相对位移

ADINA软件用临界相对位移增量△Sυ来控制切向接触状态，其切向接触条件与Goodman单元类似。

In ADINA the critical relative displacement increment is used to control the tangential contact state . The tangential contact conditions are similar to the Goodman unit .

计算中，为了计算在接触面间的接触力和相对位移，利用了ADINA中有摩擦的接触分析和重启动分析技术。

The distribution of the contact force and relative displacement is calculated by using ADINA , which contains the contact algorithm and restarting analysis in the analysis of the slope stability .

如果能用仪器设备直接测量结构应变和相对位移将具有更大的优越性。

It would be highly advantageous to have instrumentation to directly measure structural strains and relative displacements .

数值模拟发现，等沉面高度主要决定于桩梁净间距，而桩土相对位移、路堤填料强度参数c、φ及水平加筋体拉伸强度对等沉面高度几乎没有影响。

The numerical results show that the height of the equal settlement plane is mainly influenced by the pile-cap clear spacing and has nearly no relationship with the pile-subsoil relative displacements , the reinforcements tensile strengths , and the mechanical properties of embankment fill .

实验数据的谱分析结果表明，利用GPS观测数据可以精确地鉴别出振动特征，如相对位移和频率，并且当GPS数据的采样频率为F时，至少可以分辨出约0.25F以下的振动频率。

The spectral analysis results indicate that clear and accurate vibrating characteristics such as relative displacements and frequencies of at least about 0.25F can be derived from GPS observations with sampling frequency F.

结论：建立了椎体成形手术前后L1～2段椎体三维有限元模型，在有限元模型上计算腰椎L1～2相对位移可以说明椎体三维的生理状态。

CONCLUSION : Building three-dimensional FEM of L1-L2 segments for preoperative and postoperative PVP can explain three-dimensional physiological status of vertebral body based on calculating relative shift of L1-L2 segment of lumbar vertebrae .

建立激光干涉仪数据采集系统，用VC编写了测量软件，能够测量目标镜的相对位移，并实现三路激光跟踪仪的同步数据采集。

The data acquisition system of the laser interferometer is set up , and the measuring software based on VC is programmed to measure the relative displacement of the target retroreflector . Furthermore , a synchronous data acquisition system of three laser interferometers is realized .

安装SR隔离系统后，对各种地面运动，（模型）所有层面的最大加速度值都显著降低，但其相对位移在很大程度上依赖于地震激励的种类。

The maximum acceleration for all floors was significantly reduced with the addition of a SR isolation system , regardless of ground motion input . However , the relative displacements of the SR isolated model are strongly dependent on the type of earthquake excitation .

研究应用磁流变（MR）阻尼器对隔震连续梁桥邻联相对位移的半主动控制，并采用离线优化与在线自调整相结合进行模糊控制（FLC）。

Semi-active control via magnet rheologic ( MR ) dampers for control of the relative displacement between adjacent segments of a seismic isolated continuous girder bridge is investigated , and fuzzy logic control ( FLC ) is performed by combing offline optimization and online self-tuning .

用光栅法测定加载至200N、400N、600N、800N时各标本髋臼骨折端的相对位移。

Loads with the diffraction grating law determination to when 200N , 400N , 600N , 800N various specimens acetabulum bone fracture relative displacement .

用描述桩侧摩阻力与桩-土相对位移关系的指数函数，推导出桩-土接触面本构模型，并设置了Goodman接触面单元来分析桩土相互作用。

According to an exponential function describing the relation between friction around the pile and relative displacement of pile-soil , a constitutive model of interface is put forward and used as a means of studying pile-soil interaction with Goodman interface element .

讨论了在不同的深厚软弱地基条件下，输入地震动特性不同时桩箱基础高层建筑地震反应的特性，指出了SSI效应对上部结构楼层绝对加速度反应和楼层相对位移反应的影响规律。

The earthquake response characteristic of superstructure built on different deep soft sites is discussed for different input ground motions . Some rules of SSI effect to the absolute acceleration peak value and relative displacement of high-rise building floors are drawn out .

