Using local time stepping and implicit residual smoothing to accelerate the convergence.
为了提高收敛速度，采用当地时间步长、残值光顺的加速收敛措施。
A time stepping scheme is used for the transient analysis and a homotopy method is adopted to solve the process.
时域上采用精细算法进行离散，并应用同伦算法进行求解。
For steady computation, local time step method is used; for unsteady computation, dual time stepping method is used.
定常计算采用当地时间步法，非定常计算采用双时间步法。
The numerical method uses finite volume method in space and advances the solution in time using dual time stepping method.
空间采用中心平均的有限体积法进行离散，时间方向采用双时间法隐式推进求解。
The convergency and the stability of the scheme can be further improved by using local time stepping and residual smoothing.
通过采用当地时间步和引入余差光滑处理法，进一步提高了格式的收敛性和稳定性。
Residual smoothing, local time stepping and a new multi-grid scheme were employed to improve calculative efficiency and accelerate the convergence.
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。
The present solver USES a primitive variable formulation that is based on the artificial compressibility method combined with dual time stepping method.
求解程序采用虚拟压缩方法和双时间步的时间推进方案，对流项的差分采用高阶精度的数值差分格式。
The stability, starting problem, initial value of sub-iteration and convergence criterion of implicit iteration of the dual-time stepping method are studied.
对双时间步方法隐式迭代的稳定性、启动问题、子迭代初值和收敛性准则进行分析。
Unsteady viscous flows over the gliding flap of Multi-element airfoils are simulated and studied by using the moving overlapped grids and the dual-time stepping method.
运用动态嵌套网格技术和双时间推进算法，对多段翼型襟翼滑动的非定常黏性流进行了数值模拟和研究。
The time-stepping FEM model for the dynamic analysis of power system is established considering the nonlinear characteristics of internal generators and typology structures of external circuit.
建立了既考虑发电机内部非线性又考虑外部电路拓扑结构的用于系统动态分析的时步有限元模型。
The coordinates of grids on the wing surface and dipole strength on the trailing vortex surface were changed with respect to time-stepping.
翼表面网格坐标和尾涡面上的偶极强度随时间步进变化。
The perfect matched layer (PML) technique is used in ADI-FDTD calculation for the first time. The expressions for the exponential time-stepping algorithm in PML are derived.
首次把完全匹配层(PML)边界条件应用到adi FDTD计算中，采用幂指数形式的时间步进算法，推导了相应的迭代公式。
The perfect matched layer (PML) technique is used in ADI-FDTD calculation for the first time. The expressions for the exponential time-stepping algorithm in PML are derived.
首次把完全匹配层(PML)边界条件应用到adi FDTD计算中，采用幂指数形式的时间步进算法，推导了相应的迭代公式。
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