数值模拟计算采用全隐格式差分方法,用水分冻结量的增量处理相变潜热。
The fully implicit difference method was employed, and the latent heat release was handled with the increment of frozen water fraction.
作者详细分析了显、隐格式的CFL数后,指出影响CFL数大小的关键原因在于离散方式。
After a detailed analysis of the CFL number of explicit and implicit scheme it is noted that the key factor influencing the magnitude of CFL lies in a discrete form.
以此隐格式为基础,设计出交替分组显式(AGE)迭代方法,并证明了该迭代过程的收敛性。
Then on the base of this scheme, an alternating group explicit iteration ( AGEI) method is proposed and its convergence is proved.
本文采用显格式与隐格式交替使用的方法,针对一阶线性双曲方程提出了一种隐-显迎风差分格式。
In this paper, an implicit-explicit upwind difference scheme for the first order linear hyperbolic equation is proposed using explicit scheme and implicit scheme alternately.
针对新型荫罩式PDP显示单元结构的实例计算结果表明,使用半隐格式求解电场可使计算速度提高80倍左右。
For the SM-PDP cell structure, the calculation speed with the novel method is 80 times faster than those with the conventional way.
在对二维理想磁流体力学方程组采用多步隐格式进行数值处理后,利用长时间渐近方法计算得到了太阳风的盔状流动解。
After treating the two-dimensional ideal MHD equations with a multistep implicit scheme, we obtained a helmet streamer solution of the solar wind near the sun by use of the numerical method.
由于二维三温热传导方程具有很强的非线性特性,因此采用全隐格式对该方程离散后,所得非线性代数方程组的求解将变得非常困难。
As 2-d 3-t heat conduct equations are discretized in a fully implicit method, it is very difficult to solve the nonlinear algebraic equations obtained due to strong nonlinearity.
隐式格式是一种很有效的格式。
斜压原始方程半隐式全能量守恒格式的构造问题长期没有解决。
The design of a total energy conserving semi-implicit scheme for the multiple-level baroclinic primitive equation has remained an unsolved problem for a long time.
多点成形过程采用静力隐式格式进行数值模拟是比较合适的。
The process of Multi-Point Forming (MPF) should be simulated by finite element with static implicit scheme.
并采用基于线性化流量的隐式格式和非结构化网格,使程序具有较高的收敛效率。
Higher rates of convergence are obtained by using an implicit scheme relying on a linearization of fluxes and c-type unstructured meshes.
提出了应用“假想边界”求解数学模型的隐式差分格式的方法。
The method of solving the implicit scheme of difference equations by means of imaginary boundary condition was proposed.
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.
根据喉部沉积的传热模型建立了偏微分方程组,采用有限差分完全隐式格式进行数值分析计算。
On this heat transfer model the differential equations were based, and the finite difference complete concealed grids were used in the numerical analysis computation.
对于隐式差分格式,建议了一种交替方向追赶和外边界插值相结合的办法。
An alternating direction implicit difference scheme is proposed in combination with extrapolated treatment of the conditions on the outer boundary.
采用交替显隐式有限差分格式对渗流场模型进行了求解。
The finite difference scheme - ADI method is used to solve the seepage field model.
这个方法使用了水土势双曲正弦变换的隐式差分格式。
The method is an implicit iterative scheme with a hyperbolic sine transform for the matric potential.
文中给出了流函数方程及边界条件的坐标转换形式和离散格式,采用了强隐式(SIP)迭代法,分别对具有弓形和半弓形突体的直管进行了计算。
In this paper, the transformed forms of the flow function equation and boundary conditions and their difference expressions are given, and Strongly Implicit Procedure (SIP) iteration is used.
通过对示踪剂质量浓度方程的简化处理,给出了一种简化的数学模型,以及一种简化模型的隐式差分格式。
In this paper, a simplified mathematical model on tracer density equation is given, and an implicit difference scheme on the model is derived.
文中针对圆管式径向对称流向变换反应器三维模型,利用交替方向隐式方法(adi)建立新的求解格式。
A new computational scheme was developed to solve a three-dimensional model of a periodic flow reversal reactor by ADI alternating direction implicit method.
所得的结论对于用显式或隐式差分格式解实际流动问题时,会有一定的指导作用。
The conclusions obtained in this paper will play a role in solving practical flow problems with explicit or implicit finite difference schemes.
这是一隐式格式,因而可放松稳定性对时间步长的限制。
构造了一维非定常自由面浅水流动的隐式守恒差分格式。
An Implicit conservative scheme for ID unsteady free - surface shallow water flows is presented.
提出了一个隐式差分格式。
提出了二阶精度隐式矢通量单步差分格式并用来求解跨压器进气道、叶栅的跨音流场。
An implicit flux vector splitting form in one-step with second-order accuracy was proposed for solving the transonic flow fields of air channels and cascades of diffusers.
采用斜向差分算子,建立斜向隐式差分格式,再结合边界条件,对扩散方程进行求解。
Based on the skew direction difference operator, the implicit skew difference schemes were constructed, and the boundary condition was unified, to solve the diffusion equation.
河网汇流采用隐式差分格式。
Drainage confluence is calculated by implicit difference scheme.
讨论了用隐式完全守恒差分格式求解流体力学方程组,用变分原理求解热传导方程等特点。
Features of solving the hydrodynamic equations by the fully conservative implicit difference scheme and solving the thermal conductive equations by the variational method are discussed.
本文研究二维常系数反应扩散方程的紧交替方向隐式差分格式。
Secondly, a compact ADI difference scheme is presented by introducing a variable of intermediate value.
本文研究二维常系数反应扩散方程的紧交替方向隐式差分格式。
Secondly, a compact ADI difference scheme is presented by introducing a variable of intermediate value.
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