大規模津波遡上解析に向けた安定化ISPH法の陽的時間積分スキーム

小笠原 圭太, 浅井 光輝, 古市 幹人, 西浦 泰介

研究成果: Contribution to journalArticle査読

抄録

After the great east Japan earthquake tsunami 2011, disaster prevention and mitigation techniques are actively developing and establishing prediction method for the next millennium tsunami like the Nankai Trough earthquake. We has been developed a three-dimensional tsunami run-up analysis tool using the stabilized ISPH<sup>2)</sup> which is one of the semi-implicit Lagrangian particle method. Tsunami run-up simulation in the urban area requires high resolution at least 2m in order to resolve the complicated tsunami flow. It leads to the large scale problem, and the tsunami run-up simulation at Kochi city needs to at least 1 billion particles. It is difficult to simulate the conventional ISPH method even on the premise of using supercomputer. Then, a new particle method ‘Explicit Incompressible SPH’ is developed that takes into consideration both calculation efficiency and accuracy.
寄稿の翻訳タイトルDEVELOPMENT OF AN EXPLICIT SCHEME OF THE STABILIZED ISPH FOR LARGE SCALED TSUNAMI RUN-UP SIMULATION
本文言語Japanese
ページ(範囲)I_397-I_404
ジャーナルJournal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM))
73
2
DOI
出版ステータス出版済み - 2017

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