It is pointed out that bulging strain is consisted of not only instaneous elastic strain, but also creep strain which changes with time. 指出鼓肚变形不仅有瞬时弹性变形,而且还有随时间变化的蠕变变形。
The calibration procedure to determine the restrained shrinkage and the mathematical models to quantify the tensile stress, elastic strain and tensile creep are expounded. 文中论述了混凝土约束收缩的测量方法和自生拉应力、弹性应变和徐变的量化的数学计算方法。
The measured strain of concrete includes the elastic strain, creep strain and also the non-stress strain like the concrete free deformation and temperature strain. 混凝土实测应变包含弹性应变、徐变应变及混凝土自由变形、温度应变等非应力应变。
For ihis rheological fracture problem we solved the changes of stress, stain and elastic strain energy fields. 把介质考虑成流变的,用有限元法结合解析方法求解了流变断裂力学问题的应力、应变及能量场的时空变化。
Fatigue damage calculated with small crack size and ratio of plastic strain range to elastic strain range 用小裂纹尺寸与塑性应变范围同弹性应变范围的比值计算材料的疲劳损伤
Moreover, we apply this representation formulas to derive new tensorial expressions for Hill& Seth's elastic strain. 另外,本论文还讨论了Hill&Seth型弹性应变的一般表达式。
The elastic wave is induced by releasing the elastic strain energy after forming the first martensites. 初生马氏体的形成可诱发储存于晶体内的弹性能的释放,以弹性波的形式在晶体中传播。
At the same time, the elastic strain field of NbC precipition improved the reversibility of stress induced ε martensite. 同时NbC析出导致的弹性应变场提高了应力诱发ε马氏体逆转变的可逆性。
This paper inoduces a method using elastic strain leaf and grating detection technology to solve the problem. 本文介绍一种利用自制弹性变形片及光栅检测技术来解决摩托车刹车制动器夹紧力的测量问题。
The stress and the elastic strain are related by a nonlocal linear relation, and the plastic strain is dependent on the history of total strain. 在这个模型中,应力与弹性应变之间为非局部线性关系,而塑性应变与总应变历史相联系。
Vibration times hardly have effect on the changing of the elastic strain in the condition of the dynamic stress. 在动应力条件下,振次几乎对动应变中的弹性应变的变化没有影响。
In theoretical investigations, elastic strain energy method, fiber inclination model, three cells model and finite element model etc. are introduced. 在理论研究方面,介绍了弹性应变能法、纤维倾斜模型、三细胞模型和有限元模型等工作。
The measurable concrete strain includes the free deformation strain, the creep strain and the temperature strain besides the elastic strain. This paper introduces the methods and steps of indirect stress measurement of pre-stress concrete continuous bridge. 混凝土实测应变除弹性应变外还包含混凝土的自由变形、徐变和温度应变等非应力应变,介绍了预应力混凝土连续刚构桥中应力间接测量的方法和步骤。
On the basis of the experimental results and theoretical analysis, a damage formula about the difference of plastic strain and elastic strain is put forward. The life prediction results with this formula are compared to those with other five formulas. 基于实验结果和理论分析,提出了一个考虑弹塑性应变幅比重不同的损伤公式,并与其它五种损伤公式寿命预测的结果做了比较。
During the transient creep after stress decrease, it has been found that the total strain transient consists of two components, elastic strain and anelastic strain. 当外加应力突然降低后,在瞬时蠕变过程中发生了弹性应变和滞弹性应变,整个降载过程中的应变变化值与应力变化值成线性关系。
In this formulation, all displacement parameters are defined at centroid axis so that the couple terms of bending and torsion are added to elastic strain energy. 所有位移参数定义于截面形心以便在弹性应变能中包括弯扭耦合项。
M1 and M2 are two different martensite variants with diverse elastic strain energy and lattice distortions, which transformation to austenite at different temperatures. M1和M2是马氏体的两种变体,有着不同的取向结构和弹性应变能,使得M1和M2在不同的温度下转变成奥氏体。
A systematic investigation is made on the influence of the longitudinal and transverse period distributions of quantum dots on the elastic strain field. 对量子点超晶格材料中量子点纵向周期和同层量子点的横向周期间距对量子点及其周围应变场分布的影响进行了系统的研究。
This is due to the relaxation, through twinning, of the elastic strain energy accumulated around the Cu particles during their growth. 这是因为在长大过程中,Cu颗粒通过孪生过程缓解了由于共格关系而产生的弹性应变能。
The total deformation of soils consists of three parts: elastic strain, the plastic strain related to the volumetric yielding mechanism and the plastic strain related to the shear yielding mechanism. 土体总的变形由3个部分组成:弹性应变、与体积屈服机制相关的塑性应变和与剪切屈服机制相关的塑性应变。
More results were found by experiment that the entrance angle of die has different Bagley end correction and recoverable elastic strain on different experimental materials. 通过实验研究进一步发现,不同的口模入口角对实验材料表现出不同的Bagley校正因子和可回复弹性应变。
The elastic strain only affected the anodic dissolution process of metal and had no effect on the cathodic process. 弹性应变只影响金属阳极溶解过程,而不影响阴极过程。
Firstly, the specific internal energy is decomposed into the elastic compression energy and elastic deformation energy, and the latter is represented by an expansion to third-order terms in elastic strain and entropy, including the coupling effect of heat and mechanical energy. 首先,将比内能分解成弹性压缩能和弹性形变能,而将形变能作为弹性应变和熵的函数展开到三阶项,其中考虑了热与机械能的耦合效应。
The elastic strain, plastic strain and fracturing are integrated and coupled with fluid and chemistry using an incremental stress rheological approach. 采用递增应力流变学方法将弹性、塑性、断裂变形结合并与流体和化学耦合起来。
At the beginning of loading, the main deformation was plastic. With the increasing of load and total strain, the proportion of plastic strain in total strain gradually decreased, while the proportions of elastic strain and elastoplastic coupling strain increased. 加载初期,泥质板岩以塑性变形为主,随着加载和总应变的增大,塑性应变在总应变中所占的比重逐渐降低,而弹性应变和弹塑性耦合应变的比重却在增大。
Through the analysis of cyclic loading and unloading stress-strain curve, plastic strain, elastic strain and elastoplastic coupling strain were separated from the total strain. 通过对循环加卸载应力应变曲线的分析,将塑性应变、弹性应变和弹塑性耦合应变从总应变中分离出来。
To study the influence of the elastic strain field due to different edge dislocation group on solute precipitation. Revealed the morphology characteristic and the diffusion law of the solute precipitation reasonably. 本文建立了浓度场与弹性应变场相互作用的自由能函数,用于研究位错不同组态的应力场对溶质析出的影响,合理地揭示了溶质析出的形貌特征及扩散规律。
This conclusion is then extended to the electromechanical stability analysis of ideal elastomers based on elastic strain energy functions with multiple material constants. 并把这种方法推广到应用多个材料常数弹性能的理想介电弹性体机电稳定性分析中。
Based on the finite element simulation data, the die swell rate and recoverable elastic strain were calculated. 对有限元模拟的数据结果进行再处理,计算了挤出胀大率和可恢复弹性形变。
At the same time, the deflection is not used to control elastic strain and plastic strain of the subgrade. 同时弯沉也不能用来作为控制土基弹性或塑性变形的设计指标,继续采用弯沉作为设计指标是不太合理的。