有限元法

FEM for analysis of the structures of multistorey and tall building with shear blocks dowelled bidirectional hollow plates is discussed.

本文用有限元法来分析含有这种空心大板楼面体系的多层砖混结构和多、高层框架、框—剪结构。

D depth-averaged model for flows in river with submerged groins;2. Simulation study of organ pipe nozzle submerged water jet;3. The submerged tunnel is simulated by the Elastic-Plastic FEM to analyse its influence on the environment.

为了分析淹没坑道对环境的影响，采用弹塑性有限元法对被淹没的坑道进行了数值计算，分析了不同情况坑道衬砌及围岩的破坏变形情况，同时提出了相应的加固方案，并对拟采用的不同方案加固效果进行了模拟分析，分析结果表明所提出的加固方案可行。

By means of FEM the magnetic field distributions of AMB are calculated and the coupling phenomena of AMB are discussed. Intercrossing magnetic force, which is used to weigh coupling degree, is calculated also.

采用有限元法对磁力轴承的磁场分布进行了计算和分析，研究了磁力轴承的耦合问题，针对空间电磁力的分布，计算出衡量耦合强弱的交叉电磁力。

This method allows for a more accurate processing of boundary condition on the semiconductor layer in XLPE cable of stator winding than the standard finite element, so that the interlaminated issue of boundary condition on interface can be avoided. A general algorithm is applied to deal with both the Dirichlet and the periodic boundary condition in 2D or 3D magnetic field problem.

提出了用有限元法计算磁场问题时周期性边界条件和第一类边界条件的统一处理方法，利用该方法在不改变代数方程组阶数、保持系数矩阵性质不变和带宽基本不变的条件下，使两种强加边界条件能同时处理，简化了程序编制，并与寻址方法相结合，提高了计算速度。

In order to study the migrating rule of contaminants, a steady two dimentional mathematical model is adopted to simulate the groundwater flow field around the uranium miffing dam, and the model is solved with Galerkin finite element method.

为了研究污染物在地下水中的迁移规律，采用二维稳定流数学模型对铀尾矿库周围地下水流场进行概化，并用Galerkin有限元法对模型进行了求解。

At the same time, in order to analysis some indeterminacy of structure for example physics and geometric parameter, constraint conditions, stochastic wavelet FEM is proponed. Those methods make the applications of wavelet in structure engineering become more extensive.

同时，为了分析由于结构的物理、几何参数和约束条件等不确定性而引发的工程结构性能的不确定性，提出了随机小波有限元法，从而使小波在结构工程中的应用更加全面。

The whole paper can be divided into 8 chapters, Chapter 1 retrospects the investigation history of the theory of reliability and random finite element.

全文共分为八章，第一章是对可靠度理论及随机有限元法的历史回顾。

By the analysis of coupling of heat and stress, it is indicated that the coupling of heat and stress of boundary condition is main reason that results in scuffing failure.

通过采用有限元法对阿姆斯拉试验机上试块的三维温度场、等温接触应力场及热应力场的计算，阐述了热应力在摩擦化学反应中的重要作用。

This paper makes the fitting analysis of the field test data according to the hyperbolic model established by the interface spring theory,and simulates the experiment of bolt upraising by means of the finite element method.After the comparison of the calculated results with the field test results,the paper draws the main conclusion that good fitting effect can be obtained when the hyperbolic model is adopted in fitting the relationship between axial force and depth.The interfacial shearing stiffness will so...

文章按照界面弹簧理论所建立的双曲线模型，对试验实测数据进行了拟合分析，并采用有限元法对锚杆上拔试验进行了模拟，对比计算结果和实测结果得出的主要结论为：采用双曲线模型拟合锚固轴力随深度变化的曲线，可以取得良好的拟合效果；在逐级加载的条件下，界面的剪切刚度呈软化的趋势；在锚固界面没有发生较大滑移的情况下，计算位移和实测位移比较接近。

In SPIF process, the loading trajectory is complex and long, the thinning of the sheet thickness is dramatic, and the local deformations are accumulated. So, there are some difficutis in the numeriacla simulation of SPIF. For example, the modeling of SPIF is difficult and the computational efficiency is low.

金属板材单点渐进成形由于自身的特点，如成形过程载荷加载轨迹复杂且长、板材厚度的剧烈减薄变化、以及局部变形累积等，使得对其进行有限元法数值模拟存在建模难度大、计算效率低等难点问题。

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％。