The damage is less than 1 for all loading paths with the linear damage rule.
依据线性损伤律各加载路径下失效时的损伤值均小于1。
In addition, a linear damage summation method is chosen to predict creep fatigue lifetime.
此外,利用线性累积损伤法则对蠕变-疲劳寿命进行了预测。
Therefore, the study of non-linear dynamic damage in important structures or great dam structures has a great important meaning not only in the academic but also in the practical engineering.
因此,对重要建筑物或大坝结构的非线性动力损伤问题进行研究不仅具有重要的学术意义也具有非常重要的实际工程意义。
The experimental results showed that weld metal had enough plastic deformation capacity, and its damage value was linear with the cumulative plastic strain.
试验结果表明,焊缝金属具有比较好的塑性变形能力,焊缝的损伤值与材料的累积塑性应变呈线性关系。
At the same time it is a non-equilibrium process, linear approximation can't describe it properly, a strong dependence of damage on stress must be taken on.
同时也是一个强烈非平衡过程,线性近似不能很好地描述它,必须采用更强烈的损伤对于应力的依赖关系。
From the curves we can see that most of the experiment results are above the linear cumulative damage curve, it indicates that the steel P91 is negative interaction under the condition of this thesis.
由该图可以看出,绝大多数试验点落在线性累积损伤线上侧,表明在本文试验条件下,P91钢母材和焊材蠕变疲劳交互作用均表现为负交互作用。
The enhanced damage was summarized for bipolar devices and bipolar linear circuits in the radiation environment of low dose rate. It could cause the early failure of systems.
综述双极器件和双极线性电路在低剂量率辐射环境下的增强损伤,它可引起系统的早期失效。
Under the same frequency and same sound pressure level, the infrasound damage on the brain didn't show linear correlation with the acting time of infrasound.
在相同的频率和声压级水平下,次声的损伤作用与次声的暴露时间并非呈线性关系。
The results show that the cumulative damage of propellants under the different stress levels agrees with linear rule.
结果表明,在不同应力水平下,推进剂的累积损伤基本符合线性累积损伤规律。
Thus, a nonlinear viscoelastic constitutive relation for cement mortar based on standard linear solid model considering the evolution of the damage internal variable is established accordingly.
据此,在标准线性固体模型的基础上,考虑损伤内变量的演化,建立了应变率相关的水泥砂浆的非线性黏弹性损伤模型。
According to the linear cumulative damage theory, a method for estimating life for welding structure of farm machinery acted under load spectrum is given.
本文根据线性累积损伤理论,给出了农机焊接件在谱载荷作用下的寿命估算方法。
Damage state: when in the installation and removal of such use to the raceway and the rolling surface wounds caused by the axial linear.
损伤状态:当在安装和使用这种搬迁到滚道和滚动表面轴向线性造成的创伤。
But the common linear fatigue damage cumulative rule neglects the fatigue damage which is brought by the high frequency and low stress.
一般的线性损伤累积理论忽略了高频率低疲劳应力所引起的构件疲劳损伤,致使预测结果与实际寿命相差很大。
Research on the linear method for damage detection.
多位置损伤诊断的线性损伤诊断方法研究。
The linear fatigue of the jacket structure was evaluated by using wave spectrum analysis theory and theory of linear cumulative damage.
采用随机波浪谱和线性疲劳累积损伤理论对导管架式海洋平台在波浪荷载作用下的疲劳可靠性进行研究。
It induces minimal, if any, damage to the cell under study because it can generate much less linear absorption and heat than CW lasers.
它对于细胞的伤害很小,因为它的线性吸收和热效应远远低于连续光。
The difference is not yet considered in present pavement design. Different axle load causes different pavement damage, and the damage is not linear with the magnitude of axle load.
轴载不同对路面造成的损害也不同,而这种损害与轴载的大小呈非线性关系,现有的轴载换算公式不能解决这一问题。
Using this method, the structural damage can be directly identified due to the linear relationship between the elements of flexibility matrix and the parameters of structural members.
对于悬臂结构,其柔度与其结构参数间的线性关系,直接建立模态与结构损伤参数之间的关系,通过解矩阵方程识别损伤参数。
The results showed that if combined cyclic waves were with decomposed certain methods, the fatigue life can be accurately predicted by using the linear accumulative damage rule;
结果表明,如按一定方式分解复合循环波形,则利用线性累积损伤规律能较准确地预测复合循环疲劳寿命;
The experiment results show that there is linear relationship between the solder joint creep damage and its resistance changes.
研究表明,焊点的蠕变损伤与其电阻变化存在着线性关系。
A new non-linear accumulate damage model was derived from the concept of equal failure probabilities under different stress levels.
以不同应力水平下的破坏率相等进行损伤等效转换出发,建立了新的非线性累积损伤模型。
The theoretical and experimental results show that the Damage variable is linear with equivalent strain and it is affected remarkably by the triaxiality stress ratio.
理论分析与实验结果表明,损伤变量与相当应变呈线性关系,并且其值受应力三轴变的显著影响。
Based on the double control damage criterion and index of the linear function of the maximum deformation and cumulative hysteretic energy, the collapse of the SDOF structures is analysed.
基于最大变形和累积耗能线性组合的双重破坏准则及破坏指标,对单自由度结构进行了倒塌分析。
The effect of vacuum thermal cycles on the linear expansion coefficient profile was analyzed using a proposed two-dimensional model of micro-damage.
通过所建二维细观损伤模型分析了真空热循环次数对材料线膨胀系数曲线影响的原因。
We consider robust controller design problem of a class of linear systems for actuator and control surface damage, we presented tolerant robust controller design method.
对执行器故障和控制面故障情况,提出了容错的鲁棒控制器的设计方法。
A linear elastic damage model based on finite element method at mesoscopic level was applied to investigate the three-dimensional failure process of rock subjected to various stress loadings.
采用细观弹性损伤模型和有限元计算方法实现岩石三维破裂过程的数值模拟。
Found non-linear fatigue damage equation and fatigue failure criterion of concrete under variable amplitude load, and analyze the influence of loading sequence on total fatigue life;
建立了混凝土非线性疲劳损伤方程和变幅荷载下的疲劳破坏准则,分析了加载次序效应对总疲劳寿命的影响;
By the linear relationship between newly introduced variable AD and BD, wellbore storage coefficient (c) has been reached, meanwhile, wellbore 's damage coefficient (s) has been given.
由新引进的变量ad和BD之间的直线关系,求出了井筒存储系数C值。同时,给出了井筒污染系数S值。
By the linear relationship between newly introduced variable AD and BD, wellbore storage coefficient (c) has been reached, meanwhile, wellbore 's damage coefficient (s) has been given.
由新引进的变量ad和BD之间的直线关系,求出了井筒存储系数C值。同时,给出了井筒污染系数S值。
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