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损伤识别方法     
相关语句
  damage detection method
     In order to identify structural multi-damage locations and levels,a two-stage damage detection method is presented by using measured displacements and frequencies.
     为了解决结构多损伤下的位置识别和损伤程度的判定问题,将测量位移和频率用于结构的损伤检测研究,并提出了一种分阶段的二次损伤识别方法
短句来源
     Research on Bridge Damage Detection Method Based on RBF Neural Networks
     基于RBF神经网络的桥梁损伤识别方法研究
短句来源
     A damage detection method based on frequency and the building of its detection matrix
     一种基于频率的结构损伤识别方法及识别矩阵的建立
短句来源
     Based on this, bring forward the BP neural network structural damage detection method based on modal parameters.
     在此基础上提出了基于模态参数的BP神经网络结构损伤识别方法
短句来源
     Steel Structural Damage Detection Method Based on Modal Analysis
     基于模态分析的钢结构损伤识别方法研究
短句来源
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  damage identification method
     Seismic Damage Identification Method of Concrete Structure Based on HHT
     基于HHT的混凝土结构地震损伤识别方法
短句来源
     The Damage Identification Method of Data Fusion Based on Wavelet Packet Decomposition
     基于小波包分解的数据融合损伤识别方法
短句来源
     Research on Bridge Damage Identification Method Based on Modal Analysis Theory and Neural Networks
     基于模态分析理论和神经网络的桥梁损伤识别方法研究
短句来源
     New Damage Identification Method of AE Source in Concrete Structure Based on OAET
     基于OAET和HHT的混凝土AE源损伤识别方法
短句来源
     Study on Damage Identification Method Based on the Frequency Change and Element Matrix Perturbation Theory
     基于频率变化与单元矩阵摄动理论的结构损伤识别方法研究
短句来源
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  damage identification methods
     Study on the Related Problems of Damage Identification Methods for Bridge Structures
     桥梁结构损伤识别方法的相关问题研究
短句来源
     Damage identification methods of wavelet probabilistic neural network based on energy features
     基于能量特征的小波概率神经网络损伤识别方法
短句来源
     Research on Impact Load and Damage Identification Methods For piezoelectric Smart Structures
     压电智能结构冲击荷载及损伤识别方法的研究
短句来源
     Engineering structural damage identification methods based on vibration analysis are reviewed and discussed.
     综述了基于振动分析的工程结构损伤识别方法,并对各种方法进行了评述。
短句来源
     The method of damage identification based on Modal Strain Energy Change (MSEC),one of damage identification methods in the frequency domain, is based on the linear-modal assumption, therefore it is only applicable to identification of minor damage.
     基于模态应变能改变的损伤识别方法,一种频域识别方法,使用的是线性模态假设,它只适用于识别较小的损伤。
更多       
  damage identification approaches
     Review of Vibration-based Structural Damage Identification Approaches
     基于振动的结构损伤识别方法综述
短句来源
     Vibration-based structural damage identification approaches are summarized and the important problems which trouble the structural damage identification are discussed in the paper.
     本文简要地总结了目前主要的基于振动的结构损伤识别方法,讨论了结构损伤检测所面临的主要问题。
短句来源
     Vibration-based structural damage identification approaches are summarized and the important problems which trouble the structural damage identification are discussed in the paper.
     本文简要地总结了目前主要的基于振动的结构损伤识别方法,讨论了结构损伤检测所面临的主要问题。

 

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  damage detection method
During construction, the work was monitored visually and with a nondestructive damage detection method after construction was complete.
      
Figures 1a and 1b show the results of the damage detection method applied to the Ikonos and QuickBird images of central Bam, respectively.
      
Finally, in Section 2.3 we present the proposed damage detection method.
      
Last but not least, shadow analysis can be integrated in further developed damage detection method.
      
This paper illustrates how a subspace-based damage detection method can be successfully used to detect damage in vibrating structures.
      
更多          
  damage identification method
An improved damage identification method based on mode information
      
This paper shows a damage identification method based on dynamic residual forces which can be evaluated using an analytical model of undamaged structures and measured vibration data of damaged structures.
      
  damage identification approaches
Two damage identification approaches, developed during the PD project, have been described in this article.
      
  其他


Based upon the experimental results in reference[1],an identification method is presented for the earthquake damage of shear-type R C frame in this paper.A calculation method of the parameter of the structural damage state is given, which is practical in evaluating the structural damage.

本文根据文献[1]的试验结果,提出了剪切型钢筋混凝土结构地震损伤的识别方法;对于完整模态和非完整模态的识别结果,给出了结构损伤状态参数的计算方法.本文为在实际工程中应用参数识别方法对结构进行损伤估计提供了可行方法.

In this paper, an efficient method for structural damage detection is developed based on model refinement theory. First, a submatrix approach using modal test data to stiffhess matrix correction is described. Then a damage assessment methed that has its basis in both dynamic and static measurements is derived from the submatrix approach.Loss of shiffness, both its location and extent, is identified by detemining the reduction factors corresponding to the submatrices being examined. Order - reduced analytical...

In this paper, an efficient method for structural damage detection is developed based on model refinement theory. First, a submatrix approach using modal test data to stiffhess matrix correction is described. Then a damage assessment methed that has its basis in both dynamic and static measurements is derived from the submatrix approach.Loss of shiffness, both its location and extent, is identified by detemining the reduction factors corresponding to the submatrices being examined. Order - reduced analytical model is utilized to match experimental model, the dimension of which is insufficient due to practical testing limitations. Finally, a computer simulated case is studied on a cantilever beam to illustrate the damage evaluating capability and to investigate the feasibility of the proposed technique for bridge structures' health monitoring.

提出了一种基于模型修正理论的结构损伤检测的方法.首先给出一种利用结构振动模态数据修正结构刚度的于结构算法,然后将这一方法推广为同时利用振动模态数据和静力位移量测值的损伤识别方法;运用缩阶的理论分析模型解决实测自由度不足的矛盾.以一悬臂梁的损伤仿真试验,验证这一方法的有效性.并考察将这一损伤识别技术运用于大型桥梁实时监测系统的可行性

The finite element method is used to form a flexibility matrix of a structure.Based on the structural damage identification by the flexibility matrix method a quadratic programming model is made;and the damage identification method for a cantilever flexible shear building structure is suggested.It is indicated by a numerical simulation of the cantilever flexible shear structural damage identification that only low order modal parameters are needed to identify effectively a structural damage.

应用有限元方法 ,建立结构柔度矩阵 ,在柔度阵法识别结构损伤的基础上 ,构造损伤识别的二次规划模型 ,提出了一种悬臂弯剪型建筑结构的损伤识别方法。通过一个悬臂弯剪型结构损伤识别的数值模拟表明 ,只需低阶模态参数就可有效地识别结构损伤。

 
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