本文提出了考虑残余应变刚度下降的复合材料疲劳累积损伤模型。
The research work in this paper is included following: 1, A fatigue model based on the 'Strain Equivalent Hypothesis' is presented.
提出了一个用于计算非对称循环载荷下材料低周疲劳寿命的累积损伤模型和方法。
In this paper, a method of computation for the low-cyclic fatigue life under the action of asymmetrical cyclic load is proposed.
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。
A new non-linear accumulate damage model was derived from the concept of equal failure probabilities under different stress levels.
对数累积损伤模型作为—个失效判据，已在某中口径自动舰炮输弹簧的疲劳寿命预测中得到较满意的应用。
Used as a fatigue failure criterion, application of the model to the fatigue life prediction for the feeding spring of a medium calibre automatic naval gun proved to be comparatively satisfactory.
对用于分析步进应力加速寿命试验的累积损伤模型进行时间变换，保留模型对数据拟合的灵活性的同时简化了数学计算。
The time-transformation of the cumulative exposure model used to analyze step-stress accelerated life testing simplifies the mathematical mode without sacrificing flexibility for fitting data.
介绍了疲劳累积损伤模型，并对不同载荷谱作用下的结构疲劳寿命预测公式进行了理论推导，为后面的计算分析奠定了理论基础。
A cumulation damnification model is introduced. The formulae of structure fatigue lives prediction are deduced to form the basis of the following calculation and analysis.
建立了基于模糊累积损伤的构件疲劳可靠性干涉模型，导出了模糊可靠度评定的一般公式和仿真方法。
Fatigue reliability interference model is established based on fuzzy cumulative damage of components, then general formula and simulation methods of fuzzy reliability estimation are derived.
推荐了一种应变损伤累积模型，能够考虑单向板面内多轴应力和平均应力的影响。
A cumulative damage model is proposed, which can be used to consider the influence of in plane bi-axial stresses and mean stress on the fatigue behavior of unidirectional laminates.
该模型综合了变形、能量累积以及荷载历程对预应力混凝土构件损伤-破坏的影响，对不同的地震模式有更好的适用性。
This model synthesizes the effect of distortion, energy accumulation, and loading history to damage-failure of prestressed concrete member, thus may be applied to different earthquake patterns.
在此基础上，提出了一个描述材料累积损伤的模型。
On this basis, a mathematical model describing the variation of material damage is established.
文中把疲劳损伤分为静拉伸损伤与循环损伤两部分，给出了损伤累积模型。
Fatigue damage is separated into two parts-static tension damage and cyclic damage. With the help of above analysis, a fatigue life estimation model is presented.
业已证明，累积损伤的马尔可夫链模型对累积损伤过程提供了综合的描述。
Markov chain models of cumulative damage have been provided a comprehensive descriptions of cumulative damage processes.
获得了用电阻变化测量疲劳损伤的公式，应用计及疲劳极限和循环应力幅影响的非线性累积疲劳损伤模型，给出了金属材料疲劳损伤的剩余寿命预测公式。
By using the nonlinear cumulative fatigue damage model considering the influence of the fatigue limit and the cyclic stress amplitude, the remaining life formula of the.
然后推导出该疲劳损伤累积模型在多级加载下的递推公式。
The recurrence formula of the fatigue damage model is derived under multilevel loading, and the loading case below the fatigue limit is also considered.
在考虑加载历史对疲劳寿命的影响下，建立了描述混凝土累积损伤的非线性模型；并根据损伤等效原理给出了混凝土疲劳剩余寿命的预测方法和步骤。
Taking into account of the effect of loading history, a new nonlinear cumulative damage model is established and the steps to predict remaining fatigue life with the model is given.
结果表明，基础隔震模型隔震效果明显，隔震层滞回变形能有效吸收地震动输入能量，减小模型结构的塑性变形和累积损伤。
The results show that the rubber isolated bearing is very effective in reducing the seismic response and dissipating the input energy of the superstructure.
结果表明，基础隔震模型隔震效果明显，隔震层滞回变形能有效吸收地震动输入能量，减小模型结构的塑性变形和累积损伤。
The results show that the rubber isolated bearing is very effective in reducing the seismic response and dissipating the input energy of the superstructure.
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