1) equivalent damage
等效损伤
1.
In order to resolve the problem that the damage value under two level loads isn t equal to one, a cumulative nonlinear damage model and its math formula for fatigue are put forward by using the usual cumula- tive damage theories, avoiding the equivalent damage and considering the effect on material for load sequence, domanial latent damage and damage s uneven character.
为解决两级载荷作用下的材料常在损伤值不为一时破坏的问题,在原有常用疲劳累积理论的基础上,避开等效损伤,并考虑加载顺序、领域潜在损伤和损伤的非线性对材料疲劳寿命的影响。
2.
For three kinds of materials, a family of equivalent damage curve was measured on various stress levels using toughness degradation fatigue tests by fixing a group of cyclic numbers.
通过固定一组循环数进行不同应力水平加载试验 ,用韧性耗散法测得三种材料等效损伤线族 ,它显示了损伤场全貌。
3.
The theory of equivalent damage was used to make conversion from the loading frequencies of old base course before overlay to that after overlay.
运用混凝土材料等效损伤理论,进行了半刚性基层荷载作用次数在加铺前后的换算,系统地提出了包括旧路面层和基层的剩余寿命预估、加铺层设计和验算在内的沥青加铺层设计方法,并采用此方法对山东省东港高速公路加铺结构进行设计。
2) equivalent damage
损伤等效
1.
Based on the fatigue and rutting tests of asphalt mixture, the principle of equivalent damage and weather data of Shanxi Province, the paper calculates the fatigue and rut effective temperature of asphalt mixture for typical regions in Shanxi, and makes a reference for asphalt pavement design.
笔者从沥青路面的疲劳开裂和车辙两大病害出发,分析了温度对沥青混合料和沥青路面设计的影响,并以沥青混合料疲劳和车辙试验为基础,以陕西省的气候温度状况为例,按照损伤等效原则计算出陕西省典型地区的沥青路面疲劳和车辙有效温度,为沥青路面设计提供参考。
2.
Considering the components whose service life accords with the Weibull distribution,the dependent failure of a parallel system comprising two components is analyzed to propose a method to transform the dependent failure into equivalent damage,thus analyzing further the dependent failure.
在考虑零件寿命服从Weibull分布的条件下,针对两个零件的并联系统进行相关失效分析,提出了一种分析相关失效的等效损伤转换方法,并基于损伤等效转换原理及全概率公式对并联系统进行相关失效可靠性建模;应用Monte Carlo仿真验证所建立的模型的正确性。
3) equivalent damage curve
等效损伤线
4) equivalence of fatigue damage
疲劳损伤等效
1.
Random vibration test technique based on equivalence of fatigue damage is an important method in evaluation of vibra- tion environmental worthiness of the structure.
将基于位移模态和应变模态的模态叠加方法分别应用于结构振动位移响应和应力响应的分析中,建立了随机振动试验不同激励条件下,结构振动响应的关系;将结构随机振动应力响应的峰值概率分布通用关系应用于疲劳损伤评估,导出了振动疲劳损伤等效关系。
5) equivalent damage tensor
等效损伤张量
6) Damage equivalent stress
损伤等效应力
1.
Damage equivalent stresses in the matrix and particle were calculated on basis of damage theory.
用细观力学的方法研究颗粒增强脆性基体复合材料的强度和损伤失效,认为复合材料由随机二相胞元和基体构成,分析基体、颗粒中的局部应力场,根据损伤理论分别得到基体和颗粒的损伤等效应力。
补充资料：比等效百万吨数