Fatigue damage estimation of the tendons was made using fracture mechanics approach, establishing the fracture crack growth rate model and limit state equations for failure modes.
疲劳寿命的计算采用断裂力学方法,建立疲劳裂纹扩展模型和失效模式的极限状态方程。
Stochastic fatigue, chaotic fatigue and the fatigue life estimation of the composite material are three important aspects in fatigue research. The fatigue damage probability distribution was given.
随机疲劳、混沌疲劳及复合材料疲劳寿命估算属疲劳学研究的三个重要前沿.给出了疲劳损伤的动态概率分布;
With the welding spot fatigue lifetime pre-estimation method, by combination of the finite element analysis and stress calculation, the welding spot fatigue damage under actual load can be calculated.
采用焊点疲劳寿命预估方法,通过有限元分析并结合应力计算,即可计算出实际载荷工况下的焊点疲劳损伤。
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.
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。
An information fusion model for identification, diagnosis, estimation and forecast of formation damage using the data fusion technique and the uncertainty decision theory was established.
应用信息融合技术与不确定性决策理论,构建了对油气储层损害进行识别、诊断、评价和预测的信息融合模型。
The calculating results of various damage creep coupling models were compared, and some efficient methods were provided for the damage and service life estimation of the furnace fire bars.
比较了不同损伤蠕变耦合模型的计算结果,为炉管损伤及寿命评估提供了有效的方法和手段。
The complicated problem of the quantitative estimation of power is solved with the target damage model.
所提出的破片群能级和目标毁伤模型解决了威力定量评价的复杂问题。
An improved method is presented in order to remedy the disadvantages of the existing sensitivity methods, such as: false detection of damage locations and high severity estimation error.
针对原有灵敏度法对复杂结构损伤识别中存在的不足(误判损伤位置和高估损伤程度),本文对其进行了改进。
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.
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。
They can be investigated by means of field vibration test, and can be served as fundamental data for health estimation and damage identification, as well as the theoretical analysis.
通过现场测试得到高层建筑的动力特性具有重要意义,既可以验证理论计算,又可以为建筑物的安全性评估及损伤识别积累基本技术资料。
According to similarity estimation of discrepancy image histogram may determine two images' similarity degree, in order to recognize film damage.
选用基于差异图像直方图的相似性测度来判定两幅图像的相似程度,进而达到识别损伤的目的。
The fuzzy model for earthquake-caused disaster forecasting is extended to include the estimation of quantity of various kinds of buildings with different damage grades.
运用笔者建议的基于模糊近似推断原理的震害预测总体模型,可以得到一个城市或一个地区适当划分的每个小区的各类建筑物的震害度。
The fuzzy model for earthquake-caused disaster forecasting is extended to include the estimation of quantity of various kinds of buildings with different damage grades.
运用笔者建议的基于模糊近似推断原理的震害预测总体模型,可以得到一个城市或一个地区适当划分的每个小区的各类建筑物的震害度。
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