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http://dx.doi.org/10.3744/SNAK.2020.57.6.353

Study on the Semi-Analytical Ice Load Calculation Methods for the Ice-Breaking Simulation  

Kim, Jeong-Hwan (Department of Civil and Environmental Engineering, Norwegian University of Science and Technology)
Jang, Beom-Seon (Research Institute of Marine Systems Engineering, Department of Naval Architecture and Ocean Engineering, Seoul National University)
Kim, Yooil (Department of Naval Architecture and Ocean Engineering, Inha University)
Publication Information
Journal of the Society of Naval Architects of Korea / v.57, no.6, 2020 , pp. 353-364 More about this Journal
Abstract
This paper presents the semi-analytical ice load calculation methods that are useful to simulate the ice-breaking process. Since the semi-analytical methods rely on the previously developed closed form equations or numerical analysis results, the user's exact understanding for the equations must be supported in order to use the methods properly. In this study, various failure modes of ice such as local crushing, in-plane splitting failure, out-of-plane bending failure and radial or circumferential cracking with rotation of the broken ice floe are considered. Based on the presented methods, the fracture modes were evaluated according to the size and thickness of ice. In addition, time series analysis for the ice-breaking process was performed on several ice conditions and the results were analyzed.
Keywords
Semi-analytical ice load calculation method; Ice-breaking process; Local crushing; In-plane splitting failure; Out-of-plane bending failure; Radial or circumferential cracking; Rotation;
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