一类可压缩流的马赫数极限。
本文提出了求解三维定常无粘可压缩流场问题的一种隐式时间推进法。
An implicit time-marching method is presented for computing the three-dimensional steady inviscid compressible flow fields.
采用流函数-涡量法对粘性不可压缩流体的二维瞬态流动进行模拟计算。
The stream function-vorticity method has been used to simulate two-dimensional transient state of incompressible viscous flow.
研究了在不可压缩流中具有立方非线性俯仰刚度的二元机翼的颤振问题。
This paper studies the flutter of a two-dimensional airfoil in the incompressible flow with cubic non-linearity in the plunging direction.
第四章主要研究二维等嫡可压缩流轴对称活塞问题激波解的整体存在性。
In Chapter IV, we focused on the global existence of 2-d piston problem in isentropic compressible flow.
在跨声速风洞中研究了声激励对于可压缩流中细长旋成体大迎角流动非对称性的影响效果。
The effect of acoustic excitation on the flow asymmetry over a slender body in compressible flows was investigated in a transonic wind tunnel.
本文数值实验中的一些结果对粘性不可压缩流固壁数值边界条件的处理可能具有一定的普遍意义。
The results obtained from this numerical experiment may be of some universal significance for the treatment of rigid wall boundary conditions of viscous incompressible flow.
本文在交错网格上对二维驱动方腔流问题进行计算，求解了二维不可压缩流动的涡流流函数方程。
Finite spectral method combined with QUICK scheme to solve the cavity flows on staggered grid was presented.
该文利用大涡模拟，对可压缩流体绕经安装在方管底部的长方体和矩形体的绕流现象进行了三维数值模拟。
The large eddy simulation is applied to simulate a 3-d square channel compressible flow around a wall-mounted rectangle cylinder.
描述各种假设和各项物理意义； 应用可压缩流、音速、等熵和非等熵流动、势流和有旋流动中的重要关系；
Describe assumptions, physical meaning of terms and to utilize key relationships for compressible flow, speed of sound, isentropic and non-isentropic flows, and potential and rotational flows;
通过计算二维可压缩流欧拉方程组的几个算例，数值结果表明，该格式具有高精度、高分辨率及计算简单的特点。
Numerical results of two-dimensional Euler equations of compressible gas dynamics verify the accuracy and robustness of the method.
本文研究一个两跨板状简单模型在不可压缩流中振动时的固有动特性。 应用假设模态法建立系统的运动微分方程。
The dynamical characteristics of a simple two-span parallel flat plate-type model vibrating in incompressible water are studied here.
基于不可压缩流体的非定常势流理论建立了空投水雷入水冲击力计算的数学模型，对水雷的入水冲击力进行了计算。
Based on the unsteady potential flow theory of incompressible liquid, a model of water-entry impact force for air-launched mine was presented, and the water-entry impact force was calculated.
通过直接数值模拟的方法，探讨在超音速边界层的转捩问题中，是否存在和不可压缩流情况相似的产生亚谐波的机制。
The spatial evolution of 2-D disturbances in supersonic sharp cone boundary layers was investigated by direct numerical simulation(DNS) in high order compact difference scheme.
建立了微可压缩流理论和大涡模拟方法相结合的空化流数学模型，为四川大学工学博士学位论文孔板泄洪洞空化初生的研究开辟了一条新途径。
Established a mathematical model to simulate the instantaneous flow fields and cavitation by combining the weakly compressible fluid theory and the Large Eddy Simulation method.
本文用混合隐式特征线法求解了井内流道中的瞬态波动压力问题，给出了弹性管和可压缩流体在井内各流道组合的压力波波动方程和定解条件。
By using the combined implicit characteristic line method, the calculation of the transient surge pressure in the flow conduit of a drilling well has been resolved in this paper.
如下图所示，考虑可压缩内部流中的一排导流叶片。
Consider a row of guide vanes in a compressible internal flow as shown below.
本文提出了一种计算回转体定常。不可压缩粘性绕流问题的新数值方法。
This paper presents a new numerical method for calculating steady incompressible viscous flow around bodies of revolution.
本文用H型网格和特殊的差分格式数值求解了粘性不可压缩叶型绕流。
The numerical solution of incompressible viscous flow over an aerofoil is obtained by H-type grids and a special difference scheme.
采用本文编制的程序，分别对不可压缩和可压缩叶栅流场进行了数值计算。
The procedure is used to calculate the incompressible and compressible turbulent flow of cascade.
分别对可压缩叶栅流场的亚音速和跨音速流动进行了数值模拟计算。
Some cases of compressible flow as well as incompressible flow are presented.
本文建立的性能预测模型考虑了气相的可压缩性和沿流道的截面面积的变化，介绍了数值模拟的方法和步骤。
A performance prediction model is established in this paper which taking ac count into gas compressibility and the change of cross section area of flow channel.
对不可压缩边界层或平面槽道流，还会出现典型的三维结构。
For incompressible boundary layer or plane channel flow, typical three-dimensional structures would appear.
本文采用不可压缩MHD方程及零方程湍流模式，数值计算了加电磁制动器的二维薄板坯连铸结晶器中的流场。
Using incompressible MHD equations and zero equation turbulent model, the paper calculated the flow field in two dimension thin slab continuous casting mould with the electromagnetic brake(EMBR).
例如：弹性膜的平衡问题，稳定状态的热传导问题，不可压缩势流问题，静电场问题以及静磁场问题。
Such as: the balance of elastic membrane, the heat conduction of stationary state, the incompressible potential flow, the problem of electrostatic field and magnetostatics field.
本文采用二维可压缩非定常N-S方程模拟了带有上下开槽壁的跨声速二维管风洞中超临界翼型绕流的流场。
Transonic tube wind tunnel flows over supercritical airfoils with slots on both upper and lower walls have been simulated by using compressible unsteady two dimensional Navier-Stokes equations.
在冷喷涂材料表面改性技术研究中，圆喷嘴气、固两相可压缩紊流射流的流场计算非常重要。
In the cold gas dynamic supersonic powder spraying technology for material modification, the two phase turbulent numerical computation of the jet field is very important.
采用线性稳定性理论和多重尺度方法，研究三维可压缩的非平行流边界层稳定性问题。
The compressible linear stability theory and the method of multiple scales are used to study the problem of three dimensional nonparallel flow stability for boundary layers.
基于势流理论，考虑流场的可压缩性，首先利用积分变换导得了势流问题的一个动力学倒易定理。
A reciprocal theorem of dynamics for potential flow problems is first derived by means of the Laplace transform in which the compressibility of water is taken into account.
建立了可压缩固液两相流中单球泡泡壁运动的动力学方程。
Dynamic equation for a single spherical bubble collapse in compressible solid-liquid two-phase flow is established.
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