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首页> 外文会议>International Conference on Fluid Mechanics and Heat and Mass Transfer >Investigations of Boundary Treatments in Incompressible Smoothed Particle Hydrodynamics for Fluid-Structural Interactions
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Investigations of Boundary Treatments in Incompressible Smoothed Particle Hydrodynamics for Fluid-Structural Interactions

机译：对流体结构相互作用的不可压缩平滑粒子动力学中边界处理的研究

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摘要

Two boundary treatment methods were developed for incompressible flow simulations and fluid-structural interaction problems using Smoothed Particle Hydrodynamics (SPH): 1) To apply repulsive force on the boundary particles while keeping the same particle spacing for inner fluid particles and wall boundary particles; 2) To use denser wall particles without any additional force. The dam-breaking problem and another testing example are used to demonstrate the performance of this method. Results obtained from the present approach show reasonable agreement with experimental data. The fluid pressure values obtained with SPH method is investigated. Based on the result of the study, it can be concluded that the present approach is reliable to simulate incompressible fluid and the pressure value obtained can be used to solve fluid-structural interaction problems.
机译：使用平滑粒子流体动力学（SPH）的不可压缩的流动模拟和流体结构相互作用问题开发了两个边界处理方法：1）以在边界颗粒上施加排斥力，同时保持相同的内部流体颗粒和壁边界颗粒的颗粒间距; 2）使用密集墙颗粒而没有任何额外的力。破坏问题和另一个测试示例用于演示该方法的性能。从本方法获得的结果显示了与实验数据的合理协议。研究了用SPH法得到的流体压力值。基于该研究的结果，可以得出结论，本方法可靠地模拟不可压缩的流体，并且所获得的压力值可用于解决流体结构相互作用问题。

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