shifting operator是什么意思

用法例句

Analysis of Viscoelastic Displacement for Finite Element Based on Maxwell Model;

基于Maxwell模型的有限元粘弹性位移分析

Variation rule of displacement and stress of expandable-profile liners during expanding process for leak plugging in oil-gas wells;

油气井堵漏波纹管加压膨胀过程中位移-应力变化规律

A artificial neural network model on relationship between slope displacements and time;

边坡位移时间关系模拟的人工神经网络模型

Stress and deformation analysis of freeway deep cutting slope by finite element method;

高速公路深路堑边坡应力及位移的有限元分析

Four kinds of statistical models used in monitoring data analysis of pendulum wire deformation;

大坝垂线位移监测资料分析的4种统计模型

Based on the geological environment investigation,rock-mechanics experiments and in-situ stress measurement,numerical simulation on the stress,deformation and failure distribution and varying regularities of slope rockmass is carried out during the excavation of Ⅳ engineering geological district in Shuichang iron mine.

本文在地质环境资料调研、岩石力学试验和地应力测量等工作的基础上,以Mohr-Coulomb屈服准则为力学模型,采用FLAC3D三维有限差分方法,对首钢水厂铁矿Ⅳ工程地质区开挖过程中边坡岩体应力场、位移场、破坏场进行了数值模拟计算,并对模拟结果进行了系统分析,以指导矿山安全开采。

We propose a twodimensional analysis method in regional walls of left ventricular by using tagged MR images to obtain displacements.

用磁共振技术在整个心动周期对健康人左心室壁上的点进行追踪,从而对左心室壁各领域的位移进行有限元解析,为定量、准确地评价心功能提供必要的依据。

Through regression analysis based on a large amount of data, it establishes the relations between the stress of the frozen-wall and time, between the displacements of frozen-wall, the floor-heave and the section height as well as time.

通过对大量数值计算的数据进行回归分析后,得出了冻结壁应力场与时间的关系,冻结壁位移场和工作面底鼓与段高、时间的关系,并且对工程实际施工提出了相应的建议。

The displacements and internal forces of the jointed ductile pipeline are obtained based on the Singhals study.

本文在Singhal研究的基础上 ,充分考虑基坑围护结构、土体和地下管线变形耦合作用 ,运用三维有限元法 ,求解了受基坑开挖导致的柔性地下管线位移和内力 ,为基坑环境工程研究提供了一定理论依据和实践指导作用。

Theory of earth pressure against rigid retaining walls considering translational movement effect;

考虑平动位移效应的刚性挡土墙土压力理论

A new concept, degree of crack movement, was given to evaluate the caving characteristic of top coal.

通过综合运用顶煤实测位移观测、力学模型和理论分析方法 ,研究了顶煤内部裂隙的发展进程 ,提出了评价顶煤可放性的指标——裂移度及其在不同条件下的变化规律 ,并从强度等方面对顶煤可放性进行了分析 ,提出了改进顶煤可放性的原理和方法 。

The rectangular expansion joints formulae of force,moment,equivalent axial movement and spring rate etc under load of axial,lateral and angular movements respectively are deduced.

推导出了矩形膨胀节在轴向、横向、角向位移下产生的力、力矩、当量轴向位移以及刚度等公式，还对ＥＪＭＡ标准矩形膨胀节的刚度公式及力矩公式作了补充和修正。

The Application of Grating Sensor in the Shift Automatic Measurement System;

光栅传感器在位移自动测量系统中的应用

The analyses of the stress and shift of tube plate and edge of manhole of boiler;

热水锅炉管板及人孔周边应力位移分析

Raster sensing intelligent shift measurement system;

光栅传感智能位移测量系统