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Citation:
　Shan Wang,C. Guedes Soares.Hydroelastic Analysis of a Rectangular Plate Subjected to Slamming Loads[J].Journal of Marine Science and Application,2017,(4):405-416.[doi:10.1007/s11804-017-1434-6]
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Hydroelastic Analysis of a Rectangular Plate Subjected to Slamming Loads

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Title:
Hydroelastic Analysis of a Rectangular Plate Subjected to Slamming Loads
Author(s):
Shan Wang;  C. Guedes Soares
Affilations:
Author(s):
Shan Wang;  C. Guedes Soares
Centre for Marine Technology and Ocean Engineering(CENTEC), Instituto Superior Técnico, Universidade de Lisboa, Lisboa 1049-001, Portugal
Keywords:
slamming load; hydroelastic analysis; vibration of plates; modal expansion method; finite element method
分类号:
-
DOI:
10.1007/s11804-017-1434-6
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.

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Memo

Memo:
Received date:2016-12-07;Accepted date:2017-05-11。
Foundation item:Supported by Portuguese Foundation for Science and Technology (Fundação para a Ciência e Tecnologia-FCT)
Corresponding author:Shan Wang,Email:shan.wang@centec.tecnico.ulisboa.pt
Last Update: 2017-12-02