查询词典 fem

At first FEM is used to calculate the deformation of the right abutment of the Danjiang arch dam; and the influence of the fault F1 on the deformation of the abutment is analyzed emphatically.

用有限元计算了单江拱坝右坝肩岩体的变形，着重分析了断层 F1 对于坝肩岩体变形的影响。

The stress and stability analysis of arch dam and abutment are the main task of traditional arch dam design. Nowadays there are two kinds of analysis method to use. One method is the arch-cantilever load-distribution method, in which the arch dam stress and abutment thrust are calculated, while the stability of abutment is evaluated by rigid body method or other method. The other is FEM method, which evaluates the arch dam stress and stability of abutment at the same time.

作为拱坝常规设计的主要任务—坝身和坝肩的应力和稳定分析，当今大体有两套体系可用：①用拱梁分载法分析坝身应力和坝肩推力，结合刚体法或其他方法进行坝肩稳定审核；②用有限元法对坝身应力和坝肩稳定同时进行审核。

By means of FEM, the stress and strain distribution and the flow direction of the deformed materials in typical planes of this mechanical model are analyzed. The influencing regularities of the main factors, such as rib width, friction coefficient, rib side angle, material characteristics are also discussed.

利用刚塑性有限元方法，对这种简化力学模型典型平面上的应力应变分布以及变形后材料的流动方向等方面进行了深入分析，并对主要因素，如凸筋宽度、摩擦系数、凸筋侧壁角度、材料特性对凸筋高度和形状的影响规律进行了研究。

Key words: Partial Press; Joint Arch Tunnel; FEM; Construct Order

偏压， 连拱，隧道，方案，开挖

Secondly,the space finite element model for main arch ring of Changyang Huanglingdong Bridge is established by general FEM programme ANSYS.

利用ANSYS建立了湖北长阳黄陵洞大桥箱形主拱圈的空间有限元模型，采用应力叠加法和传统方法对裸拱形成过程进行了力学分析。

This paper introduces the structure, especially the technics of armature winding and the way of arrange method of the motor. Based on it, the physical and mathematical model of the armature magnetic field was found. Then making use of the FEM to compute and analyze the armature magnetic field. At last, the influence of the armature magnetic field to the main field is discussed.

本文通过对此种电机结构，尤其是电枢绕组工艺及盘列方式的简单介绍，建立了盘式无铁心永磁同步电机电枢磁场的数学模型和物理模型，并利用有限元数值计算方法对电枢磁场进行计算，分析了此种电机电枢磁场的分布情况以及它对主磁场的影响

Keywords: Injection System Balance, Runner Balance, Gate Balance, FEM, Moldflow

注塑系统平衡，流道平衡，浇口平衡，有限元， Moldflow

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。

According to the researching actualities in ring rolling, this paper researched deeply the basic law of rolling deformation by simulation using ABAQUS software on the base of ring rolling theory and elastic-plastic kinematics explicit FEM. And the residual stress in cold ring rolling was computed by numerical simulation.The mass scaling measures in finite element simulation of ring rolling were researched.

本文针对环件轧制的研究现状，基于环件轧制理论和弹塑性动力显式有限元法，以ABAQUS有限元分析软件为平台，以数值模拟的方式对环件轧制变形的一些基本规律进行更深入的研究，并对环件冷轧时的残余应力进行数值模拟计算。

After the rigidity matrix calculations, the FEM analysis program ANSYS is used to create models, with the truss structure and box cross-sectioned cantilever board beam as models.

在完成结构刚度矩阵计算的前提下，以桁架结构和矩形截面悬臂板为模型，利用有限元程序ANSYS进行建模，分析了不同类型的结构在温度变化作用下的响应，从而得知温度变化对桁架结构的模态参数影响不大，而对矩形截面悬臂板梁的模态参数有一定的影响。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。