在非交错网格系统下采用控制容积法和混合差分格式来离散控制方程,并应用SIMPLE算法对离散方程进行求解。
The discretization of governing equations on a non-staggered grid system is performed by hybrid scheme over the control volume, and discretization equations are solved with SIMPLE algorithm.
针对一维扩散方程,给出一种新型差分格式的待定系数法,并以两种新型差分格式为例进行稳定性和截断误差分析。
Taking one-dimensional diffusing equation as the object of study, a method of undetermined coefficients was given. Then gave two examples and analyzed their stability and truncation error.
局部隐式有限元法是在一般有限元法的基础上,兼容了TVD差分格式和有限体积法的某些特点,形成的一种新型算法。
A new algorithm, locally twitch finite element method is developed on the base of the general finite element method, mixed with total-variation-diminishing (TVD) scheme and the finite volume method.
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