基于梁函数-Ritz法的圆柱壳模态特性分析

徐港辉,祝长生

Modal characteristics analysis of cylindrical shells based on beam functions-Ritz method

Gang-hui XU,Chang-sheng ZHU

表 4 两端简支圆柱壳模态频率对比(不同类型容许函数)

Tab.4 Comparison of modal frequencies for cylindrical shell simply supported at both ends (with different types of admissible functions)

(m,n) fS-S/Hz 文献[5]-MF 文献[5]-OP 文献[5]-CP 本研究I=25 (1,7) 484.6 484.6 484.6 484.6 (1,8) 489.6 489.6 489.6 489.6 (1,9) 546.2 546.2 546.2 546.2 (1,6) 553.3 553.3 553.3 553.4 (1,10) 636.8 636.8 636.8 636.9 (1,5) 722.1 722.1 722.1 722.2 (1,11) 750.7 750.7 750.7 750.7 (1,12) 882.2 882.2 882.2 882.3 (2,10) 968.1 968.1 968.1 968.2 (2,11) 983.4 983.4 983.4 983.5