A simple dynamic grid generation method is introduced by weighted method to colligate the merits of the rigid dynamic grid generation method and the trans-infinite interpolation method. 通过引入一种简便易行的加权函数来综合刚性动网格生成技术和超限插值生成动网格这两种方法的优点,发展了一种计算量小、比较实用的加权动网格生成技术。
The SIMPLE algorithm was established based on nonorthogonal collocated grid by using finite volume method. 利用有限容积法建立了基于非正交同位网格的SIMPLE算法。
The finite volume method is used to discrete the flow controling equations on staggered grid and the SIMPLE algorithm is adopted to solve the equations. 采用有限容积法在交错网格上对流动控制方程离散,然后采用SIMPLE算法求解。
On the non-staggered grid system, the discretization equations are solved with SIMPLE algorithm. The couple of the gas phase and the liquid phase is carried out by the PSIC method. 在同位网格系下气相采用SIMPLE算法求解,气液两相流动用PSIC法模拟。
A simple and efficient so called semi-adaptive grid method has been developed in the paper. One speciality of this method is that all numerical calculation are carried out on the physical plane. 本文发展了一种简单而有效的所谓半自适应网格方法,该方法的一个特点是所有的计算均在物理平面上完成。
The Breakage of Droplets in Liquid-liquid Hydrocyclones Then, the breakup process is simulated by choosing VOF multi-phase model, quadrangle grid and SIMPLE method. 在此基础上,选用VOF多相流模型、四边形网格和SIMPLE算法,设定不同的气液相对速度、液滴初始粒径等参数,对液滴破碎过程进行了数值模拟。
A simple and practical digital topographic model of the band-formed grid method has been chosen. 本方法选用了简单实用的带状方格网式数字地形模型。
In the case of using simple stagger grid, by the way of velocity modification for calculating flux of a control volume, the well-known problem of checkerboard distribution of pressure and velocity fields in the pressure-based method is well settled. 在采用简单交错网格的情况下,通过对计算控制体通量的速度进行修正的方法解决了N-S方程压力修法算中遇到的压力场和速度场呈锯齿状分布的问题。
The main contents in this dissertation: ( 1) Explained the implement steps of unstructured grid Delaunay triangulation method, introduced standard k-e turbulent model and RNG k-e turbulent model and each character, and concluded basic steps of SIMPLE algorithm of unstructured collocated grids. 阐述了非结构网格Delaunay三角化方法的实施步骤,介绍了标准k-ε紊流模型与RNGk-ε紊流模型及各自的特点,归纳了非结构同位网格上SIMPLE算法的基本步骤。
A simple grid generation method is applied to gain the finite element network, and least square method was adopted for the elevation interpolation. 采用一种简单便捷的三角形网格生成方法生成有限单元三角形网格,运用距离最小二乘法插值补足节点高程值,良好的拟合计算区域边界并快速获得水下地形。
The numerical simulation method of gas-fired warm air heater paper is also discussed, and control equations, turbulent models, radiation models, method of grid generation, dispersing method of control equations, SIMPLE algorithm are introduced detailedly. 对该燃气暖风机流场的模拟计算的数值方法进行了讨论,详细介绍控制方程、湍流模型、辐射模型和网格生成方法、控制方程的离散方法、SIMPLE算法等内容。
A two-dimensional incompressible diffuser flow was numerically simulated employing no staggered grid arrangement and incompressible SIMPLE method to solve GAO-YONG turbulence equations. 采用基于同位网格的SIMPLE方法求解GAO-YONG不可压湍流方程组,对二维扩压器流动进行了数值模拟。