The excellent agreement between the present results and the experimental data shows that the computer simulation method based on lattice automata and scientific visualization technology is an efficient approach for fluid flows 研究结果表明：在目前条件下，立足于格子自动机这种具有极度并行性的新型流体计算模型，结合科学计算可视化技术，利用计算机来解决流体流动问题的计算机模拟方法是一条值得深入探索的研究途径。
The information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation , then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method 摘要利用坐标变换法证明了一般三维塑性流动问题任意点应力状态，可以完全由三维最大剪应力迹线上的信息确定，进而利用共斜面法给出了三维塑性流动问题沿最大剪应力迹线正应力的变化规律。
Advanced research and develop the particle kinetic theory , and establish a real and accurate model of the interaction between particle to particle and particle to fluids in the flows , thus we may use the new combined model to simulate the real gas - solid two - phase flows 深入研究和发展颗粒动力学理论，从而建立真实、准确的颗粒与颗粒间的碰撞模型、颗粒与流体间的相互作用模型，在原则上就可以利用本组合法模拟真实的气固两相流动问题。
Abstract : the information along 3d maximum shear stress tracing line is completely ascertained with the method of parameter transformation , then the changing rule of the normal stress along 3d maximum shear stress tracing line is discussed based on cobevel method 文摘:利用坐标变换法证明了一般三维塑性流动问题任意点应力状态，可以完全由三维最大剪应力迹线上的信息确定，进而利用共斜面法给出了三维塑性流动问题沿最大剪应力迹线正应力的变化规律。
Afterward , a company should improve its human resource management , create reasonable hr management flow , improve its encourage mechanism , increase human capital investment and establish enterprise culture in accordance with the seven rules to improve employee flow management 根据这些原则，企业需完善人力资源管理职能，创造合理的管理流程、完善企业激励机制、强化人力资本投资、营造员工认可、社会欢迎并体现时代精神的企业文化才能有效解决员工流动问题。
A technique addressed the problem of security policy is given in this paper . it provides the possibility for addressing it at the system design stage & is interfaced to existing formal specifications and verification methods . tins paper has also shown how access rights can be derived from a petri net workflow dynamically 不仅用数据流图对其视图模型进行了描述，而且用z浯言实现了模型的公式化方法，解决了协同工作中信息在安全级别不同的用户间的流动问题，本文还提出了一种将工作流管理与访问控制相结合的动态访问控制的petri网建模方法，能够实现访问控制的自动化执行并有效提高系统的管理效率。
Simulation results for non - isothermal flow pass plate have been shown . the spatial correlations in a fluid subjected to an external temperature gradient have been computed by using cellular automata simulations of a simple lattice - gas model with temperature . but , this theory is found limitedly applied to mechanics 并给出了平板非等温流体绕流流动现象的模拟结果；通过采用一个含有温度的简化格子气模型，用细胞自动机方法，模拟计算了服从于外部温度梯度的二维流体中的平衡与非平衡空间相关函数，数值结果表明：该方法的计算结果和由涨落流体动力学理论的预言在是性上是完全符合的； bernsdorf等人用ca讨论在复杂障碍物情况时的流体流动问题。
Abstract : three - dimensional , time - dependent , compressible fluid flow problems have been studied with the finite volume scheme based upon an arbitrary lagrangian - eulerian scheme . a general program for arbitrary mesh has been developed . this program can be used to the fluid flow with arbitrary shape boundary condition and moving boundary condition . as an example , the fluid flow in a simple tundish is calculated , and the time - dependent fluid flow distribution is given out 文摘:在欧拉与拉格朗日耦合的框架下，利用有限体积法对非定态三维可压缩流体流动问题给予研究，开发了一般网格下的通用计算程序.该程序适用于计算复杂几何边界条件、运动边界条件等情况下流体流动问题.作为例子，计算了简单中间包内流体的流动情况，给出了随时间变化的流场分布
The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves . it shows the variation of flow field on breach , and the complicated flow characteristic of the propagation , diffraction , reflection and deformation of the dike - break waves . the hydraulic model can realistically simulate the burst process of dike , and computational accuracy is satisfied with the engineering demands 本文建立逐渐溃堤的水力模型首次对二维逐渐溃堤波的流动问题进行了数值研究，揭示了逐渐溃堤过程中溃口处流场的变化情况，以及溃堤波的传播、绕射、反射及变形的复杂运动特征，能较好地模拟实际工程中的溃堤失事，模拟比较逼近于真实溃决过程，计算精度可满足工程要求。
A simplified set of equations for analysis of the filling . finite difference methods are used for the pressure calculation . advancement of flow f ront uses a control volume approachand dynamic simulation of the moldfilling process is achieved . other is wetting out process which is the most critical stage in rtm . this stage is a typical porous media flow problem 从粘性流体力学的质量和动量方程出发，建立了描述充模流动过程的数学模型，利用有限差分法求解压力方程，并利用控制体积法跟踪流体前沿；第二部分是充模流动的主体部分，属于典型的多孔介质的流动问题。
