查询词典 fem

A three-dimension FEM model of normal L4-5 was built, and the lumbar facet joints were treated as to contact with each other. Various motions of L4-5 were simulated by changing the loads: anteflexion, retroversion, right rotation, right bending and longitudinal compression.

本文建立了L4-5正常运动节段的有限元模型，将两小关节面处理为接触模型，分析了小关节面在腰椎前屈、后伸、侧弯、旋转及压缩运动状态下的受力情况，发现小关节在承载方面作用较大，特别是抗旋转运动过程中作用更明显。

With the help of numerical simulation, the surface settlement, the apophysis on the bottom of foundation and the level displacement were calculated and analyzed by using FEM program.

根据计算结果和实际情况的比较反证了在软粘土中应用该模型是适合的，同时，对基坑开挖施工、地表沉降预计等作了定性的分析。

Based on the analysis of mechanism for joint region, the "frame-wall" and "aslope compression stub column" mechanical models and yielding patterns of core zone of the joints are set up. The shear load-carrying formulation for joint core zone is also given in terms of plastic ultimate analysis. And then, the comparisons between the formulas given in this paper and that of Chinese Design Code and nonlinear FEM as well are presented.

对节点核心区的抗剪，通过受力机理的分析，建立了钢"框架剪力墙"加混凝土斜压短受力体系及其屈服机制，根据塑性极限分析，给出了节点核心区抗剪承载力计算的迭加公式，《规程》公式和非线性有限元近似模拟分析结果进行了比较。

Numerical examples show that the ATF elements exhibit excellent performance and some traditional difficult problems appeared in the development of the FEM are solved with them.

数值算例表明，基于解析试函数的广义协调元具有良好的性能，计算精度高，并较好地解决了有限元发展中的几个疑难问题。

Taking the magnetic field of magnetic levitation ball control system as an example,the FEM analysis method for the axial magnetic field have been described, which in nonlinear on the base of analysis of the principles of electromagnetic suspension control system.

在分析电磁悬浮控制系统基本原理的基础上，以磁浮球控制系统的磁场为例，论述了轴对称非线性磁场的有限元分析方法，建立了有限元方程，应用二维磁场有限元软件对在不同的悬浮气隙下的磁场吸力进行了精确的计算。

Based on geometry characteristic of the nozzle and the main factor in the procedure of the thermal analysis, the axial symmetry FEM model is established and the temperature distribution of the nozzle is evaluated.

考虑了喷管的几何特性和热分析过程中的主要因素，建立起轴对称的有限元计算模型，计算了喉衬组件与扩张段结构的瞬态温度场。

The results of prediction agree well with the experimental ones. It proves that the thermo-mechanical analysis、the neural network models of flow stress and microstructure as well as the numerical simulation system developed combining coupled thermal-mechanical rigid-viscoplastic FEM with BP neural networks are reliable to describe the hot back extrusion process of Ti15-3 alloy truly. The simulation system has good prediction capacity for the microstructure evolution of Ti-15-3 alloy during hot backward extrusion and after solution treatment. It can be used to replace the experiments for predicting the flowing laws and the distribution of microstructure.

由此证明，本文的热力耦合理论分析、流变应力及显微组织的神经网络预测模型以及采用三维热力耦合刚粘塑性有限元与三层向后传播的人工神经网络相结合的方法开发的Ti-15-3合金筒形件热反挤成形的显微组织数值模拟系统是可靠的，能够真实地描述Ti-15-3合金热反挤工艺过程，并对其反挤成形及固溶处理后的显微组织具有很好的预测能力，可以被用来代替预测其反挤成形规律和组织分布情况的试验。

In this paper,the FEM and Fatigue Life Test Method were used to study optimization of reliability of the balance arm of some special vehicle.

平衡肘是履带车辆的关键件，该文用有限元法和疲劳寿命试验法对某特种车辆的平衡肘进行了可靠性优化研究，上述方法给出了关键部位的最佳尺寸。

The FEM results were found to be comparable to experimental data.

结果发现有限元预测结果和实验数据具有可比性。

The HT FEM is demonstrated to be ideally suited for the analysis of the fracture problem.

可看出HT 有限元是一种比较适合于断裂力学分析的数值方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。