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可压缩流动SIMPLE算法压力修正方程边界条件处理探析
New Method on Determining Boundary Conditions of Compressible Viscous Fluid Pressure Correction Equations in a Simple Algorithm
【摘要】 可压缩粘性流体Nivier-Stokes方程SIMPLE算法求解中压力修正方程起着关键的作用。提出从连续性方程本质出发确定压力修正方程边界条件的方法。通过对双圆弧(凸包)通道内流场的计算验证了方法的正确性。
【Abstract】 Solutions of pressure correction equation plays a key role in SIMPLE algorithm for compressible viscous fluid Navier-Stokes equations.The paper presents a new method based on the essence of the continuity equation to specify the boundary conditions for pressure correction equation results and comparisons of flows have demonstrated the effectiveness and accuracy of the new approach.
【关键词】 SIMPLE算法;
Navier-Stokes方程;
压力修正;
边界条件;
可压缩流动;
【Key words】 SIMPLE algorithm; Navier-Stokes equations; pressure correction; boundary conditions; compressible flow;
【Key words】 SIMPLE algorithm; Navier-Stokes equations; pressure correction; boundary conditions; compressible flow;
- 【文献出处】 航空计算技术 ,Aeronautical Computing Technique , 编辑部邮箱 ,2007年04期
- 【分类号】O357
- 【被引频次】3
- 【下载频次】664