自由落下式救命艇の着水衝撃による構造応答について

概要

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Free-Fall Lifeboat was developed as a life saving system that ensured quick and safe evacuation from a wrecked ship by sliding/dropping from a launching system equipped on the deck to a sea surface. Fundamental research is required in order to establish design technology of free-fall lifeboat of this type. For the purpose of constructing a free-fall lifeboat made of FRP, and for improvement of structural safety of life-boat, "Research and Development Project of a Free-Fall Lifeboat System" was promoted by the Shipbuilding Research Association of Japan. In this project the experiment used a 6/8 large-scale model was carried out, and useful data was obtained, such as hydrodynamic impact pressure and structural response at water entry. Furthermore, it was examined structural strength by FEM analysis. This report describes results of drop tests and FEM analysis. Resulting from this R & D, it becomes clear that relation between the impact load acting on the hull surface and structural response.
社団法人日本船舶海洋工学会の論文
2001-08-31