It is found that the numerical dissipation is second order and the numerical dispersion is third order.
得出该格式的数值耗散为二阶,数值频散为三阶。
It is shown that the present method can effectively reduce the numerical dissipation of the rotor wake.
计算结果表明,本文方法能够有效地减少旋翼尾迹的数值耗散。
The 4th order numerical dissipation for pressure was added in the continuity equation to avoid oscillations in pressure solution.
计算在非交错网格上进行,为了避免压力场的振荡,在连续方程中隐式地加入了压力的四阶数值耗散项。
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。
A two-dimentional, time-dependent numerical model is developed to simulate the formation, evolution and dissipation of advection-radiation fogs within the shallow-water swamp—land area (SWSLA).
建立了一个二维时变数值模式,模拟了浅水湖沼—陆面地区平流辐射雾形成、演变和消散的基本过程。
The numerical and analytic results show that the heat transfer rate obtained by potential capacity dissipation minimization is better than that by entropy generation minimization.
数值计算和理论分析的结果表明,根据最小传递势容耗散原理得到的结果优于最小熵产原理得到的结果。
The numerical results show that the presence of small dissipation causes a slow decrease of the amplitude and the propagation speed of the solitary waves and slow increase of the solitary wave width.
结果显示,小耗散的存在使孤波的振幅和移速随时间缓慢地减小,孤波宽度则随时间缓慢增大;
The energy dissipation term may be formulated for various physical mechanisms. A numerical result is presented.
能量耗损项可根据不同的物理模型使用不同的公式,并以实例对方法的数值计算结果作了验证。
The stability and convergence of the numerical scheme is analyzed, and the effect of the crossflow dissipation integral upon the calculation are examined.
文中分析了数值方法的稳定性与收敛性,并考查了横向耗散项对计算结果的影响。
The stability and convergence of the numerical scheme is analyzed, and the effect of the crossflow dissipation integral upon the calculation are examined.
文中分析了数值方法的稳定性与收敛性,并考查了横向耗散项对计算结果的影响。
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