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 3 两端固支圆柱壳模态频率对比(不同类型容许函数)

Tab.3 Comparison of modal frequencies for cylindrical shell clamped at both ends (with different types of admissible functions)

(m,n) fC-C/Hz 文献[5]-MF 文献[5]-OP 文献[5]-CP 本研究I=25 (1,9) 684.7 684.2 684.0 684.7 (1,8) 697.3 696.3 696.2 697.1 (1,10) 726.2 725.9 726.2 726.0 (1,7) 775.4 774.0 774.3 775.7 (1,11) 808.1 807.8 808.1 808.0 (1,12) 919.9 919.6 919.6 919.8 (1,6) 930.6 928.8 929.2 932.0 (1,13) 1054.0 1054.0 1054.0 1054.1 (2,11) 1141.0 1139.0 1139.0 1156.2 (2,10) 1167.0 1165.0 1165.0 1190.6