利用时间相关法设置定常流动收敛准则等。
The steady convergence criteria are set up using the time marching method.
目的应用两维对称模型模拟腹主动肪血管瘤的定常流动。
Objective Two-dimensional symmetrical models are used to simulate the steady flow in the AAA models.
详细分析了叶片扩压器内部的非定常流动现象和流动规律。
The phenomenon and law of unsteady flow in blade diffusor is analyzed in detail.
本文对叶型优化在非定常流动条件下的效果进行数值研究。
In this paper, the blade optimization effect has been investigated by numerical method under the condition of unsteady flow.
实际上，在通风网络发生灾变的情况下经常会遇到非定常流动。
Actually, in the case of ventilation network disaster airflow always was unsteady flow.
且不同模态下出口马赫数对非定常流动的影响规律表现不尽相同。
Moreover, the law governing the influence of the outlet Mach number on the unsteady flow under various modes is found to be not always identical.
我们首先考虑二维不可压缩流体通过正交各向异性土层的定常流动。
We will consider first the case of two-dimensional incompressible steady flow through orthotropic soil.
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.
矿井火灾时期，火源巷道内高温流体运动为非定常流动以及传热传质过程。
In mine fire period, the movement of high-temperature flow is a process of unsteady flowing, heat transferring and mass transferring in fire tunnel.
对压力波制冷机内非定常流动过程、波系结构、激波形成机理等进行了探讨。
The unsteady flow, structure of waves and mechanism of the forming of shock wave in pressure wave refrigerator are investigated in the present paper.
水力管网系统中非定常流动特性的研究具有重要的理论意义与工程应用价值。
There is a great significance of theory and valuable application of engineering about the research of unsteady flow character in the system of hydrodynamic piping network.
在此基础上对射流泵内非定常流动进行了数值模拟，得到了合理的计算结果。
The unsteady flow in a jet pump is calculated and the reasonable calculation result was gotten based on above research.
证明五面体双特征曲线网格方法可用来研究非定常流动条件下的推力偏心特性。
The pentahedral bicharacteristic curve grid can be applied to investigate the thrust misalignment characteristics in a unsteady flow.
利用有限差分方法得到了动脉管系内非牛顿流体的准二维不定常流动的数值解。
A numerical solutions of quasi-two-dimensional unsteady flow of non-Newton fluid in the arterial pipe system is obtained by finite difference method.
证明五面体双特征曲线网格方法可用来研究非定常流动条件下的推力偏心特性。
The pentahedral bicharacteristic curve grid can be applied to investigate the thrust misalignment characteristics in a unsteady f.
本文提出广义一维非定常流动的模型，用以计算内燃机进、排气管中气体的流动。
This paper presents a generalized one-dimensional unsteady flow model for the calculation, of gas flow in manifold of I.
叶轮机内部非定常流动与叶片表面负荷分布之间的关系对于叶轮机的设计非常重要。
The relationship between unsteady flow and blade loading distributions is very important in the design of turbomachinery.
对此方向的深入研究，对于进一步挖掘叶轮机非定常流动的潜力开辟一条新的道路。
Working on this project will open a new road to explore the potential of unsteady flow.
在内弹道计算中，设燃烧产物为准定常流动，使用分段解析法进行内弹道的数值模拟。
The numerical simulation was carried out to compute internal ballistics by segmented analytical method in the assumption of grains steady flow of burning product.
管道动力系统中非定常流动工况是不可避免的，并且在一定条件下，具有强瞬变特性。
The operating mode of the unsteady flow in the dynamic system of the pipeline is inevitable, and has the character of the strong transitory in certain cases.
运用罚有限元方法，对油泵导壳内部三元粘性不可压缩定常流动建立了罚有限元方程。
The penalty finite element equation for ternary viscous incompressible permanent flow inside the guide shell of an oil transmission pump is established by using the penalty finite element method.
介绍了进排气系统一维非定常流动的FVM-TVD法（总残差减少的有限体积法）。
In this paper, a FVM-TVD method for simulation of one-dimensional unsteady flow in inlet and exhaust manifold of ICE has been constructed.
将特征线理论用于这些方程，得出了特征相容关系，并由此确定了定常流动中的边界条件。
Applying the characteristics theory to the equations, the characteristic compatibility relations are obtained, and the boundary conditions are established.
对单级切线泵在设计工况进行了定常流动数值模拟，分析了叶轮流道及蜗壳内的液体流动情况。
The numerical analysis of a whole flow field for a single stage tangent pump was presented.
基于CFX软件平台，对带无叶扩压器离心叶轮机械内部的非定常流动进行了数值计算分析研究。
The unsteady flow within a centrifugal fan with vaneless diffuser was numerical simulated and analyzed on the CFX software flat.
采用离散涡方法数值仿真了不同来流攻角下，固定与动边界叶栅绕流。在设计工况时流动接近定常流动。
The unsteady flow past stationary and oscillating cascade for off-design performance respectively are simulated numerically with the Discrete Vortex Method.
从非定常流动和弹性叶片振动相耦合的角度来研究叶片的强迫响应，对于叶片的高周疲劳具有重要意义。
From the standpoint of coupling of non-steady flow with elastic blade vibration, studied was the forced response of blades, which is of major significance for the high-cycle fatigue of blades.
为了研究蒸汽凝结对流动的影响，采用商用软件CFX -5数值模拟了某大功率凝汽式汽轮机末级的定常流动。
For investigating the effect of steam condensation on the flow, the steady flow on large power condensing turbine last stage was numerical simulated with commercial computational software CFX -5.
为了给我国的高速铁路设计提供理论依据，采用特征线法对高速列车进入隧道引起的一维非定常流动进行了数值研究。
One dimensional unsteady flow induced by a high speed train entering a tunnel was numerically studied using the method of characteristics.
为了给我国的高速铁路设计提供理论依据，采用特征线法对高速列车进入隧道引起的一维非定常流动进行了数值研究。
One dimensional unsteady flow induced by a high speed train entering a tunnel was numerically studied using the method of characteristics.
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