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.
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.
通过模拟结果与解析解的比较可以看出，在时间步长选择合适的情况下，集中热容矩阵能够很好地解决数值振荡问题；
The results show that the simulation results fit the theoretic results(by separate variable method)very well when the heat capacity matrix is lumped with appropriate time step.
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.
研究结果表明，从模拟连续模型的精度上看，时域离散化使集中质最有限元法优于一致质量法，前者可取较大时间步长。
This paper shows that the time discretization makes the lumped-mass method much better than the consistent-mass one as accuracy is concerned for simulating wave motion in the continuous model.
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.
然后以时间步长为日，运行新安江模型，用模拟的月径流过程验证了解集方法的合理性。
The two methods are validated by running the Xin'anjiang model at a daily time step from the monthly data, and the model outputs are more accurate than the monthly hydrological model.
求解方法的稳定实现了大时间步长模拟，保证了模拟实时性和稳定性，最后模拟得到二维的烟雾效果。
The method is unconditionally stable. The big time step can be taken to ensure real-time simulation. Finally, get the simulation results of 2d smoke.
求解方法的稳定实现了大时间步长模拟，保证了模拟实时性和稳定性，最后模拟得到二维的烟雾效果。
The method is unconditionally stable. The big time step can be taken to ensure real-time simulation. Finally, get the simulation results of 2d smoke.
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