查询词典 incompressible

Many problems in fluid dynamics can be described by theincompressible Navier-Stokes equations as incompressible viscous flow.

流体力学中的许多问题都可归结为不可压粘性流动问题，其数学模型描述为不可压Navier-Stokes方程。

In this paper, the mathematical model and the numerical simulation method of hydrodynamic problems, including the calculation of moving free surface and other boundary conditions for the viscous incompressible flow with free surface, were investigated.

这就需要对流场的数值计算方法进行比较深入的研究。本文对具有自由水面的不可压粘性流动问题的数学模型、数值计算方法、自由表面及其它边界的处理等问题进行了深入的研究。

The author solved both unsteady and steady incompressible Navier-Stokes equations to simulate viscous flows and hydrodynamic force around a ship with free surface.

作者通过求解不可压缩Navier-Stokes方程数值计算水面船舶的粘性流场和水动力。

The varying parameters are the door with or without weather strip, the fire door opening conditions, closed or opened, and the use of compressible or incompressible flow assumptions.

并再针对门缝有无气密设计，防火门有无打开以及可压缩流和不可压缩流等三种设计参数对梯间加压性能的影响。

Based on the hypotheses that the tissue fluid and the cell in lacuna are incompressible,and the tissue fluid could flow between the lacunar through the canalicular,the pressure on the cell was obtained.

基于骨陷窝中组织液和细胞具有的不可压缩性，以及组织液通过骨小管在骨陷窝之间的流动，得到了细胞所受压力的新的表达式。

Quadratic finite volume element method s for the air pollution model in one-dimensional;2. The two-grid algorithm of the finite volume element method for second-order indefinite elliptic problems;3. A fally discrete finite volume element method is given for one-dimensional two-phase incompressible flow in porous media.

在初始网格剖分上采取分段线性函数空间作为有限体积元方法的试探函数空间，在相应的对偶网格上采取分段常数函数空间作为其检验函数空间，对一维不可压缩两相渗流驱动问题提出了全离散有限体积元方法，并得到L2-模误差估计。

Based on 3D steady and incompressible N-S equation and k-ε turbulent model, the aerodynamic performance of three different design options of 160 km/h container flat wagon was analyzed and compared using finite volume method. The three design options are as follows: the first design option has no headwall and the side surface of side beam is flat; the second and the third both have headwall and high side beam, and the side surface of side beam of the second is obtuse, while the third is cambered.

基于三维、不可压、定常N-S方程和k-ε双方程湍流模型，采用有限体积法对3种不同设计方案在运行时速为160 km/h的集装箱专用平车在有、无横风情况下的气动性能进行分析与比较，其中：方案一的平车无端墙，侧梁侧面平直；方案二和三的平车均加有端墙，且侧梁加高、侧面形状分别为钝形和弧形。

Based on 3D steady and incompressible NS equation and kε turbulent model, the aerodynamic performance of three different design options of 160 km/h container flat wagon was analyzed and compared using finite volume method. The three design options are as follows: the first design option has no headwall and the side surface of side beam is flat; the second and the third both have headwall and high side beam, and the side surface of side beam of the second is obtuse, while the third is cambered.

摘 要：基于三维、不可压、定常 N S 方程和 k ε双方程湍流模型，采用有限体积法对3种不同设计方案在运行时速为160 km/h的集装箱专用平车在有、无横风情况下的气动性能进行分析与比较，其中：方案一的平车无端墙，侧梁侧面平直；方案二和三的平车均加有端墙，且侧梁加高、侧面形状分别为钝形和弧形。

Optimalerror estimates in L2-norm and H1-norm are obtained.Model:The mathematical model for two phase incompressible flow innaturally fractured reserviors is[34]:Supposeis a bounded domain with smoothy boundary,the rock ispresented byΩi,the volume of the fissures is small,Ωm=Ω.In the fissures Ω:s(x,0)=s0,x∈Ωin the rock Ωi:where J=0,T.

模型：裂缝孔隙介质中油水两相不可压缩驱动问题的数学模型为[34]：设〓为具有光滑边界的有界凸域，其中多孔岩块以Ωi表示，Ωm＝∑Ωi，因裂缝体积很小，可以认为Ωm＝Ω。x在裂缝系统Ω上：〓s(x，0)＝s0，x∈Ω在任一岩块Ωi上：〓其中J＝0，T。

An exact analysis of free vibration of a cantilever cylinder in an inviscid incompressible water, including hydrodynamic interaction, is presented.

本文分析了无粘性的、不可压缩水域中的圆截面的悬臂梁的自由振动。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。