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

被引：0

作者：

Kobayashi, MH ^{[1
]}

Pereira, JMC ^{[1
]}

Pereira, JCF ^{[1
]}

机构：

[1] Univ Tecn Lisboa, Inst Super Tecn, LASEF, Dept Engn Mech, P-1096 Lisbon, Portugal

来源：

HEAT TRANSFER 1998, VOL 4: GENERAL PAPERS | 1998年

关键词：

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A Finite-Volume method for the numerical integration of the Navier-Stokes equations for 2D incompressible fluid flow is presented in a computational domain divided into polygon triangles and quadrilaterals 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) Numerical solutions are compared with analytical solutions of a 2D test case and for the driven cavity flow at Re=100. The evolution of the error norm slope as a function of the mesh parameters, confirm that the ULS Scheme is second order accurate to solve 2D incompressible fluid flow problems.

引用

页码：199 / 205

页数：7

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