دانلود فایل مقاله ‎Incompressible ‎smoothed particle hydrodynamics simulations on free surface flows

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سال انتشار : 2015

تعداد صفحات :13

‎The water wave generation by wave paddle and a freely falling rigid body are examined by using an Incompressible Smoothed Particle Hydrodynamics (ISPH)‎. ‎In the current ISPH method‎, ‎the pressure was evaluated by solving pressure Poisson equation using a semi-implicit algorithm based on the projection scheme and the source term of pressure Poisson equation contains both of divergence free velocity field and density invariance condition‎. ‎Here‎, ‎the fluid-structure interaction is introduced in free surface flows and the structure is taken as a rigid body motion‎. ‎In this study‎, ‎we generated the water waves using the Scott Russell wave generator‎, ‎in which the heavy box sinking vertically into water‎. ‎Also‎, ‎the solitary wave is generated by using the wave paddle and the generated solitary wave profiles are compared with the available results with a good agreement‎. ‎Free falling of torpedo over the water in tank was simulated by using 3D-ISPH ‎method.

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