基于高阶剪切变形理论的四边形求积元板单元及其应用1)

申志强, 夏军, 宋殿义, 程盼

A QUADRILATERAL QUADRATURE PLATE ELEMENT BASED ON REDDY'S HIGHER-ORDER SHEAR DEFORMATION THEORY AND ITS APPLICATION1)

Shen Zhiqiang, Xia Jun, Song Dianyi, Cheng Pan

表12 斜板无量纲自振频率(FG-O)$\omega {a^2} / h\sqrt {{\rho _m }/ {E_m }} $

Table 12 The dimensionless frequencies of the FG-CNTRC skew plate (FG-O)

Mode 1 2 3 4 5 6 α = 15° QEM 15 x 15 11.548 16.756 18.326 22.635 27.174 29.610 Ref.[12] 11.225 16.857 18.273 22.561 27.702 28.690 α = 30° QEM 15 x 15 12.379 18.718 19.190 28.361 30.548 31.116 Ref.[12] 12.113 18.775 19.364 28.356 30.314 30.780 α = 45° QEM 15 x 15 14.661 20.253 24.547 35.709 36.336 36.789 Ref.[12] 14.520 20.439 24.733 35.270 36.212 36.901