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结构损伤定位
相关语句
  structural damage localization
     A Flexibility-based Method for Structural Damage Localization
     基于柔度的结构损伤定位方法
     Therefore, the structural damage alarming method put forward in this paper is practical and helpful for structural damage localization.
     可见,该结构损伤预警方法具有实用性,对结构损伤定位亦有帮助.
短句来源
     According to the pseudo-inverse relationship between global stiffness matrix and flexibility matrix, a flexibility-based method for structural damage localization is presented.
     本文利用结构柔度矩阵与刚度矩阵之间的广义逆关系,建立了一种基于柔度的结构损伤定位方法。
  “结构损伤定位”译为未确定词的双语例句
     Damage Location of Two-Dimensional Structure Based on Wavelet Transform and Active Monitoring Technology of Lamb Wave
     基于主动Lamb波和小波变换的二维结构损伤定位研究
短句来源
     The analysis results show that modal strain energy index and modal flexibility index are complementary to each other in damage location identification for steel box girder.
     分析结果表明,模态应变能和模态柔度对于扁平钢箱梁结构损伤定位具有较好的互补性,将其相结合对扁平钢箱梁主跨和边跨的损伤识别具有较好的抗噪声干扰能力。
短句来源
     Damage Localization of Structures by Wavelet Packet Analysis
     基于小波包分析的结构损伤定位方法
短句来源
     STUDY OF DAMAGE POSITION OF STRUCTURE BASED ON TEST OF EVEN CHANGE POINT
     基于均值变点检验的结构损伤定位方法研究
     The formula of damage location was obtained with some function transformation.
     通过对该函数关系的变换,得到了损伤位置及损伤程度与实测频率的关系,推导出了结构损伤定位公式.
短句来源
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  相似匹配句对
     Damage Localization for Three-Dimensional Structures
     工程结构损伤定位方法的研究
短句来源
     DAMAGE LOCATION DUE TO CORROSION IN REINFORCED CONCRETE STRUCTURES
     钢筋混凝土结构锈蚀损伤定位(英文)
短句来源
     A Flexibility-based Method for Structural Damage Localization
     基于柔度的结构损伤定位方法
     A Simple Method of Damage Identification for Rough Localization
     结构损伤初步定位的简便方法
短句来源
     A METHOD FOR LOCATING DAMAGE USING STRuCTURAL DYNAMICS PARAMETER
     基于动力特性的结构损伤定位方法
短句来源
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The displacement mode parameters and strain mode parameters are combined withneural networks techniques on the studies of damage detection of structures.In order to obtainmore sensitive signatures for structural damage detection, after considering the analysis ofcurrent signatures, six kinds of signatures for damage detection are studied and the sensitivity todamages is compared. The results show that six kinds of signatures can all be used to predict thestructural damage. It is also clearly seen that damage...

The displacement mode parameters and strain mode parameters are combined withneural networks techniques on the studies of damage detection of structures.In order to obtainmore sensitive signatures for structural damage detection, after considering the analysis ofcurrent signatures, six kinds of signatures for damage detection are studied and the sensitivity todamages is compared. The results show that six kinds of signatures can all be used to predict thestructural damage. It is also clearly seen that damage signatures based on strain data are generallymore sensitive to damage than that on displacement data.

利用结构位移模态试验和应变模态试验参数和神经网络方法对结构损伤定位和定量辨识问题进行了研究。为获得对结构损伤更加敏感的结构损伤识别指标,在分析现有识别指标的基础上,提出了用于神经网络方法的六种基于结构模态试验参数的损伤识别指标,并对它们进行了实例识别和比较研究。它们均能对结构的损伤进行预报,其中应变类型的损伤识别指标对结构损伤的敏感度比位移类型的损伤识别指标高。

The damage locating method based structural dynamics parameter has been a focus problem, but has no feasible solving method until now. The present paper finds that the variable for locating damage should be a type of local variable, and meet the following two basic requirements: 1) to be sensitive to local damage. 2) to be a monotonous function of location coordinates. The first order variational relationship about structural strain is found, from which a feasible mothod for locating damage can be obtained.

本文推导出关于结构应变的一阶交分关系,从中揭示出结构损伤定位的合理方案.

A systematic discussion is made on the innate characters of and in terrelations between the two types of method for recognizing and locating of structural damage,one of which is based on strain type parameters (such as strain,strain modal shape,curvature modal shape,and so on),and another is based on displacement type parameters (such as displacement,displacement modal shape,flexibility matrices,and so on).It is pointed out that with the method based on displacement type parameters there exists the possibility...

A systematic discussion is made on the innate characters of and in terrelations between the two types of method for recognizing and locating of structural damage,one of which is based on strain type parameters (such as strain,strain modal shape,curvature modal shape,and so on),and another is based on displacement type parameters (such as displacement,displacement modal shape,flexibility matrices,and so on).It is pointed out that with the method based on displacement type parameters there exists the possibility of making a wrong damage location.In view of the local nature of the damage,a new damage location formula based on local parameter changes is suggested.Damage propagation is the result of interaction between loads and structural details rather than an innate property of the structure,so it is necessary to take into consideration the joint effect of loads and structural details when locating a damage in engineering structures.

对以应变类参数 (应变、应变模态、曲率模态等) 为基础的损伤定位方法和以位移类参数 (位移、位移模态、柔度矩阵等) 为基础的损伤定位方法的相互关系和本质特征进行了系统的阐述, 指出后者理论上存在错误定位的隐忧。鉴于损伤的局域特征, 提出了一种以局域特征变化为依据的损伤定位公式。强调损伤的扩展并不是结构的内禀属性, 而是环境和结构细节相互作用的结果, 因此, 在进行实际结构的损伤定位时, 考虑环境因素和结构细节的共同影响十分必要。

 
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