A Hydroelastic Response Analysis of Barge Type Ships in Regular Waves

J. Ocean Eng. Technol. 2010;24(2):34-40.

Lee Seung-Chul,Goo Ja-Sam,Ha Young-Rok,Doh Daeog-Hee

National Research Laboratory Dept. Naval Architecture and Ocean System Engineering Korea Maritime Univ.,Dept. Naval Architecture and Marine Systems Engineering Pukyoung Nat'l Univ.,Dept. Naval Architecture and Marine Systems Engineering Pukyoung Nat'l

규칙파중의 바지형 선박의 유탄성응답해석

이승철,구자삼,하영록,도덕희

한국해양대학교 조선해양시스템공학과 국가지정연구실,부경대학교 조선해양시스템공학과,부경대학교 조선해양시스템공학과,한국해양대학교 기계.정보공학부

Keywords: Hydroelastic response, Fluid-structure interaction, Three-dimensional source distribution method, Finite element method

핵심용어: 탄성응답, 유체구조상호간섭, 3차원 특이점 분포법, 유한요소법

Abstract

When a large ship is advancing in waves, it undergoes hydroelastic response, which affects the structural stability and the fatigue destruction of the ship. Therefore, to predict an accurate hydroelastic response, it is necessary to conduct a thorough analysis of hydroelastic response, including fluid-structure interactions. In this research, the ship is divided into many hull elements, to calculate the fluid forces and wave exciting forces on each element. Using the three-dimensional source distribution method, the calculated fluid forces and wave exciting forces are assigned to nodes of the hull elements. The neighbor nodes are connected with elastic beam elements. We analyzed hydroelastic responses, using the finite elements method.