提出了基于模糊控制和LQG最优控制的复合控制策略，模糊控制是以悬架的相对位移和相对速度作为输入，路面激励等级作为输出的，并在MATLAB中验证了该模糊控制器的准确性。

The compound control strategies based on fuzzy control and LQG optimal control was proposed , the inputs of fuzzy control were the relative velocity and relative acceleration of the suspension , the output was the road excitation grades , and in MATLAB verified the accuracy of the fuzzy controller .

论文应用高级非线性有限元软件Marc，对径向摩擦焊的夹持模型进行三维非线性接触摩擦有限元分析比较，重点对弹体及过渡套两者之间的相对位移进行分析。

The paper applies a finite-element software named Marc to carry on the three-dimensional nonlinear contact & friction finite-element analysis on the clamped model of radial friction welding , to analyse the stress of workpiece body and the transition bushing , and the relative displacement of both mainly .

结果表明：富蕴断裂带中部的相对位移最大，约300mm，中误差约为60mm，平均形变速率最大达6mm/a；

The results show that the maximal relative displacement along the Fuyun fault zone is about 300 mm , mean square error is about 60 mm , average deformation velocity about 6 mm / a ;

对由高效阻尼装置（HEDMS）连接的两单自由度相邻结构在过滤白噪声激励下的相对位移响应进行了随机分析。

The seismic responses of two adjacent buildings linked by high efficient damper for multi-structure system ( HEDMS ) are investigated in this paper based on the shaking table tests .

针对大型振动台模型试验中存在的位移测量问题，采用光学非接触测量的方法设计了一种相对位移传感器，其准确度为10μm，频率响应为0～100Hz。

Considering of displacement measurement for structure in shaking table , noncontact optical method is used to develop a sensor , its accuracy is 10 μ m and the frequence response is 0 ~ 100 Hz .

试验中桩身侧阻软化值与原型桩实测侧阻软化值接近，且极限侧阻所对应的桩土相对位移试验要比规范值大得多，约为45～85mm；

In the centrifuge tests , when the relative displacement between pile and soil was 45 & 85mm , which is much more than the criterion 's , the pile-side resistance will become most .

但这两种相对位移不是孤立的，它们通过刚体绕某一特定点（x0，y0）转动一个微小角度φ0被统一起来。

These two relative changes of position are not separated mutually , and can be interconnected by that the rigid body turns a little angle φ 0 round a special point ( x 0 , y 0 ) .

研究结果表明，采用混杂纤维作为增强纤维可大大提高NAFC材料的耐高温性能，混杂纤维构成的网状结构中纤维间的相互作用限制了两者间的相对位移，有效抑止了裂纹的传播。

Research results indicate that the NAFC material made of hybrid fiber possesses good heat resistance , and the interaction among the mesh structure fibers in NAFC materials reinforced by hybrid fiber limits their relative motion , which restrains propagation of crack in the materials .

此外计算结果还显示，相对于设计基本地震加速度，地面与基岩间的水平峰值相对位移（PGRD）对于地下结构抗震分析及设计而言是一种更为合理有效的设计地震动参数。

For seismic response of underground structures , the peak ground displacement relative to the bedrock ( PGRD ) seems to be a more effective and reasonable design parameter of ground motion than design basic acceleration of ground motion .

直线与曲线轨道上车辆悬挂相对位移的计算

Calculation of Displacements of Vehicle Suspension on Tangent and Curved Tracks

具相对位移的双周期平面弹性第二基本问题

On The Doubly-Periodic Second Fundamental Problem With Relative Displacement in Plane Elasticity

大型振动台模型的相对位移测量

Relative displacement measuring in test of earthquake simulation shaking table

各向异性弹性长条具相对位移的周期混合问题

On the PeriodiC Mixed Problem of Anisotropic Elastic Strip with Relative Displacements

顶层相对位移的控制效果达到51%；

The relative displacement of the top can be reduced 51 % ;

在两截面处用四组平面编码器测量两截面的相对位移，通过对相对位移运算，得到两截面的相对转角。进而实现转矩的测量。

Measure the relatively rotation displacement of twain section using quadruplet planar encoder .

十六结点四十自由度相对位移板壳单元

The Relative Displacement Plate-Shell Element with 16 Nodes and 40 Degrees of Freedom

绝对变形量的相对位移法监测

Monitoring Absolute Amount of Deformation with Relative Displacement Method

着重研究了前后油缸加载点的相对位移。

The relative displacement between the front and retral loading location is emphasized .