有限模型

In accordance with some aqueduct in South to North Water Transfer Project, this paper simulates nonlinear hysteretic restoring force curve of isolation bearing of the lead core rubber aqueduct by bilinear model, compares and analyzes the earthquake response considering the interaction of the aqueduct bridge and the water-body in the aqueduct.

针对南水北调工程中某渡槽结构，利用双线性模型对铅芯橡胶隔震支座的非线性滞回恢复力曲线进行模拟，以有限域内附加质量法考虑水体对渡槽槽身的动力作用，进行了不同支座结构地震反应的比较分析。

Research purposes:The paper gives an introduction to the additional force transfer mechanism of welded turnout on ballastless track,presents the calculation model for welded turnout on ballastless track, calculates additional force and deformation of welded turnout on ballastless track by FEM,the result is compared with ballast track.

研究目的：分析无砟轨道基础上无缝道岔的纵向力传递机理，建立无砟无缝道岔计算模型，采用有限单元法计算了无砟无缝道岔受力及变形，并与有砟轨道无缝道岔进行了对比分析，为无砟无缝道岔设计提供参考依据。

The time-trace circular cylinder movement and vorticity structure which obtained in physical experiments are also captured in the present simulation.4, Another numerical investigation is also conducted on VIV response of an elastic mounted circle cylinder under planar shear flow conditions.

随着剪切率的增加，圆柱体的运动形式表现出一种全新的轨迹。5基于切片理论并结合有限体积法和动力有限元方法，成功建立了深海立管涡激振动响应的时域计算模型。

The calculation mechanics model is used for the curtain wall decussate rope net structure, including m horizontal ropes and n vertical ropes. The balance and displacement equations, alse the potential energy and kinetic energy equations, are constituted for the points with distributive loads and tensile force after the rope net distortion. Using the theory of finite analysis method, these groups of the n horizontal ropes' 2m+5 and m vertical ropes' 2n+5 equations are founded and the numerical solution is calculated.

建立幕墙由m根横向索、n根竖向索组成的正交索网结构的计算力学模型，在网点分配荷载及预张力作用下，列出钢索变形后的平衡方程、位移方程和弹性变形位能与外力作功方程，用有限分析方法将竖向索包含n个由2m+5变元组成的非线性方程组，将横向索包含m个由2n+5变元组成的非线性方程组寻求数值解。

Responding to requests for a lower cost version, Silicon Graphics brought out a Personal IRIS which had cut-down features but was still capable of interactive 3D wireframe and limited solids modeling.

为了适应用户的低价格的要求，SG推出了低价格的个人IRIS -去掉了很多的功能，但保留有交互式的3D框架和有限的3D模型。

Hand out a estimate about this protocol's application in avionic device system.

按照协议要求制作了进程模型设计了有限状态机。

The paper points out that Hotelling Rule is limited to analyze depletable mineral resources.Optimizing mineral distribution models are deducted in limit mineral fields and large districts which have enriched and deieloped Hotelling Rule.

论文指出了霍特林法则在分析非再生矿产资源时的局限性，由此提出了有限矿田和区域矿产资源的优化配置模型，丰富和发展了霍特林法则这一经典理论。

Through the analysis of the field observation and the investigation of the randomness of the railway haulage system of the shaft station, a limited customer M/ M/ 1 queuing model of cradle dumpers in the station is developed and the optimum design of shaft stations is approached.

通过现场观测与调研及对井底车场轨道运输系统随机性的分析，建立了井底车场翻车机系统顾客源为有限的M／M／1排队模型，进行了井底车场优化设计的初步探讨

Based on finite element dynamic model of expansion casing with rubber sleeve, casing deformation and stress change inside casing, contact pressure at both sides of rubber sleeve and expansion parameter changes caused by friction factors during the expansion are analyzed.

根据带有橡胶筒的膨胀套管有限元力学模型，对套管膨胀过程中橡胶变形和套管内的应力变化、橡胶筒两侧的接触压力，以及摩擦因数引起的膨胀参数变化等做了分析研究；对橡胶筒的厚度、长度做了定量和定性分析，发现在橡胶与套管之间的接触摩擦因数作用下，橡胶过长将会在纵向产生&堆积&现象，在有限空间中，使其受较大的接触压力而失效。

The distributions of velocity, velocity gradient, shear stress, clongation stress, first normal stress difference and pressure of the flow of a power-law fluid in the profile die were analyzed. It indicates that for a power-law fluid only after a few iterations a good convergence can be reached, even though in the case of high extrusion velocity.

本文分析了幂律流体在异型材挤出口模内的速度分布、速度梯度分布、剪切应力分布、拉伸应力分布、第一法向应力差分布和压力场，研究表明采用幂律流体模型，即使在挤出速度非常大的情况下，经过有限次迭代，模拟计算都能够收敛，并得到合理的结果。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。