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fem相关的网络例句
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Using FEM, the coupled action of thermal stress and crustal stress has been taken into account. The regularities of distribution of the horizontal displacement of surface of slope and the shear stress of junction plane between shotcrete and rock are discussed too. According to the analysis, under the combined action of thermal stress and crustal stress, top and foot of slope are liable to be destructed. Ordinary, the destructional form of the top is tensile failure and the bottom is shear failure. There are some time effect of displacement and stress in the surface of slope and distribution of temperature in slope, which agrees with actual measured rules.

采用有限元的方法,考虑地应力与温度应力的耦合作用,分析了在一定的边界温度作用下不同时刻边坡喷层面的水平位移,以及喷层与岩层结合面处的剪应力的分布规律;指出在温度应力与地应力的共同作用下,喷混凝土边坡坡顶与坡脚均为容易发生破坏的地方,通常坡顶的破坏型式为拉张破坏而坡脚则为剪切破坏;边坡内的温度分布、边坡表面的位移与应力的变化均存在一定的时间效应,这一规律与实测规律比较吻合。

The RF cage and new cage were respectively inserted into FEM of lumbar spine in L2-L3 motion segment for comparing the biomechanical features, such as stress of adjacent disc, contact pressure of interface between cancellous bone and cage, subsidence, dislodgement and range of motion.

而新设计椎间融合器和现有的RF融合器分别被放在L2-L3的运动肢段中,比较它的生物学特色,如邻近椎间盘应、骨头与融合器之间的接触压、下陷、移位和运动范围。

The paper analyses the cooling process of symmetrical and dissymmetrical section profile with FEM software ANSYS, then adopt the data to guide the design of moulds cooling system.

使用有限元分析软件ANSYS分析了对称截面和不对称截面两种型材在定型模内冷却的过程,并采用分析得出的数据指导定型模冷却系统的设计。

Numerical simulation of drawing process of the part has been done by using the FEM. Ultimately the reasonable die surface fo the process has been gaied which is applied in manufacture of the die through the adjustment and amendment of the drawing surfact based the simulation result, hence a guidance to the design of th elative parts.

并运用有限元技术对其成形过程进行数值模拟,根据模拟结果对拉延型面进行调整、修改,最终得到合理的模具型面用于模具的加工制造,并对同类零件的设计起到一定的指导作用。

In this paper, the research object is the XM18 spherical generator, in order to improve the dynamic behavior of the machine tool, the following aspects have been studied in this thesis: Firstly, based on the elasticity theory and finite element analysis theory, the finite element models of the lathe bed, dovetail, dovetail shelf, headstock, fanlike plank and millhead shelf, which were the main parts of the spherical generator, were built up using ANSYS9.0. And based on the modal analysis theory and FEM technology, the free modal and the constrained modal analysis of the main parts were studied. Accordance to the analytical results, put forword methods to optimize the key parts.

本课题以XM18球面铣磨机为研究对象,为了提高其动态特性,本文主要从以下几个方面进行研究:首先,根据弹性力学理论和有限元分析的基本理论,利用ANSYS9.0软件建立了铣磨机的主要零部件床身、燕尾、燕尾座、主轴箱、扇形板和磨头座的有限元模型,利用有限元法对主要零部件进行了自由模态和约束模态分析,并根据分析结果对关键部件提出了改进方案。

3D-FEM computation model included 41 items of large structures and 5 items faultage s in the real attitude and distribution at the No.

根据结构面和断层的实际产状建立了包含41条长大结构面及5条断层的三峡大坝左厂3号坝段和4号坝段联合作用的三维有限元模型,模型中的结构面采用Goodman节理单元。

Location of the rotation center and contact frication state of connection components were another objective of this study. FEM analysis fit well with test results.

有限元参数分析表明,在影响角钢连接刚度和承载力的诸多因素中,角钢的厚度、梁的高度、螺栓的位置和柱腹板(或本文新型连接的T形件翼缘)的宽厚比、螺栓直径和预拉力大小影响较明显,其中角钢厚度影响最大。

In this project, we have deduced the joint inversion model of geodetic data, seismic data and geological data considering about their weight ratio; presented Bayes-iterative search inversion algorithm which improved on the traditional Bayes algorithm and strengthen the stability of inversion solutions; enriched and developed geodetic joint inversion theory and method of tectonic stress field; joint with geodetic, seismic, geological and geophysical data, we have inverted the temporal and spatial variation characteristics of crustal deformation of active tectonic blocks in North China and the present-day cruatal movement and strain-stress field by FEM, DDA and bi-cubic spline function fit method; especial for the crustal deformation result in some typical areas, we have presented geodynamical interpretation and done some seismic dangerous estimations.

大地测量联合反演构造应力场属于大地测量与地球动力学和地震学的交叉研究领域,主要内容是研究用大地测量地壳运动监测数据定量研究地壳运动和变形的动力学问题及分析预测地震,本项目推导了兼顾权比确定的大地测量、地震和地质三类数据的联合反演模型;提出贝叶斯-轮回搜索反演算法,改进传统的贝叶斯方法,改善反演解的稳定性;丰富、发展了大地测量反演构造应力场理论及方法;联合大地测量、地震、地质、地球物理数据采用有限单元法、块体不连续变形分析法和双三次样条函数拟合方法反演分析了华北地区活动地块运动时空变化特征以及中国大陆现今地壳运动与应变-应力场,对典型地区地表形变结果进行地球动力学解释并进行地震危险性估计。

The thesis had still explored a new energy criterion to evalute stability of geotechnics engineering for FEM analysis of large deformation.

探讨了一种新的用于大变形有限元分析岩土工程稳定性的能量准则; 6。

Appropriate 3D FEM was established according to seepage field boundary and hydromechanical coupling effect of a planned tunnel excavating was analysed.

隧道开挖和由开挖引起的地下水渗流引起围岩应力重新分布,对隧道围岩的稳定性有重要的影响。

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推荐网络例句

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代,船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单,希望发动新暴动的人便寥寥无几。

Speak with contempt of none,form slave to king,the meanest bee,and will use,a sting.

别用 言词贬低任何人,无论国王还是奴隶。最卑戝的蜜蜂也会用它的毒针蜇人。