strain field

Prediction of earthquakes using tidal information in the gravitational earth tide observation is in view of that there existed a regional stress field in a relatively large range in the focal region and its seismogenic area prior to large earthquakes, accompanying changes of strain and crustal elastic deformation.

利用重力固体潮观测中的潮汐信息预报地震是鉴于大震前在震源区及其孕震区存在着较大范围的区域应力场，伴随着应变与地壳弹性变化。

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Through model experiments, reasonable decouple coefficient range and slot width are gotten, and unsymmetrical dynamic strain field is analyzed.

通过水泥砂浆模型实验，得到了理想的名义不偶合系数与切缝宽度，测试分析了不均匀的动态应变场。

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By analyzing rock failure experiment with patches of the opposite slip direction of the parallel faults through the spatial and temporal evolution images of strain field, rock failure process and mode are studied.

通过对滑动方向相反的含障碍体平行断层失稳破坏岩石破裂实验的应变场时空分布特征的分析，探讨了岩石破坏过程和破坏方式。

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This paper, based on the finite element method ( FEM) and utilizing two different means, analyzes the stress and strain field distribution of central through crack tip on a finite flat plate, and calculates the stress intensity factor of the crack tip.

基于有限元分析方法，对有限大平板中存在的中心穿透裂纹，分别用不同的方法分析其裂纹尖端应力、应变场分布，计算出裂纹尖端的应力强度因子。

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Evaluation of micro-behavior of strain field in Chinese mainland with the GPS time series

用GPS时间序列获取中国大陆微动态应变场

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They are analyzed that the distribution rules of the displacement field and strain field of a pile foundation. The causations of the mutation of the displacement in the area of a pile tip are given out.

分析了单桩桩基位移场和应变场的分布特点，对单桩桩基底部区域竖向位移突变的成因进行了分析；

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The ultimate loading of the thick-wall cylinder based on unified plane-strain slip line field theory

用统一平面应变滑移线场理论求解厚壁圆筒的极限荷载

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It reflected results superimposed by both additional stress field and tectonic strain field.

反映了抽水附加应力场与构造应变场的叠加结果。

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By using thermodynamic couple method the temperature field and stress and strain field in solidification process for squeeze casting ZA alloy are analysed.

用热力耦合方法分析了锌铝合金挤压铸造凝固过程中的温度场以及由此产生的应力、应变场。

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The strain field ahead of a stationary crack tip with plane stress deformation in ductile metal was measured with SEM, by micro grid method and digital image processing.

用显微网格数字图系处理方法，测量了韧性材料平面应力条件下互型单边裂纹尖端附近的应变场。

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The principal strain field of the PHIL is divided into the eastern and western areas by the central tectonic line.

板块的中央构造线把板块的主应变场分为东、西两个区。

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Research on method for entire calculation of GPS strain field by using spherical harmonic function

用球谐函数整体解算GPS应变场方法研究柱谐[圆柱，调和]函数

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Variations of induced magnetic anisotropy, magnetostriction and strain in a metallic glass with annealing under field and tension

金属玻璃在磁场张力退火时感生磁向各异性、磁致伸缩和应变的变化

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The stress field, strain field and thickness distribution of the oil pans during forming process were calculated.

对发动机油底壳在冲压成形过程的应力、应变及厚度分布进行了数值模拟。

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In this paper, based on the platform of ANSYS software, the method of multi-field coupling is used to analyze the thermodynamic characteristics of the valve. From the simulation results, the temperature distribution, thermal strain and thermal stress inside the valve body are obtained.

