查询词典 fem

The paper analyze the intermesh which affect plate deformation in hot leveling process used explicit dynamic FEM code ANSYS/LS-DYNA.

采用显式动力学有限元软件ANSYS/LS-DYNA分析了中厚板在热矫直时，不同压弯量对轧件矫直变形的影响。

Nine important research topics and existing problems from the early 1980's to 1990's in the international finite strain elasto-plastic FEM field were also being evaluated monographically.

这些问题的存在极大地限制了有限单元法在实际问题中的应用。

With the results of experimental data and FEM, The life predictive model of LCF for multiaxial stress states was presented.

在CMSX-4镍基单晶高温合金实验的基础上建议了一种考虑机械疲劳、蠕变和热疲劳交互作用的统一寿命模型。

Overlapping, nonoverlapping DDM are discussed. Waveguide problems are analyzed by DDM/FEM.

讨论了重叠型DDM、非重叠型DDM及其在FEM中的应用。

The calculating results are compared with the test data in available literatures and FEM results. The research results show that the plastic hinge model is precise and correct, which can satisfy with the actual engineering demands. The collapse pressure of perforated liner casing decreases with phrase angle, initial ovalization and diameter-thickness ratio increasing, and increases with the yield stress. The phrase angle and initial ovalization have greatly influence on the collapse pressure. The collapse pressure of perforated liner casing is slightly changed with the diameter and density of perforation when the diameter and density are smaller than 12mm and 120 shots per meter, respectively.

计算结果表明：筛管抗挤强度的塑性铰模型具有很高的计算精度和准确度，可以满足工程实际需要；筛管抗挤强度随着射孔相位角、径厚比和初始椭圆度的增加而降低，随着屈服强度的增加而增加，相位角和椭圆度对筛管抗挤强度影响比较显著；在射孔直径小于12 mm、射孔密度小于120 孔/ m 时，筛管抗挤强度随射孔直径和射孔密度增加变化不明显。

To assure astringency, sometechnologies have been used such as iterative penality function methods,assemblage mass matrix, reduced integration algoritlun, NeWton iteration methodwith parameters for non-linear equation set, introducing relax factors and doublesteps solution and so on, and an algorithIn for solving the nonlinear equation set offlow field by FEM has been presented.

基于有限元法建立了流场求解列式，为保证其收敛性，采用了迭代罚函数法，集中质量矩阵，缩减积分计算，带参数的Newton迭代求解，引入松驰因子及双层解法等技术，提出了一套适合流场有限元方程计算的非线性方程求解方法。

The FEM calculation results show the behavior of underground strata which obtained by calculation is mainly equal to what is acquired from the modelling test, and the increase of suspended roof's span rock salt cavity causes the increase of permeant height in overlying strata, and so does the increase of working depth.

有限元计算结果表明计算所得矿山压力显现特征与相似模拟试验结果基本一致；溶腔顶板悬露跨距增大，导致其上覆岩层的渗透高度升高；采深增大对上覆岩层渗透高度具有同样的影响。

This paper also describes microscopic mechanical behavior of foam metal materials phenomenologically by means of combination of experiments and numerical simulation, simulates dynamic and static response of foam aluminum structures by means of FEM, and simulates large deformation elastic-plastic behavior of foam aluminum structure under static and dynamic loads with accuracy.

本文还利用实验和数值模拟相结合的方法，以唯象的本构模型描述了泡沫金属材料的宏观力学行为，采用有限元方法模拟了泡沫铝结构的静、动态响应，较准确的模拟了泡沫铝结构在静态、动态载荷作用下的大变形弹塑性行为。

A 2D anisotropic unsteady groundwater flowing FEM equation is developed, and the Initial Flow Method has been used for the computation of the phreatic surface.

推导了二维各向异性非稳定流有限元方程，讨论了潜水含水层的自由边界处理问题。

Analysis is made on the risks of the shield tunneling across the existing railway by means of FEM and the following technical countermeasures are proposed: firstly, preconsolidation is made for the ground where the shield passes so as to improve the ground's stability; secondly, strengthened segments with preserved grouting holes are adopted in the tunnel design; thirdly, proper resources are allocated, the construction parameters are optimized and the construction monitoring and measurement are enhanced; finally, the shield tunneling is executed strictly following the predetermined plan.

采用有限元理论分析在有无旋喷桩情况下盾构穿越铁路的风险因素、提出控制沉降的技术措施：首先对盾构穿越区的地层进行了预先加固来改良地层，使地层有较好的稳定性；其次在盾构隧道设计上采用加强性管片，并增加施工预留注浆孔；在盾构穿越过程中合理配置资源，优化施工参数，加强监测和信息化管理。

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。"