Characteristic finite difference franctional steps methods for three - dimensional compressiblemulticomponent displacement problem 三维多组分可压缩驱动问题的分数步特征差分方法
Time - dependent variable grid finite difference method along characteristics for nonlinear convection - dominated diffusion problems 一类非线性对流占优扩散方程的特征变网格差分方法及分析
The conservative full - potential equation is solved by a time - accurate approximate factorization algorithm and internal newton iterations 用时间精确近似因式分解差分方法求解守恒型非定常全位势方程。
It is also proved that gdop is smaller with differential measurement than pseudo range measurement . in practice , we can use 在实际应用中,可以采用差分方法来减小区域导航系统的几何精度因子数值以提高定位精度。
Fi nite e1ement and finite difference are two primary methods used in the so1 ut ion process of di fferentia1 equat i on 水动力模型采用二维浅水风生流模型,有限元方法和有限差分方法是求解偏微分方程的两种主要方法。
The 1eap - - frog method i s offered to ca1cu 1ate the hydrodynamic equat ion in 1hi s di sserta1 i on and 1he so1u1ion is di scussed 本文就使用有限差分方法中的跳点法求解水动力方程的具体过程进行说明,并给出计算结果。
Such as finite element method ( fem ) and finite differ ence time domain ( fdtd ) . fdtd is direct time domain method for solving maxwell ' s equations 因此,近年来发展了很多算法,如有限元( fem )和时域有限差分方法( fdtd ) 。
Kruijt p g m . analysis and optimization of laminar mixing : design , development and application of the mapping method , phd thesis , eindhoven university of technology , 2000 张涵信,沈孟育,计算流体力学-差分方法的原理和应用.国防工业出版社,北京( 2003 ) , 5
We use two numerical methods to solve the shallow water equations : one is finite difference method ; the other is finite volume method 我们借助于数值方法对浅水波方程进行了数值求解,所使用的数值方法有两种:一种是有限差分方法;另一种是有限体积方法。
The heat transfer of the wall and the internal thermal mass is considered in this model . the control equation can be solved by an implicit finite - difference method 利用有限差分方法对该数学模型得到的控制方程组进行离散,并对离散得到的差分方程的计算求解过程进行了编程。