现场实验结果显示FBG应变管的测量结果与测斜仪的测量结果非常吻合。
According to field trials, measurement results of FBG strain tube are mostly agreeable with these of declinometer.
采用塑性增量理论，建立了波纹管液压胀形的应力、应变数值计算方法，解决了波纹管液压胀形工艺的理论计算问题。
By plasticity increment theory, the stress strain numerical calculate methods of bellows bulge forming, solvers theory calculating problems of bellows bulge forming technology are put forward.
得到了不同直径和手性角情况下碳纳米管缺陷形核和断裂的临界应变。
The critical strains of defect formation and fracture occurrence of CNTs with different diameters and chiral angles were obtained.
随着棘轮应变的产生，直管圆截面变为椭圆截面。
Thecircular cross section turns into ellipse as the ratcheting strain accumulates.
主要利用ANSYS软件对屏蔽泵密封垫的应力进行分析，计算出压力容器管板的最大应力和应变。
The stress for sealing washer of canned motor pump is analyzed by ANSYS software, and the maximum stress and strain of tubular sheet of press container are calculated.
采用该方法不仅可以分析弯管成形过程瞬时应变状态及其演化过程，而且可以分析弯管成形过程变形特点。
Adopting this method not only can analyze instantaneous strain condition and evolution during tube bending, but also can analyze deforming feature.
然后通过总势能与相应薄圆柱壳的应变能比较，推导出了单壁碳纳米管杨氏模量的计算公式。
The computing formulae of the Young's moduli of SWCNT are obtained by comparing the total molecular potential energy of a SWCNT with the strain energy of a corresponding cylindrical thin shell.
分别比较了轴向压缩胀形和复合胀形中管件支管顶部双向拉应力、应变以及支管高度等指标的变化。
The variation of two-way tensile stress, strain distribution and branch height in the axial compressive bulging and compound bulging were compared respectively.
利用有限元法证实了内高压成形三通管的可行性，给出了不同轴向进给速度下零件的壁厚及应变分布，并就轴向进给速度对成形的影响进行了分析。
The feasibility of hydroforming tri-branch tube is proved by FEM. The corresponding thickness and strain distribution of different axial feed velocity on the simulation is analyzed.
采用电阻应变测量技术研究了带有初始随圆度的弯管在纯内压作用下的应力分布。
The stress distribution of a curved pipe with an initial elliptic cross section under internal pressure was studied by using electric resistance strain method.
作为实例，我们定量分析了扩张和收缩管中的剪应变率分布。
As a practical application, the strain rate analyses of flow in a diverging vessel and a converging vessel have been made at the end of this paper.
把滴形管的强度分析问题分解为：沿管轴线方向的压力问题与管沿周线方向均布压力的平面应变问题的叠加。
The strength analysis of a drop-shaped tube is resolved into the following problem: axial compression together with a plane state of strain with uniform internal pressure.
利用碳纳米管传感网络来监测结构应变损伤是不同碳纳米管传感的核心原理。
This paper also focuses on the analysis of the common core principle of carbon nanotubes sensing, namely using carbon nanotubes sensing network to monitor structural strain injury.
本文主要讨论了在材料线性应变硬化效应的情况下，自紧管应力与强度的计算公式的推导。
Considering the linear strain-hardening effect of materials, this paper proposes a computation method for the stresses and strength of autofrettaged cylinders.
然而，应变率对纳米管的弹性变形没有影响。
However, the elastic deformation behavior of nanotubes is not affected by the strain rate.
测试结果显示，加载过程中应力变化均呈线性，且卸载后主要支管端部变形以及各测点应变均能够恢复初始值。
The test results indicate that the stress variation is linear, and the deformation of each measuring point can reset initial value after unloading.
用电阻应变片法测试了管棒材拉拔、矫直和退火过程中产品表面残余应力，研究了管棒材残余应力随工艺参数变化的规律。
The surface residual stress of tube and bar after drawing straightening and annealing, under different processing conditions, were measured by means of resistance strain gauge.
文中介绍了管内海水冻结过程、海水过冷温度、结冰水温、轴向冻胀力以及管体应变测量结果。
This paper expounds the test results of the freezing Process of sea water, the excessive cold temperature of sea water, the frozen water temperature, sea water frost heaving force and the tube strain.
在压力容器管板的设计过程中，利用ANSYS软件对压力容器管板的应力进行分析，计算出压力容器管板的最大应力和应变，从而为压力容器结构的优化设计提供了充分的理论依据。
In designing the pressure container tube plate ANSYS software is used to analyze the stress of pressure container tube plate in this paper, and the maximum stress and displaced shape are showed.
通过计算分析，得到U形波纹管应力应变的变化与设计参数之间的关系。
By calculation and analysis, find out the relationship between the change of stress and strain and design parameters of U-shaped bellows.
发现纳米管的压缩强度，如临界轴向内力在低温下受温度影响明显，并且和应变率的大小有关。
It was revealed that the compressive strength of nanotubes, such as the critical axial load, is related to applied strain rate and also affected by temperature especially by lower temperature.
对钢丝缠绕增强塑料复合管应变、剥离强度、临界失稳压力、不同温度下的失效形式等进行了试验研究。
Strain, peel strength, critical buckling pressure and failure mode under various temperatures of PSP were investigated using experiments.
本文对玻璃纤维缠绕管在高应变控制下的应力松弛特性进行了实验分析，给出了其非线性松弛的理论公式。
In this paper, the experiments with high strain were conducted to analyze the relaxation behavior for the fiber glass winding pipe. The nonlinear relaxation formula was given.
水平支护锚管里端部应变均非零值点，这是复合土钉支护锚固作用存在性的证明。
The strain of the inner ends of all horizontal anchor-pipe is not zero. This has testified the presence of the reinforcement effect on composite soil-nailed support.
现浇薄壁管桩低应变检测时，存在桩头三维效应以及平截面假定的适应性问题。
The three-dimensional effects of pile head and applicability of plane-section assumption are main problems in low strain dynamic tests on cast-in-situ concrete thin-wall pipe piles.
要解决这个问题，需采用适应变经管道的清管技术。
To solve this problem, it is necessary to use such pigging technology that is suitable for the vari-sized pipeline.
当弯曲试板上的最大应变等于波纹管的最大局部应变时，板的弯曲疲劳试验寿命即可代替波纹管的试验寿命。
The fatigue test of the bellows expansion joints is replaced by the bent fatigue test of plates when the maximum strain of bent test plates equals to the local strain of bellows expansion joints.
管桩低应变检测时，平截面假定并不满足，应力波的传播不能简单地用一维波动方程描述。
The plane-section assumption was not congruous in low strain dynamic tests on pipe piles, so the propagation of stress wave couldn't be expressed by 1D wave equation.
管桩低应变检测时，平截面假定并不满足，应力波的传播不能简单地用一维波动方程描述。
The plane-section assumption was not congruous in low strain dynamic tests on pipe piles, so the propagation of stress wave couldn't be expressed by 1D wave equation.
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