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[학술저널]

  • 학술저널

김용직(부경대학교) 신기석(디엔브이 지엘 코리아) 이승철(부경대학교) 하영록(거제대학교) 홍사영(선박해양플랜트연구소)

DOI : 10.3744/SNAK.2019.56.4.343

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초록

Green water impact may sometimes cause some structure damages on ship"s bow deck. Prediction of proper design pressure against the green water impact is an essential task to prevent the possible damages on bow deck. This paper presents a computational method of the bow deck"s design pressure against the green water impact. Large heave and pitch motions of ship are calculated by the time domain nonlinear strip method. Green water flow and pressure on bow deck are simulated by the predictor-corrector second kind upstream finite difference method. This green water simulation method is based on the shallow water wave equations expanded for moving bottom conditions. For various kind of ships such as container ship, VLCC, oil tanker and bulk carrier, the green water design pressures on bow deck are computed and discussed. Also, the obtained results of design pressure on bow deck are compared with those of the classification society rules and discussed.

목차

1. 서론
2. 계산법의 개요
3. 계산 대상 선박들의 주요목
4. 설계압력 계산결과 및 고찰
5. 결론
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