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Journal of Marine Science and Application

, Volume 16, Issue 4, pp 405–416 | Cite as

Hydroelastic analysis of a rectangular plate subjected to slamming loads

  • Shan Wang
  • C. Guedes Soares
Article

Abstract

A hydroelastic analysis of a rectangular plate subjected to slamming loads is presented. An analytical model based on Wagner theory is used for calculations of transient slamming load on the ship plate. A thin isotropic plate theory is considered for determining the vibration of a rectangular plate excited by an external slamming force. The forced vibration of the plate is calculated by the modal expansion method. Analytical results of the transient response of a rectangular plate induced by slamming loads are compared with numerical calculations from finite element method. The theoretical slamming pressure based on Wagner model is applied on the finite element model of a plate. Good agreement is obtained between the analytical and numerical results for the structural deflection of a rectangular plate due to slamming pressure. The effects of plate dimension and wave profile on the structural vibration are discussed as well. The results show that a low impact velocity and a small wetted radial length of wave yield negligible effects of hydroelasticity.

Keywords

slamming load hydroelastic analysis vibration of plates modal expansion method finite element method 

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Notes

Acknowledgement

This work was performed within the Strategic Research Plan of the Centre for Marine Technology and Ocean Engineering, which is financed by Portuguese Foundation for Science and Technology (Fundação para a Ciência e Tecnologia-FCT).

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Copyright information

© Harbin Engineering University and Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Centre for Marine Technology and Ocean Engineering (CENTEC), Instituto Superior TécnicoUniversidade de LisboaLisboaPortugal

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