LS-DYNA 코드의 유체-구조 연성해석 기법을 이용한 자유낙하식 구명정의 가속도 응답 추정
During certification of freefall lifeboats, it is necessary to estimate the injury potential of the impact loads exerted on the occupants during water entry. This paper focused on the numerical simulation to predict the acceleration response during the impact of freefall lifeboats on the water using...
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| Published in | 大韓造船學會 論文集 Vol. 47; no. 5; pp. 681 - 688 |
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| Main Authors | , , , |
| Format | Journal Article |
| Language | English Korean |
| Published |
대한조선학회
2010
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1225-1143 2287-7355 |
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| Abstract | During certification of freefall lifeboats, it is necessary to estimate the injury potential of the impact loads exerted on the occupants during water entry. This paper focused on the numerical simulation to predict the acceleration response during the impact of freefall lifeboats on the water using FSI(Fluid-Structure Interaction) analysis technique of LS-DYNA code. FSI problems could be conveniently simulated by the overlapping capability using Arbitrary Lagrangian Eulerian(ALE) formulation and Euler-Lagrange coupling algorithm of LS-DYNA code. Through this study, it could be found that simulation results were in relatively good agreement with experimental ones in the acceleration peak values, and that the loading conditions were very sensitive to the acceleration responses by the experimental and simulation results. |
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| AbstractList | During certification of freefall lifeboats, it is necessary to estimate the injury potential of the impact loads exerted on the occupants during water entry. This paper focused on the numerical simulation to predict the acceleration response during the impact of freefall lifeboats on the water using FSI(Fluid-Structure Interaction) analysis technique of LS-DYNA code. FSI problems could be conveniently simulated by the overlapping capability using Arbitrary Lagrangian Eulerian(ALE) formulation and Euler-Lagrange coupling algorithm of LS-DYNA code. Through this study, it could be found that simulation results were in relatively good agreement with experimental ones in the acceleration peak values, and that the loading conditions were very sensitive to the acceleration responses by the experimental and simulation results. During certification of freefall lifeboats, it is necessary to estimate the injury potential of the impact loads exerted on the occupants during water entry. This paper focused on the numerical simulation to predict the acceleration response during the impact of freefall lifeboats on the water using FSI(Fluid-Structure Interaction) analysis technique of LS-DYNA code. FSI problems could be conveniently simulated by the overlapping capability using Arbitrary Lagrangian Eulerian(ALE) formulation and Euler-Lagrange coupling algorithm of LS-DYNA code. Through this study, it could be found that simulation results were in relatively good agreement with experimental ones in the acceleration peak values, and that the loading conditions were very sensitive to the acceleration responses by the experimental and simulation results. KCI Citation Count: 1 |
| Author | 자키(A.F.Zakki) 김학수(Hag-Soo Kim) 김주곤(Joo-Gon Kim) 배동명(Dong-Myung Bae) |
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| DocumentTitleAlternate | Estimation of Acceleration Response of Freefall Lifeboat using FSI Analysis Technique of LS-DYNA Code |
| DocumentTitle_FL | Estimation of Acceleration Response of Freefall Lifeboat using FSI Analysis Technique of LS-DYNA Code |
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| Keywords | 유체-구조 연성 Acceleration Response(가속도 응답) Free fall Lifeboat(자유낙하식 구명정) FSI(Fluid-Structure Interaction ALE(Arbitrary Lagrangian Eulerian) Formulation(ALE 정식화) Coupling Algorithmn(연성 알고리즘) - ALE |
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| Snippet | During certification of freefall lifeboats, it is necessary to estimate the injury potential of the impact loads exerted on the occupants during water entry.... |
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| Title | LS-DYNA 코드의 유체-구조 연성해석 기법을 이용한 자유낙하식 구명정의 가속도 응답 추정 |
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