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- 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。
- For the special fluid problem, we use the multidomain algorithm with moving grids to resolve the moving boundaries problem, and simulate the unsteady flow by the dual time stepping method. 对于此类问题的特殊性，使用了带有移动 网格的分区算法 解决流场中的动边界问题，使用双时间步长的算法模 拟非定常运动。
- The dual time step procedure is used to simulate the unsteady flow through a one-stage compressor, and the result reveals that there are complex unsteady flow structures in the blade passage. 上游叶片排尾迹对下游叶片通道流动影响很大，它增加边界层损失，并在通道中与主流发生强烈掺混，最终使得出口流场及损失分布较为均匀。
- In this paper, two time stepping schemes, explicit four-stage Runge-Kutta scheme and implicit LU-SGS scheme, are employed to solve the governing equations. 在时间推进上,分别采用显式四步Runge-Kutta和隐式LU-SGS推进方法,对主控方程与湍流模型方程进行耦合求解,虽然本文工作侧重于定常绕流的数值模拟,但从原理上说,本文所开发的LU-SGS定常计算程序只需略做修改即可实现非定常流动模拟;
- Jameson A, Schmidt W, Tarhel E.Numerical Solution of the Euler Equations by Finite Volume Methods Using Runge-Kutta Time Stepping Schemes [J]. 王勖成;劭敏.;有限单元法基本原理和数值方法[M]
- COMPUTATION OF COMPRESSIBLE FLOW USING RUNGE-KUTTA TIME STEPPING SCHEME 可压流的龙格-库塔时间步进求解法及其应用
- The full potential equation is solved by the time - accurate approximate factorization algorithm and internal Newton iterations, and the Euler equation by the finite - volume resolution scheme and dual - time stepping. 对全位势方程采用精确隐式近似因式分解差分格式、牛顿内迭代算法。 对Euler方程采用有限体积法和双时间推进。
- Keywords cryosurgery;biological tissue;phase-change problem;blood perfusion;bioheat equation;variable time step scheme; 关键词冷冻外科;生物组织;相变传热;生物传热方程;血流灌注率;
- It can be implemented by simple finite difference scheme with a significantly larger time step. 模型允许选取较大的时间步长，可以用简单的有限差分格式实现。
- Vacheron Constantin, Overseas Dual Time, Reference: 47450/B01A-9226, Stainless Steel on a Stainless ... 参考 47450/B01A-9226;钢;自动上弦;所在地: 美国, MA, Boston;
- An Elegant and classic gold plated stretchable bracelet watch featuring Quartz dual time movement with 3ATM and 2 year guarantee. Batteries included. 雅致优美,古典精美手镯型,防水电子石英手表连电池,二年保养。
- In the case of large time step taken in calculation,implicit difference scheme is adopted in the discreted algebraic equations to ensure the numerical stability of the model. 通过选择研究对象各环节的控制容积数和时间步长，可使模型满足精度和计算速度的不同需要，在大时间步长时，采用了隐式差分格式，使得模型具有良好的稳定性。
- An elegant and classic gold plated stretchable bracelet watch featuring Quartz dual time movement with 3ATM and 2 years guarantee. Batteries included. 集优美典雅于一身的镀金及可伸缩之手镯型石英女装手表，两地时间显示，防水功能连电池，2年保用。
- In the numerical implementation, AOS scheme is adopted to eliminates limit of time step.So the large time step can be selected to accelerate the evolution velocity. 在数值算法上，利用加性可操作分裂算子(AOS)消除了对时间步长的限制，可以选择大步长，从而加速了演化过程而且绝对稳定。
- Hello! I come to have stepped on your domain, welcome time step on! 我来踩你的地盘了,欢迎回踩啊!
- The local time steps are determined by a local CFL condition. 该方法的局部时间步长取决于一个局部的CFL条件。
- The dancers timed steps to music. 跳舞的人按音乐节奏调整舞步。
- The dancers timed steps to music . 跳舞的人按音乐节奏调整舞步。
- Unsteady flow characteristics in a centrifugal pump volute were investigated by using duel time stepping method in the numerical simulation. 摘要采用双重时间步方法对一离心泵内部的液体非定常流动进行了数值研究。
- The Newton-Raphson increment iterative method is adopted with accelerating convergence technique as line search, DOF predictor, and automatic time stepping. 计算时,采用Newton-Raphson 迭代方法,并辅助了线性搜索技术、应用预测和自适应下降等加速收敛技术。
