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  1. Journal of Mechanical Science and Technology
  2. Journal of Mechanical Science and Technology : Volume 27
  3. Journal of Mechanical Science and Technology : Volume 27, Issue 1, January 2013
  4. On multiple crack detection in beam structures
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Journal of Mechanical Science and Technology : Volume 31
Journal of Mechanical Science and Technology : Volume 30
Journal of Mechanical Science and Technology : Volume 29
Journal of Mechanical Science and Technology : Volume 28
Journal of Mechanical Science and Technology : Volume 27
Journal of Mechanical Science and Technology : Volume 27, Issue 12, December 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 11, November 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 10, October 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 9, September 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 8, August 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 7, July 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 6, June 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 5, May 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 4, April 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 3, March 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 2, February 2013
Journal of Mechanical Science and Technology : Volume 27, Issue 1, January 2013
Modelling and testing of a dielectic electro-active polymer (DEAP) actuator for active vibration control
Nonlinear dynamic analysis of a vertical rotor-bearing system
Nonlinear viscose flow induced nonlocal vibration and instability of embedded DWCNC via DQM
Response surface method-based optimization of the shroud of an axial cooling fan for high performance and low noise
Molecular dynamics simulation of tensile behavior of diffusion bonded Ni/Al nanowires
On multiple crack detection in beam structures
Three-dimensional finite element analysis for estimation of the weld residual stress in the dissimilar butt weld piping
FMEA for the reliability of hydroformed flanged part for automotive application
Derivation of finite element formulation for electrochemical governing equations of ionic polymer actuators
Effective transmission screw nuts of steel backing/self-lubricating composite lining fabricated by injection molding
Shear-dependant toroidal vortex flow
Investigations on the exterior flow field and the efficiency of the muzzle brake
Design of mechanical coxa joints based on three-degree-of-freedom spherical parallel manipulators
Study on the system reduction under the condition of dynamic load
Optimal design of hand-carrying rocker-bogie mechanism for stair climbing
Surface characterization and material migration during surface modification of die steels with silicon, graphite and tungsten powder in EDM process
Multi-degree-of-freedom motion error measurement in an ultraprecision machine using laser encoder — Review
Improvement of mechanical properties of Al6061 extrudate by die cooling with N$_{2}$ gas during hot extrusion
Fabrication of micro spur gears by step powder extrusion of Zn-22wt%Al powder without sintering process
Process analysis of two-layered tube hydroforming with analytical and experimental verification
Effect of machining parameters on surface integrity of silicon carbide ceramic using end electric discharge milling and mechanical grinding hybrid machining
Prediction of aspect ratio of a micro hole drilled by EDM
Effect of process parameters on surface hardness, dimensional accuracy and surface roughness of investment cast components
Second-order sliding mode tracking control for the piezoelectric actuator with hysteretic nonlinearity
Design of a slider-crank leg mechanism for mobile hopping robotic platforms
Developing an optimal valve closing rule curve for real-time pressure control in pipes
A thermal simulation of the DDI development of a multi-channel package for high-definition LCD panels
Experimental investigation on convective heat transfer and friction factor in a helically coiled tube with Al$_{2}$O$_{3}$/water nanofluid
Parameter estimation of lithium-ion batteries and noise reduction using an H$_{∞}$ filter
A study on the flow characteristics in an annular type fuel pellet of PWR
Pyrolysis and gasification characterization of sewage sludge for high quality gas and char production
A numerical study on mixed convection in a lid-driven cavity with a circular cylinder
Journal of Mechanical Science and Technology : Volume 26
Journal of Mechanical Science and Technology : Volume 25
Journal of Mechanical Science and Technology : Volume 24
Journal of Mechanical Science and Technology : Volume 23
Journal of Mechanical Science and Technology : Volume 22
Journal of Mechanical Science and Technology : Volume 21
Journal of Mechanical Science and Technology : Volume 20
Journal of Mechanical Science and Technology : Volume 19
Journal of Mechanical Science and Technology : Volume 18
Journal of Mechanical Science and Technology : Volume 17
Journal of Mechanical Science and Technology : Volume 16
Journal of Mechanical Science and Technology : Volume 15
Journal of Mechanical Science and Technology : Volume 14
Journal of Mechanical Science and Technology : Volume 13
Journal of Mechanical Science and Technology : Volume 12
Journal of Mechanical Science and Technology : Volume 11

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On multiple crack detection in beam structures

Content Provider SpringerLink
Author Moradi, Shapour Kargozarfard, Mohammad Hasan
Copyright Year 2013
Abstract This study presents an inverse procedure to identify multiple cracks in beams using an evolutionary algorithm. By considering the crack detection procedure as an optimization problem, an objective function can be constructed based on the change of the eigenfrequencies and some strain energy parameters. Each crack is modeled by a rotational spring. The changes in natural frequencies due to the presence of the cracks are related to a damage index vector. Then, the bees algorithm, a swarm-based evolutionary optimization technique, is used to optimize the objective function and find the damage index vector, whose positive components show the number and position of the cracks. A second objective function is also optimized to find the crack depths. Several experimental studies on cracked cantilever beams are conducted to ensure the integrity of the proposed method. The results show that the number of cracks as well as their sizes and locations can be predicted well through this method.
Starting Page 47
Ending Page 55
Page Count 9
File Format PDF
ISSN 1738494X
Journal Journal of Mechanical Science and Technology
Volume Number 27
Issue Number 1
e-ISSN 19763824
Language English
Publisher Korean Society of Mechanical Engineers
Publisher Date 2013-01-19
Publisher Place Heidelberg
Access Restriction One Nation One Subscription (ONOS)
Subject Keyword Bees algorithm Cantilever beam Modal testing Multiple crack detection Mechanical Engineering Vibration, Dynamical Systems, Control Industrial and Production Engineering
Content Type Text
Resource Type Article
Subject Mechanics of Materials Mechanical Engineering
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