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This paper focuses on the improvement of the influence coefficient matrix method for estimation of local ice load on the icebreaking research vessel ARAON. The influence coefficient matrix relates ice pressure on the hull plate to the measured/calculated hull strain/stress. Conventionally von Mises equivalent stresses representing hull stresses and ice pressure acting on the hull plate are utilized to assemble the influence coefficient matrix. Because of the three dimensional features of the ship-ice collision process, an enhanced method to assemble the influence coefficient matrix is derived considering ice loads in the X, Y, and Z direction simultaneously. Furthermore the location of ice loads acting on hull-plate may fall outside the measuring sensor area, and the enhanced influence coefficient matrix is modified to reduce the difference between the actual and the estimated ice loads by expanding the domain outward from the sensor area. The developed method for enhanced influence coefficient matrix is applied to IBRV ARAON during the 2019 Antarctic ice field test and the local ice loads in three directions are efficiently calculated compared to those by a conventional method.

권호기사

권호기사 목록 테이블로 기사명, 저자명, 페이지, 원문, 기사목차 순으로 되어있습니다.
기사명 저자명 페이지 원문 목차
통합보존식 해석과 HCIB 법을 이용한 슬로싱 탱크 내부 갇힌 공기에 의한 압력 진동 모사 = Simulation of a pulsating air pocket in a sloshing tank using unified conservation laws and HCIB method 신상묵 p. 271-280

시계열 분석 모델을 이용한 조선 산업 주요물가의 예측에 관한 연구 = A study on the prediction of major prices in the shipbuilding industry using time series analysis model 함주혁 p. 281-293

FFF 3D 프린터를 이용한 DfAM 기반 소형선박용 스탠션 지속가능 개발 사례 연구 = A case study on the sustainability for a stanchion of recreational crafts based on the design for additive manufacturing using a FFF-type 3D printer 이동건, 박본영 p. 294-302

딥러닝 기반 LNGC 화물창 스캐닝 점군 데이터의 비계 시스템 객체 탐지 및 후처리 = Object detection and post-processing of LNGC CCS scaffolding system using 3D point cloud based on deep learning 이동건, 지승환, 박본영 p. 303-313

Ship Type 해양 구조물 전선 해석 시 Topside와 Interface가 Hull에 미치는 영향 연구 = A study on the effect of topside and interface on hull in whole ship analysis of ship type offshore structure 서준규, 강호윤, 박정기 p. 314-321

함정용 고장력 판재의 방호한계속도 추정을 위한 간이 실험식 = Simplified formula for predicting the ballistic limit velocity of high strength shipbuilding steel plates based on experimental data 문석준, 김원, 송진섭, 최종민 p. 322-329

쇄빙연구선 ARAON호의 국부 빙하중 추정을 위한 영향계수행렬의 보완 = Enhanced influence coefficient matrix for estimation of local ice load on the IBRV ARAON 조성록, 최경식, 손범식, 정성엽, 하정석 p. 330-338