in this paper, the conservative upwind finite difference methods for an unsaturated soil water flow equation are studied.
本文考察了非饱和水流问题模型方程的守恒型迎风差分法。
operator-splitting techniques were used for the reactive transport model with an implicit upwind finite difference scheme to solve the convection-dispersion equations.
应用算子分裂技术并设计了一种特殊的迎风差分格式,使得模型求解速度加快。
at the same time, based on the result, it is concluded that the upwind finite difference scheme for solving the one dimensional heat transfer equation for sg is stable.
同时,根据这个结果分析得到了求解蒸汽发生器一维传热方程的逆风有限差分格式是稳定的。
in this paper, the discrete solution are generated by an upwind finite difference scheme and the grid is formed by equidistributing a monitor function based on arc-length.
用等分弧长函数来控制网格剖分,用迎风有限差分格式来求解一类奇异摄动两点边值问题的自适应算法。
a penalty upwind finite element method is adopted to deal with the thermohalinedouble-diffusive system.
对温盐双扩散系统的对流扩散问题采用了罚函数迎风有限元数值方法模拟。
based on this theory, an existing high accuracy upwind finite volume computer code is improved to achieve the obiect of low dispersion.
在此基础上,改进了已有的高精度有限体积迎风格式计算程序,以达到低色散、高精度要求。
euler equations of generalized riemann variable are derived from unsteady primitive variable euler equations and solved by using two- a point-two-step upwind finite difference method.
该方法将原参数非定常欧拉方程组重新组合成以广义黎曼变量表示的欧拉方程组,再用二点二步迎风格式离散求解。
thus the shear flow component of a lubrication film is solved by modified upwind finite difference scheme and the pressure gradient flow component solved by finite element method with mass lumping.
先采用算子分裂法的迎风差分法求解剪切流动分量;再采用质量集中的有限元法求解压力差流动。