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RISDamage detection in structural systems by improved sensitivity of modal strain energy and Tikhonov regularization method
In this article, newmethods for detecting damage in structural systems are presented. These methods are categorized as damage localization and damage quantification, respectively. Hence, direct changes of modal strain ...
Damage localization in shear buildings by direct updating of physical properties
The objective of this article is to present a new method for identifying the damage location in a multi-story shear building by direct model updating method. In this regard, structural perturbation matrices should be ...
New Sensitivity-based Methods for Structural damage Diagnosis by Least Square Minimal Residual Techniques
Abstract– This paper presents new sensitivity-based methods for detection of structural damage using incomplete noisy modal data. These methods are based on the first-order derivative of modal parameters. Changes of natural ...
An unsupervised learning approach by novel damage indices in structural health monitoring for damage localization and quantification
Feature extraction by time-series analysis and decision making through distance-based methods are powerful and efficient statistical pattern recognition techniques for data-driven structural health monitoring. The motivation ...
Damage localization under ambient excitations and non-stationary vibration signals by a new hybrid algorithm for feature extraction and multivariate distance correlation methods
Ambient excitations applied to structures may lead to non-stationary vibration responses. In such circumstances, it may be difficult or improper to extract meaningful and significant damage features through methods that ...
Structural health monitoring by a new hybrid feature extraction and dynamic time warping methods under ambient vibration and nonstationary signals
Feature extraction and classification are crucial steps of a data-driven structural health monitoring strategy.
One of the major issues in feature extraction is to extract damage-sensitive features from nonstation ...
Structural damage identification by sensitivity of modal strain energy based on optimization function
Many methods for the assessment of structural damage based on vibration-based technique are surveyed for many decades. In this paper, an effective damage detection methods based on numerical and experimental evaluation of ...
Structural Damage Detection by Sensitivity Analysis of Vibrational Response in Civil and Architectural Buildings
This study investigates the use of vibrational response of structure known as modal parameters, for identification of damage in the civil and architectural buildings. The vibrational response is defined as modal parameters ...
Damage localization and quantification by direct structural dynamic parameters updating method
The objective of this paper is detecting the location and extent of structural damage from measured vibration test data based on direct structural finite element model updating. The method is based upon a mathematical model ...
new application of random decerement technique
This study aims to introduce a new application of random decrement (RD) technique to struc-tural health monitoring for improving the results of statistical process control (SPC). The RD technique transforms random time ...