NON-LINEAR DYNAMIC BEHAVIOR OF THERMOELASTIC CIRCULAR PLATE WITH VARYING THICKNESS SUBJECTED TO NON- CONSERVATIVE LOADING |
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Authors: | WANG Zhongmin GAO Jingbo LIHuixia LIU Hongzhao |
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Abstract: | The non-linear dynamic behaviors of thermoelastic circular plate with varying thickness subjected to radially uniformly distributed follower forces are considered.Two coupled non-linear differential equations of motion for this problem are derived in terms of the transverse deflection and radial displacement component of the mid-plane of the plate.Using the Kantorovich averaging method,the differential equation of mode shape of the plate is derived;and the eigenvalue problem is solved by using shooting method.The eigencurves for frequencies and critical loads of the circular plate with unmovable simply supported edge and clamped edge are obtained.The effects of the variation of thickness and temperature on the frequencies and critical loads of the thermoelastic circular plate subjected to radially uniformly distributed follower forces are then discussed. |
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Keywords: | Non-linear vibration Circular plate with varying thickness Thermal loading Follower force Shooting method |
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