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Accession number: 20114014392844 Title: Vibration analysis method of cracked beam based on the principle of energy Authors: Chen, Deliang1 ; Wang, Wenting1 ; Liu, Feng1 Author affiliation: 1 School of Civil Engineering and Architecture, Changsha University of Science and Technology, Changsha 410004, China Corresponding author: Chen, D. (deliang_chen@126.com) Source title: Applied Mechanics and Materials Abbreviated source title: Appl. Mech. Mater. Volume: 94-96 Monograph title: Advances in Structural Engineering Issue date: 2011 Publication year: 2011 Pages: 1633-1637 Language: English ISSN: 16609336 ISBN-13: 9783037852439 Document type: Conference article (CA) Conference name: 2011 International Conference on Civil Engineering and Transportation, ICCET 2011 Conference date: October 14, 2010 - October 16, 2010 Conference location: Jinan, China Conference code: 86694 Sponsor: Shandong Jianzhu University, School of Civil Engineering; Shandong University, School of Civil Engineering; Shandong Univ. Sci. Technol. Sch. Civ. Eng. Archit.; Yantai University, School of Civil Engineering; Shandong Prov. Key Lab Appraisal Retrofitting Build. Struct. Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: Using the theory of nonlinear elastic mechanics and fracture mechanics, the equation of motion governing equation of cracked beam is derived by the energy method, and solved with separation method of variables. Vibration analysis method based on the energy principle in this paper is proved feasible.Through numerical analysis, the effects of structural damping, crack location and depth on natural frequencies of linear vibration is investigated. © (2011) Trans Tech Publications, Switzerland. Number of references: 10 Main heading: Vibration analysis Controlled terms: Civil engineering - Cracks - Equations of motion - Fracture mechanics - Nonlinear equations - Numerical analysis - Numerical methods Uncontrolled terms: Crack location - Cracked beams - Elastic mechanics - Energy method - Energy principles - Equation of motion - Euler beam - Governing equations - Linear vibrations - Nature frequency - Separation methods - Structural damping Classification code: 409 Civil Engineering, General - 421 Strength of Building Materials; Mechanical Properties - 921 Mathematics - 943.2 Mechanical Variables Measurements DOI: 10.4028/www.scientific.net/AMM.94-96.1633 Database: Compendex Compilation and indexing terms, © 2011 Elsevier Inc. |
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