Vibration analysis of submerged rectangular microplates with distributed mass loading

Zhangming Wu, Xianghong Ma, Peter N. Brett, Jinwu Xu

Research output: Contribution to journalArticlepeer-review

Abstract

This paper investigates the vibration characteristics of the coupling system of a microscale fluid-loaded rectangular isotropic plate attached to a uniformly distributed mass. Previous literature has, respectively, studied the changes in the plate vibration induced by an acoustic field or by the attached mass loading. This paper investigates the issue of involving these two types of loading simultaneously. Based on Lamb's assumption of the fluid-loaded structure and the Rayleigh–Ritz energy method, this paper presents an analytical solution for the natural frequencies and mode shapes of the coupling system. Numerical results for microplates with different types of boundary conditions have also been obtained and compared with experimental and numerical results from previous literature. The theoretical model and novel analytical solution are of particular interest in the design of microplate-based biosensing devices.
Original languageEnglish
Pages (from-to)1323-1336
Number of pages14
JournalProceeding of the Royal Society: Series B
Volume465
Issue number2104
DOIs
Publication statusPublished - 8 Apr 2009

Keywords

  • microplate dynamics
  • fluid–structure interaction
  • microplate-based biosensing system

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