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Estimation of linear hydrodynamic derivatives of a VLCC using static drift simulation

机译:静态漂移仿真估计VLCC的线性水动力衍生物

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Prediction of ship hydrodynamic derivatives is essential to evaluate ship's maneuvering capabilities. In this paper, static drift simulation results are shown for a very large crude carrier ship model, KVLCC2. For simulation, a RaNS based solver, SHIP_Motion, was used. The solver solves overset structured mesh using finite volume method. The simulation results were compared with experimental data. Next, linear hydrodynamic derivatives were predicted from simulation results and compared with experimental ones. The results show good agreement with experimental data and the paper concludes that the solver, SHIP_ Motion, is well capable to estimate hydrodynamic derivatives maintaining reasonable accuracy and economics.
机译:船舶流体动力学衍生物的预测对于评估船舶的机动能力至关重要。在本文中,静态漂移仿真结果显示为一个非常大的粗载船模型,KVLCC2。对于模拟,使用了基于RAN的求解器,SHIP_MOTION。求解器使用有限体积法解决了普雷斯结构化网格。将仿真结果与实验数据进行比较。接下来,从模拟结果预测线性水动力学衍生物并与实验结果进行比较。结果表现出与实验数据的良好一致性,纸张的结论是,求解器,Ship_ Motion,能够估算保持合理准确性和经济性的流体动力衍生物。

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