By the analysis and experiment measurement of damage condition of HK40 furnace tube, it was regarded that the damage material had critical damage condition at the tip of crack.
通过对服役材料HK40炉管损伤状态的实验测定和分析，认为在受损材料的裂纹前端存在临界损伤状态。
The method of identification of structural damage based on ANN is an effective measurement to identify the structural damage, which can be widely used in practical engineering.
基于人工神经网络技术的结构损伤识别方法是大型土木工程结构损伤识别的有效方法，可在工程结构损伤识别中广泛应用。
Also the laser induced photothermal wave studied. The measurement of sink energy can be used to illustrate damage mechanism of material.
研究了激光在材料中感生的光热波，热沉测量可用于解释材料的破坏机理。
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