环。 |