模态模型描述机械结构的固有动态特性，结构损伤将导致模态参数的变化。
Modal models describe structure inherent dynamic characteristics, thus structural damage will result in changes in modal parameters.
利用结构的振动响应和系统动态特性参数进行结构损伤检测是目前国内外研究的热点和难点。
The structural damage detection method based on structural vibration response and systemic dynamic parameters is a difficult and growing interest problem in nondestructive evaluation (NDE).
采用动态热力学分析仪表征了温度和皮肤胶原质损伤对皮肤黏弹性特性的影响。
The dynamic mechanical analyzer (DMA) was employed to evaluate the changes in skin viscoelastic properties as a function of temperature and collagen damage.
因此，通过测量结构动态特性的变化来进行结构损伤的辨识是自然而然的。
It is, therefore, natural to use the measured changes in dynamic behavior for the identification of structural damage.
基于该模型进行了静动态特性试验和损伤模拟试验。
By means of test model, static and dynamic properties of the suspension bridge model have been analyzed.
基于该模型进行了静动态特性试验和损伤模拟试验。
By means of test model, static and dynamic properties of the suspension bridge model have been analyzed.
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