Based on the cfd theories and routine numerical methods , the incompressible n - s equations are considered to be the governing equations in the paper 基于cfd基本理论知识和常用数值计算方法，本文选取不可压n - s方程作为控制方程。
It is helpless for classical mathematics and mechanics method to solve contact problems ; resorting numerical compute method is necessary 经典的数学方法和力学方法对大多数接触问题都难以解决，因此需要使用数值计算方法进行求解。
In present dissertation , a high performance scheme is employed to simulate the complicated flow field inside centrifugal impeller passages 本文应用一种高性能的数值计算方法求解了离心叶轮内部复杂的三维流场，研究了它们的气动性能。
To avoid aimlessness in choosing design parameters , the variable permission scopes were computed and protracted by applying numerical method 为避免机构综合过程中设计参数选取的盲目性，利用数值计算方法确定并绘制设计变量的可取值域。
The reasonableness of the numeric method for computing limiting concentration of light component in distillate is confirmed using the calculated results of the example 通过举例计算检验了馏出液中轻组分极限浓度的数值计算方法的合理性。
Owing to the complex shape and dimension , magnetic field computation can not be accomplished by analytical method , but by numerical computation 由于旋转磁场具有复杂的形状和尺寸，因而磁场的计算很难用解析法完成，而只能采用数值计算方法。
By the way of numeriscal counting , fraunhofer diffraction are discussed , which can be aguide to computer analog of aptics experiment and digital image 摘要用数值计算方法，讨论了夫琅和费衍射特征，对光学实验的计算机模拟及数字成像有指导意义。
Theoretical analysis an practical numerical calculation result indicate that mathematical models and numerical calculation methods in the paper is exactly reliable 理论分析和实际仿真计算结果表明，本文所采用的数学模型及数值计算方法是可靠的。
Using computational method , wo calculate nilsson diagram which is very important in researching nuclear structure , and wave function of some levels was also given 用数值计算方法计算了在核结构研究中非常重要的nilsson能级图。并给出了部分波函数。
Mesh generation is the first step to solve partial differential equations by means of the finite element method , finite difference method and finite volume method 网格生成是有限元法、有限差分法以及有限体积法等数值计算方法求解偏微分方程组的先决条件。
