This method could efficiently overcome the numerical oscillation and improve the calculation accuracy in spatial to second order.
普通的迎风差分格式只有一阶精度，修正的迎风差分格式可以把空间的计算精度提高到二阶。
The methods of local mesh refined, dynamic time step and lumped heat capacity matrix were introduced to resolve the numerical oscillation problem.
为了解决数值振荡问题，采用了局部网格细化、动态时间步长和集中热容矩阵等方法。
This algorithm can not only accelerate the convergent speed and remove the numerical oscillation, but also apply to many kinds of changeful boundary conditions.
该算法能够加速收敛、消除数值振荡，且与实测结果相当吻合，适用于复杂多变边界条件下土体的冻胀计算。
Case study shows that, instead of dissipation of discontinuity and numerical oscillation, the model can capture discontinuity and eliminate spurious numerical oscillation.
模拟算例表明该模型能够自动捕捉间断且能消除激波附近的虚假数值振荡，克服了在间断处过分耗散和数值振荡的缺点。
However, if the heat capacity matrix is not lumped, the numerical oscillation problem can not to be resolved even though by refining the local mesh or by decreasing the time step.
如果不进行集中热容矩阵，无论是细化网格还是减小时间步长，其解决数值振荡问题的效果都不好。
For the nonlinear convection-dominated diffusion equation, the method can stabilize the numerical oscillation, accelerate the convergence and improve the computational efficiency.
对于非线性对流占优扩散方程，不仅可以消除因对流占优项引起的数值振荡现象，更重要的是可以加快收敛速度、提高计算效率。
For the nonlinear convection-dominated diffusion equation, this method can not only stabilize the numerical oscillation but also accelerate the convergence and improve the computational efficiency.
对于非线性对流占优扩散方程，不仅可以消除因对流占优项引起的数值振荡现象，还可以加快收敛速度、提高计算效率。
To investigate into shallow water effect, numerical simulations of the fishtailing oscillation in shallow water and stability analysis have been carried out.
为了调查浅水效应，还进行了浅水中的鱼尾状摆动的数值模拟和稳定性分析。
A mathematic model of the linear damped oscillation of swing with parameter exciting is presented. The theoretical analysis and numerical simulation for the motion behavior of swing is done.
建立了具有线性阻尼的秋千参激振动的数学模型，并对秋千的运动行为作了理论分析与数值模拟。
This paper discusses the numerical simulation method for oscillation reactions by using MATLAB, and studies nonlinear kinetic phenomena of sulfuric reactions.
作者讨论了使用MATLAB对振荡反应进行数值模拟的方法，应用该方法对硫化学反应非线性动力学行为进行了模拟。
By combining the merits of the analytic method and those of the numerical method, this paper proposes a new method for solving the problem of mechanical vibration and electrical oscillation.
结合了解析方法和数值方法优点，本文提出了一种求解机械振动和电振荡问题的新方法。
Due to intense oscillation of these integral, calculation using direct numerical integral, i. e., GPSS (the generalized point source synthesis method), is complex.
由于这类积分的强烈振荡性，直接数值积分，即通常的广义点源叠加方法(GPSS)，计算比较复杂。
Due to the hyperbolic properties of convection-dominate dispersion equations, the central difference formula often cause numerical dispersion and oscillation even it has two-order precision in space.
由于对流为主的弥散方程具有双曲性质，中心差分格式虽然关于空间步长具有二阶精度，但会产生数值弥散和非物理力学特性的数值振荡，使数值模拟失真。
Numerical experimental results prove that the algorithm can compute integral for any functions in the usual sense, and compute oscillation function integral.
数值计算结果证明，该算法可以快速计算通常意义下任意函数的定积分，并能计算振荡函数的积分。
Based on the homogeneous model, the numerical computation for the oscillation period and amplitude of pressure drop type instability was conducted.
根据两相流的均相模型，对压力降型脉动的周期和振幅进行了数值计算。
In this paper, a new numerical method of parameter-oscillation mode analysis for large power systems is presented.
本文给出了一种大规模电力系统参数—振模分析的新的数值方法。
We establish nonlinear dynamics model, make a linear stability analysis and numerical value simulation for the electrochemical oscillation phenomena observed in experiment.
针对甲醇电化学氧化过程中观察到的电化学振荡现象，建立了非线性动力学模型并对模型进行了线性稳定性分析和数值模拟。
We establish nonlinear dynamics model, make a linear stability analysis and numerical value simulation for the electrochemical oscillation phenomena observed in experiment.
针对甲醇电化学氧化过程中观察到的电化学振荡现象，建立了非线性动力学模型并对模型进行了线性稳定性分析和数值模拟。
应用推荐