Comparison of fully coupled hydroelastic computation and segmented model test results for slamming and whipping loads

International Journal of Naval Architecture and Ocean Engineering

Korobkin Alexander¹  Kim Yonghwan²  Kim Jung-Hyun² 

[1] School of Mathematics, University of East Anglia, Norwich, UK;Seoul National University, Seoul, Korea;

关键词: Slamming;    Whipping;    Hydroelasticity;    Rankine panel method;    Generalized wagner model (GWM);   

DOI  :  10.2478/ijnaoe-2013-0231

来源: DOAJ

【 摘 要 】

This paper presents a numerical analysis of slamming and whipping using a fully coupled hydroelastic model. The coupled model uses a 3-D Rankine panel method, a 1-D or 3-D finite element method, and a 2-D Generalized Wagner Model (GWM), which are strongly coupled in time domain. First, the GWM is validated against results of a free drop test of wedges. Second, the fully coupled method is validated against model test results for a 10,000 twenty-foot equivalent unit (TEU) containership. Slamming pressures and whipping responses to regular waves are compared. A spatial distribution of local slamming forces is measured using 14 force sensors in the model test, and it is compared with the integration of the pressure distribution by the computation. Furthermore, the pressure is decomposed into the added mass, impact, and hydrostatic components, in the computational results. The validity and characteristics of the numerical model are discussed.

【 授权许可】

Unknown