The parallel computation method was used for numerical simulation of flow field with moving boundary, and unstructured moving grids were generated by spring analogy method.
将并行计算方法应用于含运动边界流场的数值模拟,采用弹簧方法生成非结构运动网格。
A special treatment is made in outlet boundary in which the subsonic and supersonic flow exist commonly. Block-Line-Gauss-Siedel method is used to solve THD differencing equations.
对离散方程采用线超松驰方法迭代求解,在亚音速与超音速气流共同存在的出口边界分情况进行了处理。
Supposing that the intersection of multi-group fractures is treated as the internal boundary, a boundary Element Method of fracture network seepage flow is obtained.
通过将裂隙之间的交线看作为内部边界,推导了多裂隙相交时的边界单元法公式。
Boundary element method to calculate the free surface flow over the plate region of the hanged-plate two storied intake work is presented in this paper.
本研究利用边界元法求解了悬板分层式引水渠首的悬板区过流问题。
The system model comprises the dynamic heat exchanger model based on the lumped parameter method and moving phase boundary method, and the stable flow models of compressor and expansion valve.
系统模型中包含了用集总参数和相移动边界法建立的热交换器动态模型,以及压缩机和膨胀阀的稳态流动模型。
We investigate the flow mechanism of this conveyor in a horizontal configuration by a discrete element method (DEM), applying a periodic boundary and omitting the existence of fluid medium.
我们用离散元(DEM)方法研究了这种运输机在水平配置时的流动机制,施加周期性边界条件并忽略流动介质的存在。
The recharge simulation method of intercepting certain boundary flow under higher natural water table is studied and presented.
研究并提出了较高天然地下水位条件下截取边界定流量补给模拟方法。
In this paper, the deformation of two-dimensional red blood cell in linear shear flow is simulated using the immersed boundary method to observe the tank-treading motion.
本研究采用浸入边界法模拟二维红细胞在线性剪切流中的形变,观测细胞的坦克履带式运动。
Application of this method would make it POssible to identify instability boundary of two - phase flow under stable operation conditions of two - phase flow system.
该方法使得在稳定工况下判别两相流系统的不稳定边界和稳定裕度成为可能。
A substructure method and a dual reciprocity boundary element method (DRBEM) are applied to calculate four-pole parameters and transmission loss of ducts and silencers with complex flow.
将子结构法和双倒易边界元法联合应用于预测具有三维复杂流存在时管道和消声器的四极参数与传递损失,阐述其基本原理与数值过程。
According to the thoughts of immersed boundary method (IBM), a new model for simulating gas-solid multiphase flow with few grids to describe particle is presented.
本文提出了一种基于内嵌边界法(IBM)的思想,在描述颗粒只有较少网格时能较为准确地计算气固多相流的模型。
This paper considers the unsteady state flow behavior in a composite reservoir with an impermeable subregion by using Boundary Element Method (BEM).
本文考虑这种复合油藏的渗流问题并提出边界元(BEM)分析方法。
A boundary fitted coordinate Finite Analytical Method (FAM) is described for the numerical solution of steady and unsteady seepage flow with pressure in foundation of sluice and DAMS.
本文给出了一种求解闸坝地基恒定与非恒定有压渗流的边界拟合坐标有限分析方法。
The present paper discuses, with the method of matched asymptotic expansions, the stress boundary layer of the slender riser in a steady flow.
本文用匹配方法讨论定常流中细长立管所产生的应力边界层现象。
A new wetting and drying method for the numerical tidal flow model is developed to deal with the moving boundary due to tidal waves at the tidal flat.
论文提出了一种新的干湿判断方法来处理潮流数值模拟中潮间带上的动边界问题。
This method can greatly decrease the boundary layer thickness on the floor, and maintain good characteristics and uniformity of the flow field.
这种方法使地板边界层厚度大大降低,而风洞仍保持好的流场品质及流场较均匀的特点。
Boundary element method is the most widely used method for potential flow.
势流问题大量采用边界元方法数值求解。
Dynamic response of the system of seepage flow in wall rock affected by mining is studied by truncated spectral method, in the system the seepage properties and boundary pressure are variable.
用谱截断法讨论了采动围岩渗流系统在时变渗透特性和时变边界条件下的动力学响应。
The results show that the governing equations, initial and boundary condition equations, flow rate formulas and the numerical method for calculating flow rate presented in this paper are all correct.
结果表明,文中建立的控制方程、初始条件和边界条件方程、流量公式以及数值计算流量的方法都是正确的。
According to Belotserkovskii's method, using a series expansion and boundary layer method, an analytical solution for axisymmetric 'hypersonic flow over a flat-headed body has been obtained.
根据方法,使用级数展开和附面层方法,得到了轴对称高超音速绕流平头物体的一个解析解。
This paper describes a numerical method to predict the hydrodynamic characteristics of 2-d wave-making hydrofoil in the steady viscous fluid flow by the boundary layer theory.
本文采用边界层的概念来研究粘性流中的二维兴波水翼之水动力特性的数值计算方法。
By use of hydrogen bubble visualization method, flow evolutions are studied in an artificially excited transitional boundary layer on a flat plate.
利用氢气泡流动显示方法,研究人工激发条件下平板边界层转捩的流动现象。
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.
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。
A method of current boundary control which has an application prospect was advanced. The conception and contents of advanced control-flow were presented.
提出了具有应用前景的“通用边界控制”法,阐述了先进控制流的概念和内容。
Flow field of a circular cylinder oscillating in a uniform flow or in a wake was investigated using currently modified virtual boundary method.
用虚拟体方法研究了均匀流及尾流中圆柱横向振荡的流动特征。
The governing equation, its boundary conditions and computing method for the electrical field induced by seawater flow around axis-symmetric body through geomagnetic field have been developed.
给出了描写地磁场中海水绕回转体流动诱导的电场的基本方程、边界条件及其计算方法。
The Immersed Boundary method is a general technique for modeling a flow field with complex geometries and fluid structure interactions.
浸入边界法是适用于模拟形状复杂的弹性结构边界的一种边界处理方法。
The three-dimensional potential flow inside the impeller of a screw centrifugal pump was analysed by the boundary element method.
采用边界元法对螺旋离心泵叶轮中的三维势流进行了数值计算。
The functional and flow chart of the program using boundary element method is presented. Finally some fit examples are given.
文中还介绍了一个边界元计算程序的主要功能和程序流程图,最后给出了算例。
Test calculations have shown that the boundary element method has unique merits when used in solving flow field problems.
试算表明,边界元素法对涉及场问题的解决具有独特的优点。
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