后临界湍流区间内旋转薄壳结构振动演化与作用机制实测研究1)

王浩, 柯世堂

EVOLUTION CHARACTERISTIC AND WORKING MECHANISM ANALYSIS OF ROTATING THIN-WALLED STRUCTURES IN POST-CRITICAL TURBULENT INTERVAL BASED ON FIELD MEASUREMENT1)

Wang Hao,Ke Shitang

表3 共振谱背景分量为主阶段功率谱表达式系数

Table 3 Fitting coefficients of power spectrum section dominated by background component

ai a2 a3 a4 a5 6.480 26x 3.024 58x 8.476 91x 2.911 85x 2.530 95x 10-8 10-5 10-47 10-5 10-40