空间望远镜焦平面基板结构热-力耦合双目标拓扑优化设计
曹雪虎,纪敬虎

Dual-objective topology optimization design for focal plane substrate structure of space telescope with thermo-mechanical coupling
Xuehu CAO,Jinghu JI
表3 优化前后基板结构的性能对比
Table 3 Performance comparison of substrate structures before and after optimization
对比项最大位移/10-3 mm最大应力/MPa最大热应变/10-5

最大温度梯度/

(K/mm)

基频/Hz质量/kg
变化幅度/%-4.92+367.89+10.22+22.67-21.54-39.94
优化前1.2221.81.860.034 41 021.13.220
优化后1.16102.02.050.042 2801.21.934