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.
三类累积模型要求资料反应变量为有序分类且样本量较大、阳性率不太低。
The data must be ordinal response, enough sample size and not too low event rate for the cumulative models.
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.
该理论以电荷守恒原理代替电流连续性原理,建立了电荷累积模型的微分方程。
By substituting the principle of current continuity with charge conservation, the differential equation of charge accumulation model is built.
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.
在对裂尖弹塑性应力应变分析的基础上,作者建立了疲劳裂纹扩展的应变累积模型。
Then, the strain accumulation model of EPFC growth is presented based on an analysis of elastic-plastic stress and strain at the crack-tip.
根据驾驶疲劳的程度,把驾驶员的疲劳状况分为了四类,建立了驾驶疲劳累积模型。
According to the extent of driving fatigue, the status of driver's fatigue was divided into four types, and a cumulative mode in driving fatigue was built.
长期以后,他们可以从累积的数据中建立数字模型。
After a long period, they can actually build mathematical models derived from the accumulated data.
基于大量油气田开发的实际资料,建立了预测油气田产量、累积产量和可采储量的简单模型。
Based on statistical development data of large oil and gas fields, a simple model for predicting production, cumulative production, and recoverable reserves is developed.
多元线性回归模型分析显示:血清tc水平与累积噪声剂量呈正相关,与高温级别呈负相关。
The multiple liner regression model indicated that serum TC level was significantly associated with accumulative noise dose, but negative associate with scale of hot environment.
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.
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.
此模型由一“破坏指标”表示,它是最大变形和累积能量耗损两个参数的非线性函数,其统计特性服从威布尔分布。
This model is represented in terms of a "damage index" which is a nonlinear function of maximum deformation and accumulated energy dissipation, and follows Weibull distribution.
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.
提出了适用于长期循环荷载作用下粉细砂累积变形计算的等效黏塑性本构模型及数值模拟方法。
A new constitutive model, namely equivalent viscoplastic model, adaptive to cumulative deformation computation of sandy silt under long-term cyclic loading is proposed.
通过建立能源消费的模型,估算几种矿物资源累积消费和倍增时间、最大消费率及达到的时间。
According to consumption rate models of energy sources, we estimate accumulative consumption of resources, doubling time, maximum consumption rate and the time of maximum consumption rate.
证明了递减反向失效率(DRHR)性质关于卷积运算封闭,同时证明了该性质在累积发生率是凹的非齐次泊松冲击模型中也封闭。
It is also shown that the DRHR property can be preserved under non-homogeneous Poisson shock model with increasing concave cumulative rate of occurrence.
随着金融市场上各种异象的累积,有效市场假说(emh)和资本资产定价模型(CAPM)的权威地位已开始动摇。
Along with various accumulations of anomalies in financial market, the correctness of Efficient market Hypothesis (EMH) and the Capital Asset Pricing Model (CAPM) has been doubted.
应用该模型测算了江汉盆地JJ、QQ、XX凹陷潜江组未熟烃源岩在现今的累积生油强度和生油量。
By using this model, the current cumulative oil generating intensity and amount for immature source rocks of Qianjiang formation were calculated in JJ, QQ, XX Depressions, the Jianghan Basin.
2003~2004年,在云南省4个县(市)随机抽取968名吸毒人员进行调查,并进行多因素累积比数模型分析。
To investigate 968 IDUs by randomly sample from four counties(cities) from 2003 to 2004, and analyze the data by multifactor accumulative odds model.
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.
基于累积前景理论框架建立的风险路网环境下出行决策模型,更好地描述了出行者的实际出行行为。
The actual travel behavior is better described by the descriptive model of decision based on Cumulative Prospect Theory (CPT) in risky traffic networks.
利用川渝地区含硫气井H2S释放速率数据,根据其累积概率分布函数建立概率分布模型。
The probabilistic distribution model for the release rates of H2S in the sour gas wells of Sichuan and Chongqing areas was developed using the complementary cumulative distribution function.
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.
瑞利模型可用于预测油气田的产量、累积产量、可采储量、最高年产量及其相应的开发时间和累积产量。
Rayleigh model can be used to forecast production, cumulative production, recoverable reserves, maximum annual production and its corresponding time and cumulative production of oil and gas fields.
模型类型包括频率直方图、累积频率分布图及双对数坐标表示的理论分布模型。
The model types include frequency histogram, cumulative frequency distributing graph and theoretical model with double logarithmic coordinates.
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.
在试验的基础上通过引入综合影响参数对试验数据进行归一化,建立饱和软黏土累积塑性应变模型。
Based on the test results, an empirical accumulative plastic strain model is proposed by introducing a comprehensive impact parameter.
滑坡预测模型的预测率是,模型预测结果图的各个级别类型中,未用于建模的滑坡面积百分比的累积分布函数。
Prediction rate is the cumulative distribution function of the area percentage of the landslides not used to construct a model with respect to the classes in the prediction map generated.
滑坡预测模型的预测率是,模型预测结果图的各个级别类型中,未用于建模的滑坡面积百分比的累积分布函数。
Prediction rate is the cumulative distribution function of the area percentage of the landslides not used to construct a model with respect to the classes in the prediction map generated.
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