基于证据理论的结构高维全场响应不确定性分析

赵越,张金鹤,智晋宁

Uncertainty analysis of high-dimensional full-field structural response based on evidence theory

Yue ZHAO,Jinhe ZHANG,Jinning ZHI

表3 涡轮叶片结构不确定性参数量化形式

Table 3 Quantitative forms of uncertainty parameters in turbine blade structure

Eb νb pb1 焦元/1011Pa BPA 焦元 BPA 焦元/105Pa BPA [1.98, 1.99] 0.05 [0.290, 0.295] 0.15 [4.7, 4.8] 0.10 [1.99, 2.00] 0.15 [0.295, 0.300] 0.20 [4.8, 4.9] 0.20 [2.00, 2.01] 0.35 [0.300, 0.305] 0.40 [4.9, 5.0] 0.40 [2.01, 2.02] 0.25 [0.305, 0.310] 0.20 [5.0, 5.1] 0.20 [2.02, 2.03] 0.15 [0.310, 0.315] 0.05 [5.1, 5.2] 0.10 [2.03, 2.04] 0.05 pb2 αb K 焦元/105Pa BPA 焦元/(1/K) BPA 焦元/［W/(m·K)］ BPA [4.7, 4.8] 0.10 [11.85, 11.90] 0.10 [11.0, 11.2] 0.05 [4.8, 4.9] 0.20 [11.90, 11.95] 0.20 [11.2, 11.4] 0.15 [4.9, 5.0] 0.40 [11.95, 12.00] 0.30 [11.4, 11.6] 0.30 [5.0, 5.1] 0.20 [12.00, 12.05] 0.25 [11.6, 11.8] 0.20 [5.1, 5.2] 0.10 [12.05, 12.10] 0.10 [11.8, 12.0] 0.15 [12.10, 12.15] 0.05 [12.0, 12.2] 0.10 [12.2, 12.4] 0.05 Kc Ks tc to 焦元/［W/(m2·℃)］ BPA 焦元/［W/(m2·℃)］ BPA 焦元/102℃ BPA 焦元/102℃ BPA [34.0, 34.2] 0.05 [44.0, 44.2] 0.05 [1.2, 1.3] 0.1 [8.0, 8.5] 0.1 [34.2, 34.4] 0.10 [44.2, 44.4] 0.15 [1.3, 1.4] 0.2 [8.5, 9.0] 0.3 [34.4, 34.6] 0.15 [44.4, 44.6] 0.30 [1.4, 1.5] 0.4 [9.0, 9.5] 0.4 [34.6, 34.8] 0.20 [44.6, 44.8] 0.20 [1.5, 1.6] 0.3 [9.5, 10.0] 0.2 [34.8, 35.0] 0.30 [44.8, 45.0] 0.15 [35.0, 35.2] 0.15 [45.0, 45.2] 0.10 [35.2, 35.4] 0.05 [45.2, 45.4] 0.05