Research Article

A Semianalytical Three-Dimensional Elasticity Solution for Vibrations of Orthotropic Plates with Arbitrary Boundary Conditions

Table 1

Convergence of frequency parameters Ω of an orthotropic plate with different truncated numbers.

MNQMode number
12345678

4  4  40.047640.103570.119000.161080.161080.169670.190380.21697
5  5  50.047450.103330.118830.161080.161080.169440.189500.21697
6  6  60.047450.103330.118830.161080.161080.169440.189040.21697
7  7  70.047420.103300.118800.161080.161080.169420.188940.21697
8  8  80.047420.103300.118800.161080.161080.169420.188870.21697
9  9  90.047420.103290.118800.161080.161080.169410.188850.21697
10  10  100.047420.103290.118800.161080.161080.169410.188830.21697
DQM0.047420.103290.118800.161090.161090.169410.188760.21697

4  4  40.332310.483230.483230.650210.650430.656650.898120.96645
5  5  50.332030.483230.483230.649800.650430.656180.897500.96645
6  6  60.332030.483230.483230.649790.650430.656180.897500.96645
7  7  70.332000.483230.483230.649740.650430.656110.897410.96645
8  8  80.332000.483230.483230.649740.650430.656110.897410.96645
9  9  90.331990.483230.483230.649730.650430.656100.897390.96645
10  10  100.331990.483230.483230.649730.650430.656100.897390.96645
DQM0.332000.483270.483270.649740.650430.656120.897420.96654

4  4  40.703910.805380.805381.082351.243941.305231.492271.61076
5  5  50.703440.805380.805381.082351.242591.304461.492271.61076
6  6  60.703430.805380.805381.082351.242571.304441.492271.61076
7  7  70.703370.805380.805381.082341.242371.304341.492271.61076
8  8  80.703370.805380.805381.082341.242371.304331.492271.61076
9  9  90.703360.805380.805381.082341.242321.304311.492271.61076
10  10  100.703360.805380.805381.082341.242321.304311.492271.61076
DQM0.703380.805450.805451.082401.242301.304301.492301.61090