PISO

The unsteady discrete finite volume equations were solved by using PISO algorithm .

对于非稳态控制方程离散后的离散方程采用了PISO方法进行求解。

Application of a second-order upwind scheme to PISO algorithm

采用二阶迎风格式的PISO算法研究

Use PISO numerical method to iterate .

最后选用PISO数值方法进行了迭代。

PISO algorithm for unsteady flow field

非定常流动计算的PISO算法

The PISO algorithm was used to solve the governing equations of the smoldering combustion .

计算采用控制容积法，用PISO算法求解。

The punishment of Piso shows the extent to which posthumous memory was determined by practical family needs .

对皮索的惩罚展现了一个人的身后之名在多大程度上取决于他的家庭的现实需要。

The numerical simulation of the motor cold flow field and the mixing process of various kinds of gases are performed by PISO algorithm .

采用PISO算法模拟了冷流状态下发动机的内流场和各种气体组分的相互掺混过程。

Based on PISO algorithm , numerical simulation of plume flow field is studied by solving Navier-Stokes equation in three cases : one step and two steps reaction model in combustion chamber , no combustion chamber .

基于压力隐式算子分裂（PISO）算法，通过求解Navier-Stokes方程，对燃烧室内一步反应和两步反应模型、无燃烧室三种情形下尾焰流场进行了数值仿真；

The PISO method is used to solve the problem of coupling velocity field with pressure field . The flow characteristics and pressure distributions as well as the turbulent energy dissipation rate of the dissipator are analyzed .

用PISO方法来解决速度场和压力场的耦合问题，得到了消能区压力特性、流场特性和紊动能耗散率等分布规律，详细地分析了收缩比对消能及空化特性的影响。

Numerical calculation of the free water vortex is carried out by using Reynolds stress turbulence model and PISO algorithm . VOF ( Volume of Fluid ) method is used to deal with the free surface problem .

采用雷诺应力湍流模型和PISO算法对自由水涡的运动全过程进行了仿真模拟，运用流体体积（VOF）模型处理自由表面问题，通过模拟计算得到了自由水涡的详细结构和运动过程。

PISO ( Pressure-Implicit with Splitting of Operators ) method which is based upon the close relation between velocity and corrected pressure is used to improve the calculating efficiency by reducing iterative time for convergence .

为了提高计算效率本文采用了PISO算法，它是基于校正压力和速度之间的高度近似关系的算法，PISO算法在计算过程中进行了相邻校正和偏斜校正，减少了达到收敛所需的迭代次数。

Coupling the CFD average value model in GT-POWER with three-dimensional model in STAR-CD , the paper has chosen standard k - ε model for simulating turbulence and used PISO arithmetic for modifying pressure and velocity field .

将GT-POWER中排气管的CFD平均值模型和STAR-CD中的三维模型耦合起来，选用标准的κ-ε模型模拟流场的湍流效应，采用PISO算法对压力场与速度场进行修正。

A heretic named Galileo climbed the Leaning Tower of Piso and dropped two rocks , one heavier than the other , and discovered that they hit the ground at the same time .

一个名叫伽利略的特异见者爬上比萨斜塔，使两块重量不等的石头落下，发现它们同时落到地面。

While in Fluent calculations , imported the corresponding UDF file with dynamic mesh theory to drive two counter-rotating rotors run synchronously . K-Epsilon turbulence model and PISO algorithm was used to simulate the lobe pump unsteadily .

Fluent计算中，应用动网格理论导入对应UDF文件驱动两转子同步反向转动，采用K-Epsilon湍流模型及PISO算法对凸轮泵非定常湍流计算。

The unsteady interaction between rotating impeller and vaned diffuser in a whole flow field is numerically investigated with STAR-CD , and PISO algorithmic , sliding mesh and multi-rotating coordinates are employed to solve the governing equations .

应用STAR-CD流动分析软件和PISO算法，采用滑移网格和多重旋转坐标系技术，全流场计算了旋转叶轮和叶片扩压器耦合的非定常流动。