查询词典 finite dimensional

Objectives Three-dimensional finite element method was applied to analyze the influence of various angled abutments on the distribution of the stress and strain in the implant-bone interface.

目的采用三维有限元的方法，分析各种角度基台对种植体骨界面应力、应变分布的影响，为临床使用提供理论参考。

Finite-element method was also used to simulate the strain energy of three-dimensional epitaxial structures which grow under different conditions.

有限元素方法在此实验也被用来模拟应变能在不同磊晶结构中随结构长宽比变化的情形。

With the upgrade of the computer calculation and the development of finite element package, numerical simulation has become a very important method for in-depth study of the three-dimensional flow in screw extruders.

随着计算机计算能力的升级与有限元软件的发展，数值模拟方法已成为研究螺杆类挤出机流场的重要手段。

In the present study, through using non-linear three dimensional finite element analysis, considering the contact in flange to nut and flange to gasket, we accurately computed the stress distribution in the flange joint in the normal work condition.

采用ANSYB软件，应用三维有限元技术，考虑了垫片的非线性和法兰和螺母、垫片的接触问题，并且采用了螺栓预紧单元，准确计算出法兰连接在承受内压、轴向力和弯矩外荷载时的应力分布。

When the lock ring simultaneously with the question cone gear engagement ring gear, cone after contact friction moment in the role of the rapid speed of gear to reduce to synchronize with the speed equivalent to lock ring, the two synchronous rotation, relative to gear Central lock synchronization speed is zero, thus inertia torque also disappeared, then in force under the impetus of engagement sets unhindered and synchronization lock Gear engagement ring, and further engagement with the question of gear engagement ring gear and completed Shift process The topics mainly through the Pro / E synchronization software for the car to three-dimensional modeling structural design, and through the parameters of the design process to achieve its structure, and on this basis, the use of ANSYS FEM software structure of the typical synchronization And a finite element analysis, through structural analysis of its structural design is reasonable to assess and make recommendations to improve the design

当同步锁环内锥面与待接合齿轮齿圈外锥面接触后，在摩擦力矩的作用下齿轮转速迅速降低到与同步锁环转速相等，两者同步旋转，齿轮相对于同步锁环的转速为零，因而惯性力矩也同时消失，这时在作用力的推动下，接合套不受阻碍地与同步锁环齿圈接合，并进一步与待接合齿轮的齿圈接合而完成换档过程本课题主要是通过Pro/E软件对汽车同步器进行三维造型结构设计，并通过参数化实现其结构设计程序化，在此基础上，利用ANSYS有限元软件对典型同步器结构进行有限元计算与分析，通过结构分析对其结构设计的合理性作出评价并提出改进设计建议

Based on the pavement structure three-dimensional model through finite-element calculation software, the representative full-depth asphalt pavement and asphalt pavement with semi-rigid base are analyzed in the aspect of mechanical response under the action of vehicle load.

通过选用具有代表性的全厚式沥青路面和半刚性基层沥青路面，利用ANSYS有限元计算软件，建立路面结构三维模型对路面在车辆荷载作用下的力学响应进行分析，可知全厚式沥青路面在抗疲劳损坏和永久变形方面都较半刚性基层沥青路面略胜一筹，且寿命更长，因而具有广阔的应用前景。

Aiming at the key technology of numerical control, taking NC gear shaper as research object, some issues are studied in this paper.1 NC gear shaper YK5120 was developed.1 Three dimensional model of NC gear shaper is built, kinematics simulation and interference checking of NC gear shaper are carried out.2 Based on kinematic theory of multi-body system, the precision of gear shaper and the error of generated gear are analyzed and simulated.3 Applying finite element software, the natural frequency and mode of NC gear shaper are analyzed.

本文针对插齿机数控化中的关键技术，以数控插齿机为研究对象，做了以下研究工作：1 设计完成YK5120型数控插齿机机械结构；2 建立了数控插齿机的三维模型，并对其进行了运动仿真和干涉检验；3 以多体系统运动学理论为基础，对数控插齿机的精度和齿轮加工误差进行了分析与仿真；4 应用有限元软件，对数控插齿机的各阶固有频率及振型进行了分析。

Applying three-dimensional finite element to calculate ground buildings which cross the hog and sag districts,the deformation regular of different regional parts of the building was obtained.

应用三维有限元计算地面房屋横跨凹凸区的工况，得出了房屋不同区域部分与不同方向的变形规律，为隧道接近建筑物施工提供了参考价值。

This paper is mainly studied three-dimensional finite element on sluice construction, and established the entire model including sluice pier、 ground、 the floor board、 and the upper frame as a whole body. Through analysing the static and dynamic problems, we can draw the reasonable conclusions.

本文主要研究了空间水闸结构计算的有限元法，将闸墩、地基、底板和上部排架作为一个整体建立空间有限元模型，进行静动力分析，并得出相应合理的结论。

According to the property of EBB, scanning electron beam was considered as plane heat source instead of spot heat source in this paper. Aiming at the problems to measure the real-time temperature and residual stress of radiator difficultly at high temperature, the two-dimensional finite element models were established. Based on the thermal elastic-plasticity, the temperature fields and stress fields of EBB 6139T and 6204T radiator by two kinds of process were simulated by the software of ANSYS. It is of great value and significance to guide actual production.

本文根据电子束钎焊的特点，将电子束点热源转化为扫描加热时的面热源，针对散热器高温下温度实时测量和残余应力实测困难这一问题，建立了二维有限元模型，以热—弹塑性理论为基础，利用ANSYS软件对6139T和6204T散热器分别按两种电子束钎焊工艺钎焊的温度场和应力场进行了数值模拟，对于指导实际的生产具有重要的价值和意义。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。