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A 2nd order finite-volume unstructured hybrid mesh algorithm for 2D heat transfer and incompressible fluid flows

机译:用于2D传热和不可压缩流体流动的2ND订单有限体积非结构化混合网格算法

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A Finite-Volume method for the numerical integration of the Navier-S-tokes equations for 2D incompressible fluid flow is presented in a computational domain divided into polygon triangles and quadrilaterials that can be arbitrary mixed. Convection discretization was performed with a new second order accurate Upwind Least Squares Scheme (ULSS) in the framework of primitive variables where a projection method is used to calculate the pressure field and the system of algebraic equations is solved by the biconjugate gradient stabilized method (BI-CGSTAB).
机译:用于2D不可压缩流体流动的Navier-S-Tokes方程的数值积分的有限体积法在分为可以是任意混合的多边形三角形和四边形的计算结构域中呈现。用新的二阶准确Upwind最小二乘计划(ULS)在原始变量的框架中进行对流离散化,其中使用投影方法来计算压力场,并且通过双晶酸盐梯度稳定方法(Bi)解决了代数方程的系统(BI -cgstab)。

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