MATEC Web Conf.
Volume 148, 2018International Conference on Engineering Vibration (ICoEV 2017)
|Number of page(s)||5|
|Section||Vibration of Beams, Plates and Shells, from Nano to Macro|
|Published online||02 February 2018|
Experimental and numerical investigation of eigenfrequencies of rectangular plates, interacting with a fluid
Institute of Continuous Media Mechanics RAS, 1 Acad. Korolev str., Perm, 614013, Russian Federation
2 Perm National Research Polytechnic University, 29 Komsomolsky ave., Perm, 614990, Russian Federation
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The method of laser vibrometry was applied to investigate the vibrations of elastic plates interacting with a liquid for different variants of plate clamping. The obtained results are used to verify the developed finite-element algorithm designed to solve the problem of spatial vibrations of one or two parallel rectangular plates interacting with a quiescent viscous fluid. The results of calculations of the natural frequencies and damping decrement obtained under different boundary conditions and the height of the fluid layer are discussed. It has been demonstrated that for the configurations considered, viscosity of the liquid has a significant effect on the damping decrement, in contrast to frequencies of vibrations.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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