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首页> 外文期刊>The Transactions of the Royal Institution of Naval Architects,Part A:International journal of maritime engineering >A VIRTUAL PISTON-TYPE WAVE MAKER BASED ON OPENFOAM
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A VIRTUAL PISTON-TYPE WAVE MAKER BASED ON OPENFOAM

机译：基于OpenFoam的虚拟活塞式波浪制造商

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摘要

OpenFOAM is an open source CFD (Computational Fluid Dynamics) toolbox and recently attracts many researchers to develop codes based on it for their own applications. In order to numerically generate waves based on the wave-maker theory for a piston motion, numerical improvements have been done on the base of OpenFOAM by the author. In general, the present new tool can be employed to simulate wave generation as long as the piston motion is given. This paper presents the related computational procedure and simulations for generating relatively long finite-amplitude waves according to Madsen's second-order wave-maker theory. The sensitivities of the computed incident wave profile to grid density and time step are investigated for the case of generating a wave with permanent form. The simulation accuracy is validated by comparison with the analytical solution and available experimental data.
机译：OpenFoam是一个开源CFD（计算流体动态）工具箱，最近吸引了许多研究人员，以根据自己的应用程序为其开发代码。 为了基于活塞运动的波浪制造理论来数控产生波，作者在OpenFoam的基础上完成了数值改进。 通常，只要给出活塞运动，就可以采用本新工具来模拟波产生。 本文提出了根据Madsen的二阶波制造商理论产生相对长的有限幅度波的相关计算过程和模拟。 研究了计算的入射波轮廓与栅格密度和时间步骤的敏感性，用于以永久形式产生波的情况。 通过与分析解决方案和可用的实验数据进行比较验证了模拟精度。

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