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A staggered grid arrangement for solving incompressible flows with hybrid unstructured meshes

机译:一种交错的网格布置,用于用杂交非结构状网格求解不可压缩的流动

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This work presents an alternative to the discretization of the Navier-Stokes equations using a finite volume method for hybrid unstructured grids with a staggered grid arrangement of variables. It has developed a numerical scheme, analogous to the element-based finite volume method, for the solution of 2-D incompressible fluid flow problems using several coupling strategies. All velocity components are stored at each face of the elements (pressure control volumes), following the usual procedure of staggering velocity and pressure. With this staggered arrangement, the balance of mass and momentum is satisfied, simultaneously, for the same set of variables, rendering numerical stability when compared to the nonstaggered arrangement.
机译:该工作介绍了使用具有交错网格布置的混合非结构化网格的有限音量方法来替代Navier-Stokes方程的替代方案。 它开发了一种类似于基于元素的有限体积法的数值方案,用于使用多种耦合策略解决2-D不可压缩的流体流动问题。 在常规过程的速度和压力的常用过程之后,所有速度部件储存在元件(压力控制体积)的每个面上。 通过这种交错布置,同时满足质量和动量的平衡,同时对相同的变量集,与非逗留布置相比,呈现数值稳定性。

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