工程应变

  • 网络Engineering strain
工程应变工程应变
  1. 由工程应变推导出几何非线性的切线刚度矩阵,并给出判断分歧点与极限点的准则,最后用一数值例题说明该方法的分析过程。

    The tangent stiffness matrix is obtained from the engineering strain and the principle for determining the limit point and bifurcation point is given .

  2. 基于工程应变的轴对称塑性大变形几何方程及其应用

    The Geometric Equation for Axial Symmetry Large Plastic Deformation Based on Engineering strain and Its Application

  3. 同时从工程应变的定义出发,采用Taylor级数展开的方法,建立了单元的五阶近似正应变表达式;

    According to the definition of Green strain , the expression of normal strain of element was constituted using the method of expanding Taylor series .

  4. 随着制造业的高速发展,采用工程应变比例软尺或者工具显微镜的手工应变测量方法在板料成形性能分析中逐渐暴露出测量效率低、精度差等弊端。

    With high speed development in manufacturing , the traditional manual strain measurement methods which used mylar tape and tool microscope have gradually exposed some disadvantages such as low efficiency and poor accuracy in most sheet metal stamping situations .

  5. 建立了锤头在冲击过程中任一瞬时变形长度和非变形长度的数学模型,找到了工程应变和冲击速度之间的曲线对于塑性大变形的突变点及影响落锤变形的各个因素和控制变形的依据。

    The factors influencing the deformation of hammer have been found out and the strategies for the control of the deformation are discussed . The plastic big deformation mutation point of curve have been found out between engineering strain and impact speed .

  6. SiGe技术将能带工程和应变工程引入了Si器件和集成电路。

    The major advantage of SiGe technology is that energy band engineering and strain engineering have been introduced into Si device and IC .

  7. 现有的工程结构应变监测系统大多需要在监测结构附近建一个现代化的监测中心。

    Most of existing structural health monitoring system need a modern monitoring center near the structure .

  8. 研究了一种用于大型工程结构应变、变形状态监测的基于光时域反射技术的分布式光纤应变传感系统。

    A distributed optic fiber type strain sensing system based on optical time domain reflectometer and used for monitoring large scale structural strain and deformation state is studied in the paper .

  9. 工程结构光纤应变传感器

    A Fiber Optic Strain Sensor for Engineering Structures

  10. 工程应力应变曲线尺寸效应可以在数值结果中找到佐证。

    The present size effect law for the engineering stress-engineering strain curve is also agreement with earlier numerical results .

  11. 在国防、建筑、冶金、材料等国家重大工程领域,应变式传感器都有较为广泛的应用。

    In the defense , building , metallurgy , materials , and other countries major engineering field , strain sensor has a wide application .

  12. 采用二阶应变梯度塑性理论,得出伸长率、峰值应力后工程应力应变曲线和真应力应变曲线的解析解,结果表明三者均具有尺寸效应。

    Analytical solutions of scale law for the engineering stress-engineering strain curve , true stress-true strain curve and percentage elongation were proposed based on gradient-dependent plasticity .

  13. 分布式应变传感器对大型重要工程结构的应变状态的实时测量具有重要的应用价值。

    The distributed strain sensor has significant application in real time measurement of strain status for large and important engineering structures such as aircraft , bridge and dam .

  14. 目的了解力学因素在骨组织重建过程中的作用,探讨应变对成骨细胞增殖活性及功能状态的影响,为组织工程中研究应变对骨组织重建的影响提供理论依据。

    Objective To study the role of mechanical factor in bone tissue remodeling , and the affecting activities and differentiation of osteoblast after loading mechanical strain , in order to provide the theoretical basis in tissue engineering for study the mechanism of strain in bone remodeling .

  15. 在具体的工程检测中低应变反射波法可作为一种普测方法,钻芯法可作为一种详测方法,2者取长补短,以确保检测结果的准确性。

    In material engineering check and test , low-strain reflected wave method can be used as an ordinary method and drilling core method a detailed one . The two methods learn from others 's strong points to offset one 's weakness in order to insure veracity of the result .

  16. 重点介绍了电阻应变片、差动式应变传感器及光纤(F-P)应变传感器的工作原理,并结合工程实例对电阻应变测试技术及光纤应变测试技术进行了分析研究。

    The operating principle of resistive strain gauge , differential strain generator and optical fiber ( F-P ) strain sensor is introduced in this paper , and analysis research for resistive strain test technique and optical fiber strain test technique is proceeded combining with engineering example .

  17. 地下工程围岩的平面应变实验技术

    Plane-strain model test rig for surrounding rock in underground engineering

  18. 某工程静压桩基高应变动力试验与分析静压桩在工程中的应用

    Analysis and test on stake base under static pressure of high reacting motive force at an engineering

  19. 提出在岩土工程应力-应变分析中建立统一坐标系的建议。

    A suggestion that the coordinate system of stress and strain analysis in geotechnical engineering should be unified is made .

  20. 本文研究混凝土、岩石一类工程中常用的应变软化材料的有限元分析方法。在作者以往有关粘塑性损伤本构模型的工作基础上,给出了一组便于有限元计算的本构方程表达式。

    The present work is aimed at the finite element implementation of the viscoplastic softening damage model for strain softening materials .

  21. 通过比较工程应力-应变曲线和真实应力-应变曲线拟合的结果,分析两种拟合方式的区别。岩土材料真实应力&应变试验关系

    And two fitting method was compared to find the difference . Experimental relationship between authentic stress and strain of rocklike material

  22. 该系统拟用于大桥工程结构的分布应变场实时监测系统中以监测大桥结构的整体安全性。

    The distributed strain measuring system for monitoring and measurement of the deformation and strain of the bridge engineering structure is applied .