查询词典 finite element method

With widespread use of FEM in engineering and the rapid development of the parallel computing system, Parallel finite element method as well as its mesh generation techniques has drawn the unprecedented attention.

有限元方法在工程中的广泛应用以及并行计算机硬件环境的快速发展使得有限元并行计算及其网格生成技术受到了前所未有的重视。

The relevant computing program with3D finite element method FEM is developed with NDP FORTRAN.

该程序采用网格自动浮动和分区异步长法，具有较高的计算效率。

The structure feature of the sensor was described in comparison with the classical Stewart platform-based six-component force sensor.By using the finite element method,the elastic dynamics theoretical model of the sensor was established based on the conditions of displacement consistency and force balance.According to this model,the numerical analysis was carried out,and the variety relationship curves between the natural frequencies and the structural parameters are plotted.

描述了该传感器相对于经典Stewart平台六维力传感器所具有的结构特点；利用有限元法，采用位移协调和力平衡条件建立了传感器弹性动力学理论模型，依此模型进行数值分析，绘制了固有频率与各结构参数间变化关系曲线；并利用ANSYS软件建立了传感器有限元模型，进行了振动模态分析，得到其固有频率和振型。

Combined with the boundary continuity condition between two kinds of two-phase medium, this finite-element method is facilitated to compute the seismic response of layered model.

文中首先推导了黏弹性双相介质的显式有限元表达式，并编制了程序；给出了黏弹性双相介质交界面的连续条件，这样就可以方便地应用于分层地质模型的计算。

Assuming that linear elastic continuums will deform following the elastic rules of Hook and taking the transformation of linear elastic organs in medical images as that of continuity, Finite element method is used to perform motion analysis, which is non-rigid algorithm based motion.

我们采用基于非刚体的有限元方法对超声心动图像进行运动分析，其中涉及到弹性力学的引入、有限元理论的介绍、单元网格的划分、单元的集成、位移边界条件以及对实验结果的分析。

When the stress and displacement fields in a specimen are calculated by finite element method, the stress intensity factors K and K of mixed-mode crack can be obtained immediately by a contour integral.

此方法与积分路径的选择无关，用有限元法计算出远离裂纹尖端的位移场和应力场，就可通过计算绕裂端的围线积分，精确地给出混合型裂纹的应力强度因子KⅠ和KⅡ的数值解。

Simulation of micro-milling process is conducted using finite element method. During modeling, the Johnson-Cook's coupled thermal-mechanical model was employed as workpiece material model, the Johnson-Cook s shear failure principle was adopted as work piece failure principle, and the coupled thermal-mechanical hexahedron strain hybrid modules and adaptive grid were used to remesh the workpiece's elements. The friction between the tool and workpiece obeys the amended coulomb's law that combines with the sliding friction and the adhesive friction.

采用有限元方法对微细铣削过程进行模拟，采用Johnson-Cook热力耦合模型作为工件材料模型，采用Johnson-Cook的剪切失效法则作为工件材料的失效准则，采用热力耦合平面应变杂交单元并使用自适应网格技术进行网格划分，刀具与工件间的摩擦采用滑动摩擦区和粘着摩擦区相结合的修正库仑定律。

The application of Karhunen-Loeve expansion to simulating the soil parameters random field is researched;and the characteristics of the KL decomposition are analyzed;and the Galerkin finite element method is adopted to solve the integral equation numerically in the irregular region and for arbitrary covariance function and to simulate the anisotropic conductivity field.

研究了Karhunen-Loeve展开在土性参数随机场模拟中的应用，分析了KL展开的特点，针对不规则区域和任意类型协方差函数提出了积分方程的Galerkin数值解法，模拟了土壤渗透系数各向异性随机场。

Wheel/rail friction,rolling contact,temperature,creepage,finite element method

中文关键词：轮轨摩擦；滚动接触；温度；蠕滑率；有限元

Material removal rates can be obtained by the proper application of this phenomenon. The stresses of crosshatch intersection point for ceramics is analyzed by using the finite element method.

珩磨加工中，相邻磨粒间陶瓷材料磨削裂纹存在着相互扩展和交叉，磨削残余应力控制磨削裂纹之间的相互影响作用。

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％。