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Technical gazette, Vol. 25 No. 5, 2018.

Preliminary communication

https://doi.org/10.17559/TV-20170215113629

Estimating Structure Response and Progressive Failure of a Ship Hull under Side-Bow Collisions

Aditya Rio Prabowo orcid id orcid.org/0000-0001-5217-5943 ; 1) Interdisciplinary Program of Marine Convergence Design, Pukyong National University, Nam-gu, Yongso-ro 45, Daeyeon-dong, Busan 48513, South Korea / 2) Department of Mechanical Engineering, Universitas Sebelas Maret, Jl. Ir. Sutami No.36A, Surakarta 571
Jung Min Sohn ; 1) Interdisciplinary Program of Marine Convergence Design, Pukyong National University, Nam-gu, Yongso-ro 45, Daeyeon-dong, Busan 48513, South Korea / 2) Department of Naval Architecture and Marine Systems Engineering, Pukyong National University, Nam-gu,
Dong Myung Bae ; Department of Naval Architecture and Marine Systems Engineering, Pukyong National University, Nam-gu, Yongso-ro 45, Daeyeon-dong, Busan 48513, South Korea
Joung Hyung Cho ; Interdisciplinary Program of Marine Convergence Design, Pukyong National University, Nam-gu, Yongso-ro 45, Daeyeon-dong, Busan 48513, South Korea

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Abstract

This paper presents an analysis of the side hull in marine steel structures under accidental collision phenomena. The type of side collision considered in this work is where the striking ship penetrates the struck ship. First, the configuration of the collision phenomenon is defined, including the ship geometry, mechanical properties of the material, and applied parameters. The collision scenarios are built by applying external dynamic parameters, including target location and striking velocity. Impact locations are determined on three different regions of the struck ship’s side hull: the fore-end, middle-hull, and after-end regions. These are discussed, followed by results based on the applied velocity. Second, the tendency of the collision energy is evaluated to observe the structural behaviour on the struck ship’s side hull during penetration by the striking ship. Progressive failure is summarised based on the results of two parameters, and f the material model is confirmed by comparing the collision energy with pioneering work on ship collision.

Keywords

accidental ship collision; crashworthy ship structures; finite element analysis; material sensitivity; progressive failure

Hrčak ID:

207456

URI

https://hrcak.srce.hr/207456

Publication date:

28.10.2018.

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