DocumentCode
2648052
Title
Notice of Retraction
Analysis on fatigue life of cracked beam under forced vibration
Author
Liu Wenguang ; Chen Guoping
Author_Institution
Coll. of Aerosp. Eng., Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China
Volume
5
fYear
2010
fDate
16-18 April 2010
Abstract
Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
An analytical method was proposed for cracked beam to improve the prediction precision of fatigue life. Many factors such as crack length together with excitation frequency and damping were considered during vibration analysis. Paris equation and piecewise analysis method were employed to consider the coupling relation of vibration and crack propagation in the analysis of fatigue life. Cracked cantilever beam under bending moment whose crack element replaced by linear torsion spring and damping introduced by complex elastic modulus was used as an analytical object. Results indicate that crack length, excitation frequency and damping play important effects on the fatigue life of structural crack growth under forced vibration, especially in the resonance region, and the coupling relationship of vibration and crack propagation has great influence on the fatigue life of cracked structures.
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
An analytical method was proposed for cracked beam to improve the prediction precision of fatigue life. Many factors such as crack length together with excitation frequency and damping were considered during vibration analysis. Paris equation and piecewise analysis method were employed to consider the coupling relation of vibration and crack propagation in the analysis of fatigue life. Cracked cantilever beam under bending moment whose crack element replaced by linear torsion spring and damping introduced by complex elastic modulus was used as an analytical object. Results indicate that crack length, excitation frequency and damping play important effects on the fatigue life of structural crack growth under forced vibration, especially in the resonance region, and the coupling relationship of vibration and crack propagation has great influence on the fatigue life of cracked structures.
Keywords
beams (structures); bending; cantilevers; damping; elastic moduli; fatigue cracks; torsion; vibrations; bending moment; crack propagation; cracked cantilever beam; damping; elastic modulus; fatigue life analysis; forced vibration; linear torsion spring; vibration analysis; Aerodynamics; Damping; Educational institutions; Fatigue; Frequency; Reliability engineering; Resonance; Stress; Structural beams; Vibrations; Complex Elastic Modulus; Crack Growth; Excitation Frequency; Vibration Fatigue;
fLanguage
English
Publisher
ieee
Conference_Titel
Computer Engineering and Technology (ICCET), 2010 2nd International Conference on
Conference_Location
Chengdu
Print_ISBN
978-1-4244-6347-3
Type
conf
DOI
10.1109/ICCET.2010.5485359
Filename
5485359
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