本文采用热流固多场耦合的方法，基于ANSYS有限元软件，进行高温阀热力学特性的仿真分析，得到了高温阀稳定工作时，阀体内部的温度场、热应变场及热应力场分布规律。

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Simulation of the distribution of temperature field, stress field and strain field during LFW;

有限元热力耦合方法模拟方型钛合金试件线性摩擦焊接过程中的温度场、应力场和应变场的分布特征；

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Study on the characteristics of rock failure strain and acoustic emission field for two parallelling faults with the same slip direction including asperities

含障碍体滑动方向相同平行断层失稳破坏应变场、声发射分布特征的研究

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The deformation process of heavy rail at 800-I pass has been simulated using nonlinear finite-element software MARC/ AutoForge by three dimensional thermo-mechanical coupled elastoplastic finite element method ( FEM), and the equivalent stress and strain field, temperature field and rolling force of rolling billet were analyzed.

采用非线性有限元软件Marc Autoforge，通过三维弹塑性热力耦合的有限元方法模拟了重轨800I孔的变形过程，分析了轧件上等效应力、应变场、温度场和轧制力。

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The results found that: ( 1) the transverse corner field resulting from the uneven geometrical width of YBT model leads to the non-uniform spreads and distributions of the active lengthwise tensile stress, the stretchy strain and the passive transverse pressure stress in the principal axis;

由此得出：①YBT模型几何宽度不均匀所形成的横向角部区域，导致了主动型的纵向主轴拉应力和主轴伸长应变以及被动型的横向主轴压应力的不均匀传播与分布；

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We use a finite element method to study evolution of theoretical displacement, stress and strain field with a growing displacement applied at the remote plate ends, when fault slip and frictional stress are not given in advance but are determined in the solving process.

使用有限元素法研究了理论位移场、应力场和应变场随远场位移的演变情况。此时，断层位移和磨擦应力并不是预先给定而是在求解过程中同时确定的。

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Some correlated and widespread pulse like transient variations in self potential and strain field appeared at some special situations, including sudden loading/ unloading, stick slip and fracture of rocks.

结果表明，在突然加卸载、黏滑和岩样破裂几种特定情况下，自电位和应变场均出现了互相关联的脉冲状突然变化，且具有相当大的空间展布。

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As an example of this method, the horizontal and vertical displacement field and the tilt and strain field due to vertical strike faulting are calculated.

作为该方法的应用实例。本文对直立走向滑动断层的水平、垂直位移场及倾斜、应变场进行了模拟计算。

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A three dimensional finite element analysis on the structure of 4 tilting pad bridge bearing load cell in large turbine generator sets has been made. The influence of boundary condition on the stress or strain field of sensor is studied.

对大型汽轮发电机组四可倾瓦轴承双剪桥式负荷传感器结构进行了三维有限元分析，研究了不同边界条件对传感器结构应力（应变）场的影响。

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The kinematically admissible velocity field and strain rate field extension forging of rounds have been established.

建立了圆坯拔长锻造的运动许可速度场与应变速率场.

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The principal strain parameters of current strain field in epicenter area corresponding to 4 Ms ≥ 7 earthquakes, which was Xingtai, Bohai, Haicheng and Tangshan earthquake, are calculated with the GPS data observed in North China GPS network in past decade.

根据近十多年来华北地区GPS网的观测资料，分别计算了邢台、渤海、海城和唐山4次Ms7级以上大地震震中区现今应变场的主应变参数。

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The author thinks that the sliding process is a mechnical process and investigating the state of strain field is an important approach to slide prediction.

笔者认为，滑坡过程是一个力学过程，研究应变场状态是滑坡预报的一个重要途径。

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Analysis of Strain Field Near Stagnation Point in Explosive Welding

爆炸焊驻点近区应变场分析

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The corn in the field has good seed strain . It can yield 850 kg per mu.

这片玉米地种的都是优良品种,亩产能达到850斤!

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This paper started a preliminary study to thermal deformation of MEMS pressure sensor by making use of digital image correlation technology, measured the thermal deformation and strain field of the surface of MEMS sensor.

利用数字图像技术对MEMS压力传感器的热变形进行了初步研究，测量了MEMS传感器表面的热变形场和应变场。

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