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Diffraction and radiation forces result from the interaction between the ship hull and the moving fluid. These forces are typically simulated using added masses, a method that uses mass to compensate for not computing these forces directly. In this paper we propose simple mathematical model to compute diffraction force. The model is based on Lagrangian description of the flow and uses law of reflection to include diffraction term in the solution. The solution satisfies continuity equation and equation of motion, but is restricted to the boundary of the ship hull. The solution was implemented in velocity potential solver in Virtual testbed—a programme for workstations that simulates ship motions in extreme conditions. Performance benchmarks of the solver showed that it is particularly efficient on graphical accelerators.
Язык оригинала | английский |
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Страницы (с-по) | 29-39 |
Число страниц | 11 |
Журнал | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
Том | 12254 |
DOI | |
Состояние | Опубликовано - 2020 |
Событие | 20th International Conference on Computational Science and Its Applications, ICCSA 2020 - Cagliari, Италия Продолжительность: 1 июл 2020 → 4 июл 2020 http://iccsa.org/ |
ID: 62767560