1) dual time stepping method
双时间推进法
1.
A dual time stepping method is used to solve the unsteady two dimentional Navier Stokes equations for the unsteady motion of airfoils oscillating at high angle of attack.
本文采用双时间推进法、顶点格式有限体积法求解非定常ＮＳ方程，应用多层网格技术计算了ＮＡＣＡ００１２ 翼型大迎角振荡绕流，并对伪时间推进收敛精度、物理时间步长、多层网格迭代方式等对计算结果与计算ＣＰＵ 时间的影响进行了讨论，另外还讨论了采用Ｂａｌｄｗ ｉｎ－ Ｌｏｍ ａｘ 湍流模型时用固定转捩或全湍流模式对计算结果的影响，并与实验结果进行了比较。
2) dual-time stepping method
双时间推进算法
1.
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。
2.
Unsteady viscous flows over gliding flap of multi-element airfoils are simulated and studied by using 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粘性流进行数值模拟和研究。
3) explicit time marching method
时间推进法
1.
According to the theory of the multi-grid scheme,this paper puts forward a new multiple-grid scheme in the calculation of the diffuser grid flow field of NASA67,which is used with the combination of explicit time marching method,finite volume difference code and distributed body force.
根据在流场数值计算中使用多重网格方法可以加速收敛的原理,在叶栅流场控制方程使用有限体积差分法进行离散的前提下,提出了一种新的4重网格方法来加速求解压气机叶栅可压缩流动,该方法可以与显式时间推进法有效配合使用。
4) time marching method
时间推进法
1.
In this paper the incompressible Reynolds-averaged Navier-Stokes equations for the centrifugal pump were solved by using of time marching method.
本文使用时间推进法求解离心泵内部不可压缩流的紊流时均Reynolds方程。
2.
The time marching method was used to solve the control equations, and a computational analysis of the flow field in a centrifugal compressor with unshrouded impeller and vaned diffuser was presented.
应用时间推进法求解连续性方程、时均N-S方程、能量方程、理想气体状态方程及Yang＆Shihk-ε紊流模型,对含分流叶片的半开式叶轮及叶片扩压器组成的离心压缩机模型级级内三维粘性流场进行了数值分析,得出了与实测结果一致的性能曲线。
3.
This paper puts forward a new multiple gird scheme, which is used with the combination of explicit time marching method, finite volume difference code and distributed body force.
本文提出了一种新的多重网格法 ,并将之与显式时间推进法、有限体积差分格式、粘性体积力法配合使用求解离心压气机内部流场。
5) time-marching method
时间推进方法
1.
The Euler solution is obtained using time-marching method by MacCormack two-step finite-difference scheme,which has second-order accuracy in both time and space.
欧拉方程的数值离散采用了具有时、空二阶精度的MacCormack显式分裂的两步格式,用时间推进方法得到其数值解。
6) implicit time marching method
隐式时间推进法
1.
To suppress these two shortcomings, we developed a computational method based on preconditioning techniques and implicit time marching method.
以预处理方法为基础 ,采用了有限体积法 ,并将高精度高分辨率迎风格式与隐式时间推进法 LU- SGS格式结合 ,对低速到超音速范围内的流动进行数值分析。
2.
A high order accurate computational method based on a time derivative preconditioning algorithm is developed in order to calculate inviscid and viscous flows at various Mach numbers by using the implicit time marching method.
应用隐式时间推进法对不同马赫数的无粘和粘性流动进行数值分析 ,给出了基于预处理方法的高阶精度隐式求解方法。
补充资料：固液混合火箭推进剂(见火箭推进剂)
固液混合火箭推进剂(见火箭推进剂)
solid-liguid hybrid rocket propellant
guye hunhe huoiian tui)in)i固液混合火箭推进剂(s olid一Iiguid hy-brid rocket proPellant)见火箭推讲齐，}_
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条