A detailed study of lid-driven cavity flow at moderate Reynolds numbers using Incompressible SPH

作者：Khorasanizade Shahab; Sousa Joao M M^*

来源：International Journal for Numerical Methods in Fluids, 2014, 76(10): 653-668.

DOI：10.1002/fld.3949

• incompressible smoothed particle hydrodynamics
• mesh-free method
• no-slip boundary condition
• lid-driven cavity

Lid-driven cavity flow at moderate Reynolds numbers is studied here, employing a mesh-free method known as Smoothed Particle Hydrodynamics (SPH). In a detailed study of this benchmark, the incompressible SPH approach is applied together with a particle shifting algorithm. Additionally, a new treatment for no-slip boundary conditions is developed and tested. The use of the aforementioned numerical treatment for solid walls leads to significant improvements in the results with respect to other SPH simulations carried out with similar spatial resolution. However, the effect of spatial resolution is not considered in the present study as the number of particles used in each case was kept constant, approximately reproducing the same resolutions employed in reference studies available in the literature as well. Altogether, the detailed comparisons of field variables at discreet points demonstrate the accuracy and robustness of the new SPH method.

• 出版日期2014-12-10