1) multi-scale damage
多标量损伤
1.
Based on progressive damage theory,a non-linear and multi-scale damage model is developed to consider the stiffness reduction caused by micro-crack before the failure of a single lamina.
基于连续损伤理论,利用多标量损伤模型,考虑单层板失效前由微裂纹损伤所造成的刚度下降,将Hoffman准则作为复合材料单层板在复杂应力状态下的极限损伤条件,应用该准则对含圆孔复合材料层合板在单向拉伸载荷下的损伤破坏过程进行了数值分析,并与常规(无损伤)失效准则的结果进行了比较。
2) many-index-damage-vector method
多损伤指标向量法
3) Signature for damage detection
损伤标识量
1.
Therefore,the variation rate of the first modal is taken as the signature for damage detection,and multiple damage state is transformed into superposition of single damage states.
以一阶振型变化率为损伤标识量,将结构的多位置损伤状态等价于各单位置损伤状态的叠加。
4) double scalar
双标量损伤
5) double scalar damage variables
双标量损伤变量模型
6) damage index
损伤指标
1.
Study on the seismic damage index based on wavelet transform
基于小波变换的地震损伤指标的研究
2.
In the MFEI method, the basic theory of structural damage is first introduced, and then the formulas to calculate stiffness damage index and the mass damage index are proposed, which is based on the measured.
对于多频率激励情况,首先分析了结构损伤的基本理论,然后推导了其刚度损伤指标和质量损伤指标的识别公式;对于单频率激励情况,则首先根据结构的刚度特性和质量特性确定结构损伤的简化定位方法,在此基础上提出了其相应的迭代改进策略,以提高识别的精度。
3.
By adopting natural excitation technique and mathematical statistics theory,a damage index is established,which is based on the strain measurement of structures under environmental excitation.
应用自然激励技术及数理统计理论,建立了基于环境激励下结构应变测试数据的损伤指标。
补充资料：标量
标量
scalar
①只有大小没有方向的量(与矢量不同），如功、密度、温度等物理量。②只有大、小并在一切坐标系中都有同一数质的量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条