查询词典 fem

Through FEM computations and analyses, some important characteristics, such as the stress concentration regions, the distribution of temperature "hot spot", their principal destruction ways and position, and so on, were obtained, and some improvement suggestions were made.

经有限元计算和分析，得到其应力集中区域、&热点&分布和主要破坏方式及其位置等重要特性，并提出了改进建议。

In this paper the forming process in the multi-ram forging process of high-pressure tee joint used in power industry and petroleum chemistry industry is introduced.

介绍了采用多向模锻锻制动力工业和石化工业用高压三通的工艺过程，通过FEM模拟总结出高压三通的基本成形规律，并揭示了高压三通多向模锻过程中水平冲头向上翘曲现象及其产生原因，为类似锻件的多向模锻工艺的设计提供了有益的借鉴。

By means of the FEM, this paper analyzes in detail the stress and strain distribution in sheet metal and its varying tendency of thickness and height during cup hydrodynamic deep drawing, and sums up the roles of soft bead and cavity pressure contribution on sheet metal forming.

研究和分析了在不同成形条件下板料内部应力应变的分布、厚度的变化趋势等，总结出软拉深筋和充液室液体压力对提高板料成形极限的作用。

Based on large strain theory, an analysis model of FEM on the basis of Updated Lagrangian is created.

本文依据大应变理论，建立基于Updated LagrangianU。

The effect factors analysis based on FEM shows that: Raising the strength of concrete and the thickness of cover concrete would delay the cracking of concrete; Stress superposition would appear due to the influence of adjacent rebar, and increasing the rebar space would postpone the time of cover cracking; Stirrup could suppress the cracking of cover concrete, however, the effect is limited and the corrosion-degree-ratio and corrosion expansive force would not increase until the cover concrete cracking happens completely.

结合有限元分析结果，对影响锈胀开裂的各因素进行了分析，结果表明：提高混凝土强度、增加保护层厚度有助于延缓保护层的开裂；相邻钢筋的存在会使钢筋之间的混凝土出现应力叠加现象，箍筋对混凝土保护层内由锈胀产生的应力具有抑制作用，但是在保护层完全开裂之前，箍筋的抑制作用有限。

The indoor experiment of mechanical parameters of rock is performed to provide a series of mechanical parameters of rock-mass needed in numerical simulation of abandoned stope disposal.(3) The minimal roof span, the minimal cantilever roof span and roof cutting depth are studied by the 3D non-linearity FEM code ANSYS.

开展了室内岩石力学参数试验，提出了数值模拟研究所需要的岩体力学参数；(3)应用三维ANSYS有限元程序研究了顶板极限跨度、悬臂状态下的顶板极限跨度和切顶深度。

Finally, it can be concluded that the construction process of Shaxi Bridge is reasonable, and that the influence of shrinkage, creep and temperature load on the prestressed concrete slab bridge is obvious. It is showed that the calculation result using FEM and the actual damage phenomenon fit well.

最后，通过这些分析可以看出沙溪大桥的施工过程是合理的，收缩徐变和温度效应对预应力混凝土板拉桥的影响很大，验证了有限元计算结果与实际出现病害现象的吻合。

FEM is being more and more extensively used due to the advantage of convenience, high precision, short cycles and broad suit last years.

特别是近年来，有限元法以方便、快捷、精度高、周期短、适应性广等优点在工程中得到了越来越广泛的应用。

Long-March bridge's finite element model is established on the basis of all above. FEM is used for analysis the change of interal force under the self-weight, prestress and experimental load.

在这基础上建立了全桥的有限元模型，分析结构在恒载，预应力和试验载荷作用下的内力变化。

By use of 3-D FEM,the bearing capacity of jacking piles and uplift piles was simulated,and the conversion coefficient in self-balanced static test loading was studied.

采用三维有限元方法对桩顶压桩和桩底托桩承载特性分别进行模拟分析，研究了自平衡静载试验法中的转换系数。

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。