Shock and Vibration / 2017 / Article / Tab 13

Research Article

Benchmark Solution for Free Vibration of Moderately Thick Functionally Graded Sandwich Sector Plates on Two-Parameter Elastic Foundation with General Boundary Conditions

Table 13

Comparison of frequency parameters for Type 1-1 (1-0-0) annular sector plates on Winkler foundations with various boundary conditions ( = 0.5, = 90°, = 0.2, and ).

(KW, KG)Mode numberCCCCFFFFCSCS
PresentFEMError (%)PresentFEMError (%)PresentFEMError (%)

(10, 0)1101.04101.610.5627.0527.240.7098.7399.290.57
2119.56120.170.5137.0437.250.56113.70114.260.49
3148.92149.680.5150.7950.810.03128.81129.060.19
4154.35154.560.1458.9959.170.31141.92142.580.47
5184.85185.880.5577.9478.160.28152.79153.000.14
6196.96198.360.7187.0387.050.03178.77179.680.51
(100, 0)1101.56102.550.9728.7428.910.5999.25100.250.99
2119.99120.950.7938.2838.580.77114.14115.070.80
3149.25150.290.6950.7950.810.03128.81129.060.19
4154.35154.560.1459.7560.180.72142.27143.210.66
5185.12186.350.6678.5278.730.28152.79153.000.14
6197.21198.820.8187.0387.050.03179.04180.170.62

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