查询词典 fem

Experiment Study on the Long-Term Stability of Bearing Load Cell in large turbine-generator sets;2. Study on the Assembly Shearing Bridge Load Cell for Two Pad Tilting Pad Bearing;3. D FEM analysis of a load cell with on 2 pad tilting pad bridge bearing in large turbine generator sets has been made.

本文对大型汽轮发电机组剪切桥式两可倾瓦轴承负荷传感器结构进行了二维有限元分析，研究了不同边界条件对传感器结构应力场的影响，计算与试验结果对比表明：所建立的有限元模型基本是正确的，可将其用于两可心倾瓦轴承负荷传感器结构设计。

In regard to the practical coking process, a kinetic two-dimension coordinate calculation method was established in determination of the temperature field and its stress field of coke tower shell both in radial and axial directions with reference to shell innate flow rate by FEM.

通过动态坐标法模拟了恒速上升的液体介质界面在焦炭塔内沿塔壁爬升的动态边界工况，对其在壁中引起的径向和轴向二维瞬态温度场进行了有限元计算。

Reliability analysis of this method by FEM demonstrates that it can ensure the safety of the reinforced column and the formula is simple? easy to be used in engineering practice.

用有限元方法对强度折减法的可靠性分析表明，该方法能够保证加固后柱的安全，且公式简单，便于实际工程使用。

The calculation results show that the temperature of the valve cone changes periodically, leading to thermal stress changes periodically, which is the main reason of the valve cone pit corrosion; the operating temperature of the valve can be reduced by using the higher thermal conductivity materials; at the Same time, 3-D FEM provides a good theoretical basis in the process of the design and improvement for the parts of ICE.

计算结果表明：气门锥面处周期性的温度变化，会导致周期性变化的热应力，是导致气门锥面疲劳点蚀的主要原因；采用较高导热系数的材料可降低气门的工作温度；同时，三维有限元法能为内燃机零部件的进一步设计改进提供很好的理论依据。

After verification of FEM, 45 species of 15 series are computed. The major parameters including slippage coefficients, pretensions forces, dimensions of angles, arrangement of bolts, connection method among angle, beam web, column flange, and so on are studied. Some important conclusions are drawn.

主要研究了摩擦系数、螺栓预拉力、螺栓线到与柱连接角钢肢背的距离、螺栓直径及级别、梁长、螺栓排列布置、梁高、柱翼缘厚度、角钢厚度、角钢长度、梁腹板只与角钢肢尖相焊接、钢材强度、角钢与梁柱均栓接、角钢与柱焊接与梁栓接、角钢与梁柱均焊接等参数对腹板双角钢梁柱连接滞回性能的影响，得出了一系列重要的结论。

Firstly edge detection method for cross-sections is expatiated, and a B-spline active contour based on adaptive FEM is proposed to fit the digital contour curve.

首先对断层图像的边缘提取方法进行了论述，针对得到的截面轮廓数字曲线，提出了一种基于自适应B样条主动轮廓拟合方法。

It is considered that the experimental results coincide with the simulating results.The simplified graded inertia anode model is provided from the improvement of the first 2-D graded model. This model is made of cup-shape section, core bar and plugging compound. ANSYS FEM software is used to compute the distribution of the thermal stress in the model.

针对第一种二维梯度阳极模型存在的缺陷进行改进，设计了一种简化的梯度阳极模型，整个模型由外部杯状结构(NiFe_2O_4+Ni)、芯杆(1Cr12WMoV合金钢)、中间填充层(NiFe_2O_4+Cu)三部分组成，由于这三部分的热膨胀系数、弹性模量等物性参数是呈梯度缓慢过渡的，因此可以把这个模型看成是广义的梯度模型。

High-speed precision press; crank and slider mechanism; combined frame; simulation analysis; FEM; modal analysis

论文导师朱思洪，论文学位硕士，论文专业机械设计及理论

According to the velocity filed mentioned above, the contour of the drawing die was rationally designed. To prove its applicability and superiority, FEM software, MARC and SUPERFORM, were used to simulate the drawing process of cross tube in "conical die" and "streamlined die".

本文以十字形钢管为研究对象，开展对异型钢管拉拔成形过程研究，首先结合挤压流线理论，设计了&流线型&拉拔速度场模型，这为改善金属流动状态、降低能耗创造了良好条件；紧接着以&流线型&速度场为理论依据，对十字形管拉拔模具的凹模轮廓进行了合理设计。

By using 3D-FEM, the causes of cracks of the dam body and asymmetric deformations are analyzed. On the basis of these analyses, the reinforcement measures like consolidation grouting, curtain grouting and thickening dam body are put forward.

5根据三维有限元方法系统地分析了长沙坝水库砌石拱坝的坝体开裂及不对称变形的成因，并以此为依据提出了进行固结灌浆、帷幕灌浆以及加厚坝体的加固方案。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"