Volume 11, Issue 4 (9-2011)                   Modares Mechanical Engineering 2011, 11(4): 53-63 | Back to browse issues page

‎ 20.1001.1.10275940.1390.11.4.6.0

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Analytical investigation of micro-slip energy dissipation in joints. Modares Mechanical Engineering 2011; 11 (4) :53-63
URL: http://mme.modares.ac.ir/article-15-7495-en.html
Analytical investigation of micro-slip energy dissipation in joints
Abstract:   (5421 Views)
Contact interfaces are known as the main source of energy dissipation in the structural joints. Therefore it is important in structural dynamic analysis to use predictive joint models which are capable to simulate the structural response and energy dissipation with an acceptable accuracy. In this paper an analytical model is proposed for energy dissipation evaluation due to micro slip mechanism in a beam structure with frictional-free boundary condition. The bending response governing equations are derived under harmonic external excitation and are solved in order to detect transition from stick to slip at the contact interface. The resultant hysteresis loops are obtained and parametric study is done for a numerical case study.
Keywords: Continuous Micro-slip Model, Stick-Slip, Flexural Vibration, Hysteresis Loop
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Article Type: Research Article | Subject: Solar Energy & Radiation
Received: 2011/09/24 | Accepted: 2011/09/23 | Published: 2012/01/25
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