水流计算 flow calculation(7) flow computation(5)   flow calculation      Three-dimensional VOF model and its application to the water flow calculation in the spillway      三维VOF模型及其在溢洪道水流计算中的应用 短句来源      Exploration on memory requirement and operation efficiency of finite element method in flow calculation      有限元水流计算中内存和运行效率初探 短句来源      A feasible method is proposed for flow calculation of bend channels based on the Preissmann form, increasing the function of the MYBC/Y1 Software for the calculation of 1 D unsteady flow in open channels. The result of flow calculation for the Jiangsu section of the Yangtze River is satisfactory.      对弯曲河道基于Preissmann格式的水流计算提出了可行的方法 ,进一步扩充了明渠一维非恒定流计算 (隐式 )程序包MYBC/Y1的功能 ,经长江江苏段内水流的实例计算 ,取得了较为理想的结果。 短句来源      By adoption of the fourpoint linear implicit form to solve water flow equations, a new method is developed for inverse analysis of water flow in river channels and the roughness parameters of the channels based on the Kalman filter, and applied to flow calculation for the Huaihe River.      提出了用四点线性隐格式求解水流方程、用卡尔曼滤波求解河道糙率的一种求解河道水流及其糙率参数反问题的新方法,并应用于淮河水流计算. 短句来源      It mainly includes: (1) improvement of a simple and comparably regular trajectory atomized flow calculation model, focusing on the improvement of the calculation method of atomized now transverse divergence and water elasticity produced splashing extent;      其主要内容包括：（1）完善单一的较规则的挑流雾化水流计算模式，主要是完善雾流的横向扩散和考虑水弹性的溅水范围的计算方法； 短句来源 更多          flow computation      The Application of Orthogonal Fitted-Body Co-ordinate Systems in Flow Computation in Rivers      正交贴体坐标系在河道水流计算中的应用 短句来源      The two-dimensional open flow computation problem is formulated with the finite volume method.      相应地,对二维水流计算问题采用了有限体积法的数学表示。 短句来源      Lastly, the good performance is demonstrated through a case study of tidal flow computation for the southern branch of the Yangtze estuary.      最后,通过长江口南支水流计算的实例,阐明其良好性能。 短句来源      Based on the linearized discrete difference equation set obtained from 1-D Saint-Venant equation,a model coupling river flow computation with real-time alternately updating of variance method is developed according to the boundary condition of river flow. In the model three kinds of Kalman filter state spatial equations are established regarding the water level,discharge and roughness as state vectors respectively.      本文从一维圣维南方程离散线性化后的差分方程组出发,结合河道水流计算的边界条件,分别以水位、流量及糙率为状态向量建立3种卡尔曼滤波状态空间方程,研发出河道水流计算与变量交替实时校正的耦合模型。 短句来源      The alternative updating mode is embedded into hydrodynamic model of looping river computation to realize the united solving of river flow computation and real-time updating.      基于环状河网的求解机制,实时交替校正模式被嵌入扩展到环状河网水动力学模型中,初步实现了环状河网水流计算与实时校正的联解。 短句来源   “水流计算”译为未确定词的双语例句      Algebraic-stress turbulent model for 2-D plane flow in curvilinear coordinates      曲线坐标下平面二维水流计算的代数应力湍流模型 短句来源      A Computation Model for Atomization Flow      雾化水流计算模式 短句来源      Study on computational method of overbank flow in channels with compound cross section      复式河道漫滩水流计算方法研究 短句来源      This model can not only solve computational problem of hydrographic net, but also can solve computational problem of long watercourse and complex flow in natural river.      该模型既可解决复杂的河网水流计算问题,亦适用于长河段、长时段的较复杂的天然河道水流计算问题。 短句来源      It will led to obvious errors in using directly one-dimension unsteady flow equation, The hypothesis in previous method is not accurate. This paper makes some changes for St. Venant equation, in which cross section is divided into some subsections, and the momentums of every subsection are summed in the momentums equation, then the uneven distribution effect of cross velocity is eliminated.      天然河道水流计算中,洪水漫滩时横向流速分布极不均匀,直接用一维非恒定流方程进行模拟会产生较大误差,以前的处理方法其假定与实际差距较大,作者对此作了一些探索性研究,将横断面划分成若干个子断面,动量方程中的动量项取为各子断面动量之和,从而消除了横向流速分布不均匀的影响,并对渭河下游一次洪水过程进行了计算。 