The dynamic response of vitreous carbon to uniaxial strain loading has been investigated by means of the plate impact experiments.
研究了非晶态碳材料板碰撞下的一维应变动态响应。
The results showed that the characteristics of cyclic hardening or softening depend to the strain loading paths and the loading parameters.
研究结果表明,低周拉扭疲劳加载下,拉与扭应力响应的硬化与软化特性取决于应变加载路径和加载参数。
The probability density function of partial strain loading of product is defined in accordance with the relevant theory of random vibration test.
根据随机振动试验的有关理论,确定产品局部应变载荷的概率密度函数。
MD simulations are carried out to study spallation in solid and liquid copper incuded by planar shock loading at exteme strain rates.
本文借助分子动力学模拟研究了极高应变率下固体铜和液体铜由平面冲击导致的断裂。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
累积塑性应变能随着加载频率及应力水平的增加而增加,与疲劳寿命在半对数坐标下呈线性关系。
Based on the plastic flow theory of soils, an elastoplastic constitutive model for describing the stress-strain behavior of the saturated sands under the action of monotonic loading is developed.
利用土体的塑性流动理论,提出了用于描述饱和砂土在单调荷载作用下的应力—应变反应性质的弹塑性本构模型。
The research results show martensite transformation stress decreases with an increase in cycle due to the residual strain during full cyclic loading.
研究表明在完全循环加载过程中,由于残余应变的存在,马氏体相变应力随循环增加而减小。
It is shown that the change of loading strain path will affect the forming limit curve.
试验结果表明:加载应变路径的变化会影响成形极限曲线的高低。
By the testing of single pile loading experiment and integrity of low strain pile, the construction reached a satisfied result.
经单桩载荷试验和低应变桩身完整性检测,施工达到了令人满意的效果。
The uniaxial time-dependent strain cyclic characteristics and ratcheting behavior of SS304 stainless steel were studied by cyclic loading experiments at room temperature.
对SS304不锈钢在室温单轴循环加载下的时相关棘轮行为和时相关应变循环特性进行了实验研究。
Moreover, this paper analyses the shear strain and compressive stress and loading frequency dependence of the damping ratio.
另外,对叠层橡胶支座的阻尼比随剪应变、压应力及荷载频率的变化情况进行了分析。
In numerical computation by the finite element method it is also convenient to use the loading-unloading criteria and the constitutive equations formulated in strain space.
在有限元方法的数值计算中使用应变空间表述的加-卸载准则和本构方程也是很方便的。
Research results demonstrate that the 10t fast loading equipment is applicable to study on dynamic mechanical properties of soft rocks under medium strain rate.
实验结果表明:10吨快速加载机适用于软岩在中等应变速率下的动态力学性质的研究。
To objectively describe the behavior of confined concrete under high strain rates the loading history has to be taken into account.
客观描述高应变率作用下的约束混凝土的力学行为需要考虑加载历史。
The tests prove that saturated soils are a kind of strain hardened media and stress wave will maintain shock wave characteristic invariant during shock wave dynamic loading.
试验证明,饱和土属于应变硬化介质,在激波动力加载条件下,土中应力波将保持其激波特征不变。
The experimental results present that the strain of optic fiber Fabry-Perot sensor is better linear with loading of bending beam.
智能夹层中光纤法珀腔传感器的应变与载荷之间具有良好的线性关系。
The testing purpose, model design principle, testing case, loading program, strain and arrangement of deformation test point of the special-shaped arch bridge test model are introduced in detail.
介绍了该桥模型试验的目的、模型设计原则、测试工况、加载方案以及应变和变形测点布置情况等,给出了几个主要荷载工况下模型试验的主要结果。
By using recent 1066a earth model, we have recalculated the loading love Numbers and obtained loading Green's functions for gravity, tilt and strain.
利用较新的1066a地球模型,对负荷勒夫数进行了重新推算,并依据负荷勒夫数组成重力、倾斜、应变及位移格林函数。
This paper has compared the advantage and disadvantage of the constant displacement method, constant loading method and slow strain rate method on researching the stress corrosion.
比较了恒位移法、恒载荷法和慢应变速率法研究应力腐蚀时的优缺点。
A method, the equivalent loading method based on inherent strain, to predict welding deformations of structures accurately is presented in this paper.
文章提供了准确预测焊接变形的固有应变等效载荷法。
The shortness of creep loading time and the faster frequency of fatigue load change induce general elastic strain stage to end and delayed elastic strain platform stage to begin under shorter strain.
因蠕变加载作用时间缩短和疲劳载荷变化更频繁,导致在较小的应变下结束普弹应变阶段并进入延迟弹性变形的平台应变阶段。
The compressive properties of saturated and dry concretes including strength, elastic modulus and peak strain under different loading rates are studied by experiments.
在准静态及中低加载速率下,开展了饱和与干燥混凝土力学性能变化的试验研究。
The strain_stress variation measuring experiments of steel_cable_stayed bridge model under loading condition were done by using fiber optic strain sensing instrument.
采用光纤应变测量仪对桥梁钢索的应力应变在载荷情况下的变化进行了实验研究。
In this thesis, the stress intensity factors of top-down cracks caused by loading are calculated using three dimensional finite element model and compared to the results of plane strain model.
本文采用三维有限元模型分析了荷载作用下自上而下裂缝尖端的应力强度因子,并与二维平面应变模型分析的结果进行比较。
The experimental results showed that the dynamic strain has feature of cyclic creep. Cyclic loading affected the creep and creep speed.
结果显示动态应变呈循环蠕变状态,蠕变的大小、速度与循环应力幅值有关。
This approach can be used in both loading and unloading conditions, as well as in plastic and strain-hardening ranges.
该方法分别考虑了加载与卸载,及材料处于塑性段与强化段等情况。
On the basis of test under loading statically about static strain, opposite deformation to sedimentation of foundation on the actual project, further mechanics analysis of CSBCS was done.
通过现场静载试验,从结构的静态应变,相对变形,基础沉降等多个指标方面,对波纹钢板桥涵的力学性能进行了深入分析。
Test results demonstrated that digital image correlation method was effective, which could precisely measure the displacement and strain distribution in concrete under fatigue loading.
试验结果表明,数字图像相关方法具有可行性,能够有效地测量混凝土在疲劳荷载作用下的位移和应变。
The absorbed energy property and deformation characteristic of magnesium alloy under high strain rate loading are described.
介绍了高应变率载荷条件下镁合金的吸能特性及变形特征;
The absorbed energy property and deformation characteristic of magnesium alloy under high strain rate loading are described.
介绍了高应变率载荷条件下镁合金的吸能特性及变形特征;
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