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首页> 外文期刊>Numerical Heat Transfer, Part B. Fundamentals: An International Journal of Computation and Methodology >CONVECTION TREATMENT AND PRESSURE SPLITTING FOR SEQUENTIAL SOLUTION PROCEDURES .2. PRESSURE-BASED ALGORITHM
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CONVECTION TREATMENT AND PRESSURE SPLITTING FOR SEQUENTIAL SOLUTION PROCEDURES .2. PRESSURE-BASED ALGORITHM

机译：顺序溶液处理的对流处理和压力分离.2。基于压力的算法

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In Part II of the present article, the controlled variation scheme (CVS) developed in Part I, and the advection upstream splitting method (AUSM) are implemented in a pressure-based algorithm, whose very basis is the separate treatment of convective and pressure fluxes For the convective fluxes in the momentum equations as well as the estimation of mass fluxes in the pressure correction equation (which is derived from tire momentum and continuity equations) of the present algorithm, both first- and second-order (with minmod limiter) flux estimations are employed. Some issues resulting from the conventional use in pressure-based methods of a staggered grid, for the location of velocity components and pressure, are also addressed. Using the second-order fluxes, both CVS- and AUSM-type schemes exhibit sharp resolution. Overall, the combination of upwinding and splitting for the convective and pressure fluxes separately exhibits robust performance for a variety of flows and is particularly amenable for adoption in pressure-based methods. [References: 11]
机译：在本文的第二部分中，在基于压力的算法中实现了在第一部分中开发的受控变化方案（CVS）和对流上游分裂方法（AUSM），其基础是对流和压力通量的单独处理对于本算法的动量方程式中的对流通量以及压力校正方程式中的质量通量（从轮胎动量和连续性方程式得出）的估计，一阶和二阶（带minmod限制器）通量使用估计。还解决了由交错网格的基于压力的方法中的常规使用所导致的一些问题，这些问题涉及速度分量和压力的位置。使用二阶通量，CVS型和AUSM型方案均显示出清晰的分辨率。总体而言，对流通量和压力通量的上风和分流的组合分别显示出对各种流量的强劲性能，并且特别适合用于基于压力的方法中。 [参考：11]

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