短句来源 更多        查询“水流计算”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   flow calculation Condensing vapor flow calculation on the basis of the monomolecular condensation model 例句来源       The flow calculation is based on an inviscid/boundary layer interaction method with modified Abu-Ghannam/Shaw(AGS) transition criterion. 例句来源       A k- ? turbulence model considering compressibility in three-dimensional transonic turbulent flow calculation 例句来源       The experimental data agreed with the numerical simulation based on the direct flow calculation method. 例句来源       These methods are applied in viscous two-phase flow calculation of rocket nozzle and in the prediction of thrust and specific impulse for solid propellant rocket motor. 例句来源       更多             flow computation A three-dimensional viscosity Navier-Stokes equation solver was applied for flow computation. 例句来源       This IAFM, combined with a modified optical flow method-named Total Optical Flow Computation (TOFC), provides a linear system solution to DPIV. 例句来源       An algorithm for optical flow computation based on a quasi-interpolant operator 例句来源       Construction of Modified Taylor-Galerkin Finite Elements and its application in compressible flow computation 例句来源       High order accurate scheme is highly desirable for flow computation with shocks. 例句来源       更多                    This paper suggestsa new solution-the one-dimensional solution of the river mouth two-dimension tidal characteristic differential method(CDM) It is used to the two-dimension tidal flow calculation of Ling-Ding Ocean district,in order that the Pearl River estuary could have proper conser- vancy. The two-dimension water flow problem is simplified to one-dimension solution.The solution and its program are pretty simple,understood and bone easily.It well unites with the actual and complicated example that Ling-...             为治理珠江河口,结合广州出海水道伶仃洋海区的二维潮汐水流计算问题,本文提出一个新方法——二维特征差分的一维化解法。将二维潮流问题简化为一维化的解法,解法本身和附录的电算程序都是好懂易做的。电算实例结合珠江河口的多河口、伶仃洋二维海区被岛屿分隔的多口门复杂情况,回代出海区海底粗糙率.为解决河口治理和海涂围垦的工程规划问题,即为改变二维海区边界条件后的潮流计算,提供一个新的理论方法. 文摘来源          In order to follow correctly the complex geometry of the boundary of the flow field,a body-fitted coordinate system was employed in simulating horizontally 2-D flow field of the Yangtze estuary.The body-fitted coordinates are generated with the solution of a couple of elliptic equation. To perform the finite difference computation in a regular mesh,the inverse mapping equations are used in real computation.The system of equations was solved by operator-splitting method.The implicit finite difference scheme ...             为了既能精确地拟合不规则区域边界,又使有限差分的计算能在规则的网格上进行,在长江口南支河段非恒定流的平面二维数值模拟中,采用了近年来得到广泛注意的边界拟合坐标法,为了提高计算的稳定性,本文引用了二维人工粘性项和人工光滑的方法。计算结果与实测资料相当吻合。计算结果还表明,在同样的网格密度下,使用边界拟合坐标的差分计算的CPU仅比使用昔通网格的差分计算略有增加。所以,在二维水流计算中,这是一种值得推荐的方法。 文摘来源          The unstructured mesh is adopted, which can be refined locally and adaptively according to the planar geometry of computational domain, bathymetry, and the requirements of specific engineering applications. The two-dimensional open flow computation problem is formulated with the finite volume method. Numerical flux in the normal direction to and across each side of elements is obtained by solving a Riemann problem by using Osher's scheme. Related formulas of normal numerical flux are derived. The merits of ...             天然水体具有形状复杂的计算区域和水下地形。本文采用无结构的网格以适合这一情况,并能方便地根据工程应用的要求局部地和适应性地加密网格。相应地,对二维水流计算问题采用了有限体积法的数学表示。跨单元边界的法向数值通量通过用Osher格式求解黎曼问题得到。文中给出了适合于二维浅水方程组的有关单元界面和各种物理边界的法向数值通量公式。分析了这一格式所具有的优点,包括:普适性、守恒性、逆风性、单调保持性、高效性、对间断的高分辨率、边界处理和内部格式相容,以及不引入数值边界条件等。最后,通过长江口南支水流计算的实例,阐明其良好性能。 文摘来源   << 更多相关文摘         相关查询: 水流模拟计算 计算 水流 自治计算 航程计算 普及计算 本地计算 姿态计算 递推计算 厚度计算 化学平衡计算 计算简图  对查询结果不满意

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