[PDF] Top 20 Crack detection using nonlinear output frequency response functions - an experimental study
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Crack detection using nonlinear output frequency response functions - an experimental study
... of output reponses which were sampled from three specimen beams under different excitation ...the nonlinear effects are very weak for both the crack free beam and the beam with a small crack ... See full document
18
Relationships between the nonlinear output frequency response functions of multi- degree-of-freedom nonlinear systems
... Unless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy ... See full document
25
Linear parameter estimation for multi-degree-of-freedom nonlinear systems using nonlinear output frequency-response functions
... locally nonlinear MDOF systems has been ...of Nonlinear Output Frequency Response Functions (NOFRFs) which were derived from the Volterra series approach of nonlinear ... See full document
21
Analysis of bilinear oscillators under harmonic loading using nonlinear output frequency response functions
... of crack is often expressed as the stiffness ...by using the finite element method to determine the dynamic response of a simply supported ...closing crack and then analyzed the forced ... See full document
29
Analytical modeling and vibration analysis of partially cracked rectangular plates with different boundary conditions and loading
... by nonlinear theory exhibit new phenomena for example, the dependence of frequency of vibration on amplitude that cannot be predicted by means of linear ...a crack within a plate, which can lead to ... See full document
11
The parametric characteristics of frequency response functions for nonlinear systems
... system nonlinear characteristics of different ...the frequency response functions and the effects of different types of nonlinearities on the system would involve study of the ... See full document
22
Boundary Element Model Updating Using Frequency Response Functions
... updating using frequency response functions as measurement data was ...and nonlinear least-square parameter estimation were briefly ...this study represents a simulation test of ... See full document
7
Nonlinear output frequency response functions of MDOF systems with multiple nonlinear components
... have nonlinear characteristics, the whole system will behave ...of Nonlinear Output Frequency Response Functions (NOFRFs) was proposed by the authors recently and provides a ... See full document
26
Nonlinear Dynamic Characteristics of a Simple Blade with Breathing Crack Using Ansys Software
... dynamic response represents the most important studies for structures subjected to a dynamic mo- tion so that it provides the researcher by an excellent information especially at critical design ...for ... See full document
10
Damage Detection of Reinforcement Concrete Beam Using Embedded Piezoceramics Transducers
... the detection and characterization of damage in concrete cubes and observed that the RMSD between the signatures was the most suitable damage index to characterize structure ...carriedout study depend on ... See full document
7
Frequency-domain analysis for nonlinear systems with time-domain model parameter uncertainty
... for nonlinear systems. Frequency- domain analysis of nonlinear systems using frequency response functions (FRFs) is particularly important to reveal resonances, ... See full document
12
Analysis of multi-degree-of-freedom nonlinear systems using nonlinear output frequency response functions
... Unless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy ... See full document
22
The analysis of nonlinear systems in the frequency domain using Nonlinear Output Frequency Response Functions
... the nonlinear case is known as the Generalized Frequency Response Functions (GFRFs) (George, 1959), which were proposed under the assumption that the output of the nonlinear ... See full document
7
Nonlinear output frequency response functions for multi-input nonlinear volterra systems
... Unless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, Designs and Patents Act 1988 allows the making of a single copy ... See full document
20
An algorithm for determining the output frequency range of Volterra models with multiple inputs
... the output frequency components, the expression and construction of the relevant matrices required by the algorithm are very complex for the three nonlinear submodels in ...required ... See full document
6
Crack Detection In Beams Using Experimental Model Data And Finite Element Model”
... packages are available to address the practical problems. During finite element analysis, the structure is approximated in two ways. First step devotes to dividing the structure into a number of small parts. The small ... See full document
12
Enhancement of root crack detection in friction stir welds using ultrasonic non-destructive testing and signal processing technique.
... different depths of the specimen or can produce a long and narrow focus tube. It has the advantage that the pressure distribution is symmetrical with respect to the beam axis; however, variation of incidence angle is not ... See full document
96
Transformer Fault Detection Using Frequency Response Analysis
... ABSTRACT : Power transformers prove to be a vital element or tool in electrical power supply and transmission system. They are capital intensive units and need to be monitored for faults. Faults in transformers leading ... See full document
6
REVIEW OF NUMERICAL SOLUTION TO THE DETECTION OF CRACK IN STRUCTURE BY USING FUZZY LOGIC
... and experimental approach by H. Nahvi and M. Jabbari et al. to the crack detection in cantilever beams by vibration ...the crack parameters (location and depth) determined by ... See full document
6
A Case Study on the Effect of Detailed 3D Finite Element Modelling on Nuclear Power Plant Building Response
... seismic response than was considered in the past, and newly developed probabilistic-based ground motion response spectra can show significantly different shapes than considered in the past for ...and ... See full document
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