unsteady wave
英 [ʌnˈstedi weɪv]
美 [ʌnˈstedi weɪv]
网络 不稳定波
双语例句
- A special type of unsteady motions which bear a resemblance to plane wave solutions of the linear theory of elasticity can be constructed.
一种特殊类型的、和线性弹性理论中的平面波解有点相像的非稳态运动可以建立起来。 - Unsteady interaction of shock wave diffracting around a circular cylinder in air
激波稳定性（Ⅰ）空气中平面激波同圆柱的非定常干涉 - On unsteady flow in oscillatory tube of pressure wave refrigerator
压力波制冷机工作管开口端处的流动分析 - In this paper the evolution of the radiation field from frequency bifurcation to chaos and the temporal and frequency characteristics of the nonlinear unsteady states are investigated, based on the threshold analysis of nonlinear instability for the radiation field in a traveling wave tube amplifier.
以行波管放大器中辐射场的非线性不稳定阈值分析为基础，对辐射场从频率分叉到混沌的演化过程和不同区域这些非线性不稳定态的时间特性和频率特性进行了研究。 - For high-speed sliding-barge dolphin unsteady movement and kinetic theory forecast problem in the wave, because its kinetic differential coefficient equation is complicated furthermore comprises many presumptions and premises, it meads to be calculated by a large-scale computer.
针对高速滑行艇海豚不安定运动以及在波浪中的运动理论预测问题，因其运动微分方程式繁杂而且有许多假设和前提，需要在大型计算机上计算。 - Application of unsteady wave pattern analysis
非定常波形分析的应用研究 - This paper presents a cell-centered finite volume scheme for numerical integration of Navier-Stokes equations for three-dimensional unsteady viscous compressible non-homentropic flow to simulate the micro-pressure wave produced by a high-speed train entering a tunnel with a transverse passage-way.
采用三维粘性、等熵、可压缩、非定常流的Navier-Stokes方程，用有限体积法进行区域离散，对高速列车通过设置有横通道的隧道时所引起的出口微压波进行模拟。 - On MacCormack scheme's feature in computation of unsteady shock wave problem
MacCormack格式在计算非定常激波时的特点 - A numerical study of the unsteady wave structure of supersonic jet flow
超音速燃气射流非定常波系的数值研究 - Different reaches, variation of stream hydraulic geometry and the unsteady movement of flood wave have direct impact on the sediment transport.
不同的河段位置.河道的水力几何形态，非恒定的洪水波运动将直接影响到河道的输沙特性。 - The aim of this article is to study the linear growth of the density wave in galaxies by means of numerically resolving unsteady, two-dimensional hydrodynamic equation coupled with Poisson equation under the condition that the local asymptotic solution of linear density wave is given as initial value.
本文以线性密度波局部渐近解为初值，求解二维非定常流体力学方程组和泊松方程，研究星系密度波的线性增长。 - The unsteady flow, structure of waves and mechanism of the forming of shock wave in pressure wave refrigerator are investigated in the present paper.
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。 - Aero-Optics is a new subject in which the interaction between index-refraction field induced by steady, unsteady or random fluid motion and electromagnetic wave propagation is investigated.
气动光学是研究由稳态，非稳态或随机的气流运动引起的折射率场和电磁波传播之间相互作用的新兴学科。 - The simulation of three examples shows that the method has high-resolution when it is applied in unsteady and quasi-steady flows with the sharp wave in discontinuous problems and suitable to computation of the shallow water flows.
对二个模型算例的数值模拟结果表明：该算法对拟恒定流和非恒定流模拟都有较高的分辨率，具有处理间断问题的锐利波形能力，适合浅水流动的数值模拟。 - Reflection of unsteady blast wave computed by second order accurate muscl scheme
一个二阶单调迎风格式及对不定常激波反射的计算 - In this paper, the velocity potential exited by wave-current on a cylinder is divided into three parts-the double model velocity potential, the steady current exiting wave potential and the unsteady diffraction wave potential.
本文将波流共同对圆柱作用的速度势分成合模势（无自由表面的绕流速度势）、流兴波势和非定常波势三部分。 - Analytical solution for unsteady two-dimensional detonation wave with DSD method
二维爆轰波DSD方法的非定态解析解 - A set of analytical solution for the unsteady normal reflection of a planar strong explosion wave from a rigid wall is given with high accuracy.
文中给出了不定常平面强爆炸波对固壁正反射问题的一组解析解，具有高的精确度。 - Numerical simulation study of the unsteady viscous field of shock wave over a wedge
激波绕尖劈障碍物运动粘性流场的数值模拟研究 - The Numerical Simulation for an Unsteady Shock Wave Sweeping Over Multiple Obstacles
非定常激波在多重矩形障碍物中传播的数值模拟 - A numerical study of the unsteady wave structure in a stepped launcher tube
阶梯型发射管内非定常波系的数值研究 - Calculation of the boundary layer growth behind an unsteady expansion wave in a tube
非定常膨胀波进入圆管后壁面附面层增长的计算 - When a harmonic wave propagates in one-dimensional unsteady flow, the wave amplitude at any x-position will be related with Mach number M and(?)
分析表明，当由简谐声源所发射的声波在一维非稳定流中传播时，对于某一确定位置，其声压幅度除随时间周期变化外，还受到M和（？） - Gests that the limited amplitude of unsteady wave exhibits an oscillatory trend of its intensity;
研究结果表明：不稳定波的有限振幅在强度上呈现出振荡趋势。 - With the boundary condition of all pipes in a pipe network kept unchanged, any unsteady now from arbitrarily initial condition in the network will approach its final steady state due to friction and waterhammer wave reflection.
对于一个水力稳定的管网系统，当其各管道的边界条件维持不变时，由于摩阻及水锤波的反射作用，管网内的任意非恒定流终将趋于其特殊情况&恒定流状态。 - Application of Unsteady Wave Pattern Analysis Method in Determination of Added Resistance of Ship in Waves
非定常波形分析法在波浪增阻问题中的应用研究 - For the unsteady flow of pulse detonation thruster, an implicit dual-time method was adopted to simulate the absorptive wave under different laser intensities, with thermo-chemical nonequilibrium model.
对脉冲爆震推力器的非定常流场采用热化学非平衡模型，以隐式双时间步进格式计算了不同光强下的激光支持吸收波。 - Unsteady flow is the most common form in natural fluid movement. Flood routing in river 、 outflow from reservoir 、 lock filling or lock emptying 、 tidal wave 、 sea wave and so on. These are the typical unsteady flow model.
非恒定流是自然界中流体运动最为普遍的形式，河道中的洪水推进、水库泄流、船闸充排水以及潮波、海浪运动等等都是典型的非恒定流问题。 - Furthermore, one-dimensional unsteady flow at the average radius of the water wave pump was calculated, and the problem for the radial equilibrium at the inlet and outlet of the water wave pump was also calculated and analyzed theoretically. 2.
并用特征线解法计算了水波泵平均半径处一维非定常流动问题，对水波泵出入口的径向平衡问题也进行理论计算与分析。