Research Article
Vibration Characteristics Analysis of Composite Laminated Annular/Circular Plate Using High-Order Shear Deformation Theory
Table 8
The frequency parameter
for the composite laminated annular/circular plate with different anisotropy degrees and lamination schemes.
| | Plate type | E1/E2 | [0/90°] | [0/90°/0] | [0/90°/0/90°] | | 1 | 3 | 5 | 1 | 3 | 5 | 1 | 3 | 5 |
| | Annular | 5 | 3.7759 | 4.0629 | 5.0452 | 3.9101 | 4.0682 | 5.4108 | 3.8286 | 4.0643 | 5.1982 | | 10 | 3.8536 | 4.0754 | 5.2271 | 3.9698 | 4.0798 | 5.5790 | 3.9102 | 4.0775 | 5.4256 | | 20 | 3.9219 | 4.0847 | 5.4082 | 4.0040 | 4.0881 | 5.6828 | 3.9638 | 4.0876 | 5.6096 | | 30 | 3.9549 | 4.0894 | 5.5108 | 4.0174 | 4.0922 | 5.7285 | 3.9852 | 4.0925 | 5.7084 | | 40 | 3.9749 | 4.0924 | 5.5813 | 4.0251 | 4.0949 | 5.7568 | 3.9973 | 4.0957 | 5.7798 | | 50 | 3.9883 | 4.0947 | 5.6349 | 4.0304 | 4.0970 | 5.7779 | 4.0052 | 4.0981 | 5.8379 | | 60 | 3.9981 | 4.0965 | 5.6782 | 4.0345 | 4.0986 | 5.7951 | 4.0110 | 4.0999 | 5.8884 |
| | Circular | 5 | 3.7423 | 6.2217 | 6.8697 | 4.2955 | 6.2044 | 8.0643 | 4.0328 | 6.2224 | 7.4192 | | 10 | 4.2170 | 6.2083 | 7.4886 | 4.9093 | 6.1970 | 8.9443 | 4.6722 | 6.2121 | 8.3725 | | 20 | 4.7202 | 6.2051 | 8.2009 | 5.3431 | 6.1987 | 9.6122 | 5.1949 | 6.2105 | 9.2159 | | 30 | 5.0007 | 6.2069 | 8.6403 | 5.5136 | 6.2021 | 9.9506 | 5.4174 | 6.2122 | 9.6415 | | 40 | 5.1819 | 6.2094 | 8.9480 | 5.6051 | 6.2050 | 10.1838 | 5.5401 | 6.2142 | 9.9247 | | 50 | 5.3087 | 6.2116 | 9.1804 | 5.6627 | 6.2075 | 10.3653 | 5.6182 | 6.2160 | 10.1405 | | 60 | 5.4024 | 6.2137 | 9.3646 | 5.7026 | 6.2096 | 10.5153 | 5.6724 | 6.2175 | 10.3174 |
|
|
