Nonlinear oscillations of a floating elastic plate |
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Authors: | A E Bukatov A A Bukatov |
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Institution: | (1) Department of Applied Mathmatical Analysis, Faculty of Electrical Engineering, Mathematics and Computer Science, TU Delft, Mekelweg 4, 2628 CD Delft, The Netherlands |
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Abstract: | The multi-scales method is used to derive third-order equations of gravitational bending oscillations of a thin elastic plate
floating on the surface of a homogeneous perfect incompressible fluid of finite depth. The equations incorporate the compressive
force and nonlinear acceleration of vertical displacements of the plate. Based on these equations, the deflection of the plate
and the velocity potential of the fluid induced by a traveling periodic wave of finite amplitude are expanded into asymptotic
series to terms of the third order of smallness. The dependence of the oscillation characteristics on the elastic modulus
and thickness of the plate, compressive force, the initial length and steepness of the wave is analyzed |
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Keywords: | |
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