这个模拟的时间步长如图5所示，但是实际的可视化会更加有趣。
Time steps of this simulation are shown in Figure 5, although the real-time visualization is much more interesting.
同时，给出了网格划分的方法和时间步长的确定方法。
At the same time, has given the grid division method and the time step definite method.
最后给出了根据时间步长推算的飞行轨迹简化计算模型。
Finally, a simplified flight track model was proposed based on time step.
这是一隐式格式，因而可放松稳定性对时间步长的限制。
量纲分析得到的特征时间为计算时间步长提供了参考值。
The characteristic time obtained from dimensional analysis offers a reference value for computational time step.
运用当地时间步长、隐式残值光顺、焓阻尼等措施加速计算收敛。
Local time step, implicit residue averaging, enthalpy damping are used to accelerate the convergence.
采用了当地时间步长、压强阻尼及隐式残值平均方法来加速收敛。
The technique of local time stepping, pressure damping and implicit residual smoothing are used to increase the convergence rate.
最大时间步长对数值模拟的精度在一定的范围内影响是比较小的。
The maximum time step has a little influence on the numerical simulation precision within a limit time step.
在计算非定常流动时采用贴体运动网格，每一个时间步长生成一次。
The moving grids are attached to the wing and are generated at every time step in the calculation for the unsteady viscous flows.
一旦找到一个稳定的时间步长，进一步减少它不会显著增加解的精度。
Once a stable time step is found, further reduction will not appreciably increase solution accuracy.
根据电热耦合模拟的特点，本程序采用了组解耦法和异时间步长法两种算法。
According to the characteristics of electro thermal simulation, two new methods, group decoupled (group Gummel) method and different time step method, are realized in this program.
通过对流场及温度场分别采用不同的计算域和时间步长，大大提高了计算效率。
We adopted different time steps for the calculation of the flow and temperature field, which improve the efficiency greatly.
该方法导出的格式是线性的，即在每个时间步长上只需解一个线性代数方程组。
The scheme resulting from this method is linear in the sense that it requires only to solve a single linear algebraic system at each time step.
每一个时间步长，用有限元方法解二维的拉普拉斯方程，求出箔上的电势分布。
For every time step, the two dimensional Laplace's equation is solved by a finite-element method, so the potential distribution over the foil is given.
但时间步长不再受稳定性条件的限制，只需考虑数值色散误差对其取值的制约。
A remarkable advantage of the proposed method is that the Courant stability condition can be totally removed, and the time step size is limited only by the numerical dispersion errors.
采用了时间步长法、等效法以及二者结合的等效时间步长法三种方法求解模型。
The model was solved with the application of different methods, such as time step method, equivalent method and their combination.
为提高计算效率，采用了多重网格法、当地时间步长和残差光顺等加速收敛措施。
Residual smoothing, local time stepping and a new multi-grid scheme were employed to improve calculative efficiency and accelerate the convergence.
它是一组典型的刚性常微分方程组，用一般方法求解时只能选用很小的时间步长。
This is a set of typical stiff ordinary differential equations, very small time step could only be adopted when solving the set of equations with common methods.
计算程序使用分布体力方法模拟粘性，用局部时间步长和多重网格方法加速收敛。
The turbulence eddy viscosity was simulated by B L model and region time steps with the multigrid techniques being used in the code in order to accelerate the convergence.
在人工调节时间步长法中，通过人为控制方程中算子能量变化的办法调整时间步长；
The first one is the artificial method in adjusting to the time step, which can be realized by controling the variation of operator energy in equation artificially.
在积分过程中简单地减少时间步长的办法，不仅延长计算时间，而且会更阻止收敛。
Simply decreasing the time-steps in the integration scheme not only costs more computer time, but also may deprive the convergence at all.
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。
The methods of local mesh refined, dynamic time step and lumped heat capacity matrix were introduced to resolve the numerical oscillation problem.
基于刚性体推动模型，采用步长自适应技术根据模型的运算需要选择适合的时间步长。
Based on the rigid pushing model, a FE model with auto-increment technique was proposed.
同时，耦合时间步长还可以对耦合系统中大气及海洋变量的增长率及传播方向产生影响。
Meanwhile the growth rate and propagating direction of the variables of atmosphere and ocean in the coupled system are sensitive to the coupled time steps.
对变速转子准稳态主动平衡系统，可按一定时间步长把变转速离散成有限个转动角速度。
For a quasi steady-state active balancing system of a speed-varying rotor, according to certain time steps the varying speed of the rotor is discretized into finite constant angular speeds.
对于流体-结构耦合中每时间步长计算的动网格算法主要考虑网格的稳定性和计算效率。
The robustness and efficiency for coupled structure-fluid time marching computations have been emphasized in mesh deformation algorithm.
在相同的时间步长下，它与文献公布的各种改进型方法的结果相比，精度大致相当或略优。
Using equal time steps, the results from the method are almost the same (in accuracy) as or somewhat better than the results from other advanced methods.
为了减少计算时间，研究了并行、隐式DP - LUR方法、双时间步长法等计算加速技术。
In order to reduce time consuming of computation, some accelerated techniques were studied such as parallel, implicit method of DP-LUR and dual time stepped method.
算例也表明了当时间步长取为常规FDTD时间步长100倍时，该算法仍然是无条件稳定的。
Numerical simulation shows that the time-step size can be set 100 times as large as that of the conventional FDTD method, while the C-N FDTD algorithm is still unconditionally stable.
算例也表明了当时间步长取为常规FDTD时间步长100倍时，该算法仍然是无条件稳定的。
Numerical simulation shows that the time-step size can be set 100 times as large as that of the conventional FDTD method, while the C-N FDTD algorithm is still unconditionally stable.
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