Damping in beams and plates due to slipping at the support boundaries |
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| Affiliation: | 1. Department of Metallurgical and Materials Engineering, IIT Madras, 600036, India;2. Department of Aerospace Engineering, IIT Madras, 600036, India;3. Materials Application Group, GTRE, Bangalore 560093, India;1. Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China;2. Shenzhen College of Advanced Technology, University of Chinese Academy of Sciences, Shenzhen 518055, China;3. School of Information Engineering, Guangdong Medical University, Dongguan 523808, China;4. Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China;5. Shenzhen Key Laboratory of Ultrasound Imaging and Therapy, Shenzhen 518055, China;6. Key Laboratory of Health Informatics, Chinese Academy of Sciences, Shenzhen 518055, China;1. State Key Laboratory of Ocean Engineering, School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;2. Department of Civil and Environmental Engineering, Washington State University, Pullman, WA 99164-2910, USA |
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| Abstract: | ![]()
Dry friction damping due to axial sliding surfaces normal to the principal lateral direction of structural motion is studied. Primary emphasis is on sufficiently large motion that slipping occurs throughout a cycle. Beams with arbitrary support conditions and vibrating in an arbitrary mode are considered; also a pinned-pinned rectangular plate is studied. In all cases, a simple explicit formula is obtained for an equivalent, linear, viscous critical damping ratio. |
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