有限元法

objective to simulate the patient-specific aneurismal model with computational fluid dynamic software and analyze the characteristic of hemodynamics.

目的 应用计算流体力学软件结合有限元法对颅内动脉瘤进行三维数值模拟，分析动脉瘤的血液动力学特性。

Corpus vertebrae and arcus vertebrae were modeled using eight-noded brick elements. Using the material properties from literature, the 2885-finite element model was exercised under different corrective loads such as forces of distraction, compression and rotation, etc.

分别研究纵向撑开力、横向矫形力及旋转力、压缩力的作用，并进行各类矫形力单独作用及联合作用时的矫形效果比较，同时对三维有限元法在脊柱畸形矫形中的应用价值作相关分析。

The temperature response of laser induced retina and choroids is analyzed in theory.

为了避免激光经瞳热疗带来的热损伤或治疗不足，建立了眼底层状模型并采用二维有限元法求解生物传热方程，从理论上分析了激光引起的视网膜和脉络膜的温度变化。

In this paper, the structure calculation and the experimental research were carried out to investigate the load transfer in the type of floor system.

本文采用有限元法对该类型桥面结构中桥面荷载的传递情况进行分析计算和试验研究。

Finite element method ; shape optimization ; sensitivity analysis ; material forming ; preform design ; die design

有限元法；形状优化；灵敏度分析；塑性成形；预成形设计；模具设计

3D FEM has been employed to analyze and simulate numerically the process of hot extrusion of transmission shaft forgings with deep research of phenomena of top and bottom of fork that not completely filled in the forming process hence all especial punch die structure preventing the defects been developed.

新闻摘要：采用三维有限元法对套管叉锻件热挤压成形过程进行了数值模拟仿真分析。针对其成形过程中出现的叉部顶端及底端充不满现象进行了深入分析，提出了防止缺陷产生的一种特殊的凸模结构。

The FEM analysis was conducted with the combination of different friction factor and different lateral angle.

利用刚塑性有限元法分析了摩擦对挤压件变形均匀程度的影响，以不同摩擦因子与不同侧向角的组合为分析对象，摩擦因子取值范围为0.1～1.0，侧向角取值范围为10°～90°。

The law of factors' affecting degree, which influences the parameters between geogrids and soils in the pulling-out procedure, is obtained. With the concept of 'equivalent pull-out displacement' brought forward, the whole process of pull out tests is divided into two process-" main process (when x 1.0)" and "residual process (when x 1.0)", and three stages-static friction resistance stage, slip friction resistance stage, and residual friction resistance stage.2 The value of friction coefficient between reinforcement and soil varies with their definitions of friction, but each factor' s affecting degree influencing friction pa

将模糊控制理论引入了岩土工程过程分析，考虑影响因素影响程度的变化及其规律，提出了一套可供岩土工程过程分析中参数选择的分析方法，并在筋土界面相互作用参数选取的拉拔试验过程控制中获得实施，为应用有限元法对加筋土结构进行过程中南大学博士论文摘要分析提供了参数选择的新方法；将模糊聚类分析方法应用于加筋土陡边坡状态评定，并提出侧向位移可作为加筋土边坡状态评定的量化指标，而不同类型边坡的侧向位移允许控制值可仿效此法结合工程经验确定。

The problem of oscillation of temperature field numerical solution of blast furnace gas and stock temperature field is solved by the upwind finite element analysis , and the working conditions of blast furnace with the center coke charging is analyzed.

将迎风有限元法引入高炉煤气和炉料温度场解析，解决了强对流条件下温度场数值解的失真振荡问题，分析了中心装焦时的高炉炉况。

In this paper, the finite element method was applied to the vibration characteristic analysis for the upper bracket and head cover of a certain large-scale hydropower generator unit.

采用有限元法对某大型水轮发电机组的上机架和顶盖结构进行了振动特性分析，得到了结构的自振频率和相应的振型，结果表明：顶盖产生共振的可能性较大，应加以预防。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。