结构优化半解析灵敏度及误差修正改进算法

张力丹, 张盛, 陈飙松, 李云鹏

MODIFIED SEMI-ANALYTICAL SENSITIVITY ANALYSIS AND ITS ERROR CORRECTION TECHNIQUES

Zhang Lidan, Zhang Sheng, Chen Biaosong, Li Yunpeng

表2 自振特征值灵敏度计算效率测试结果

Table 2 Results of natural frequency eigenvalue sensitivity computation efficiency

$T_{G FD}$ /	$T_{E SA}$ /	$T_{M ESA}$ /	$Δ T_{E SA}$ /	$Δ T_{M ESA}$ /
10 $s$	10 $s$	$10 s$	$10 s$	$10 s$
3.7	0.6	0.4	3.1	3.3
8.8	1.2	0.7	7.6	8.1
26.5	1.7	0.9	24.8	25.6
98.9	2.2	1.3	96.7	97.6
249.7	2.7	1.7	247.0	248.0
379.8	3.5	2.2	376.3	377.6