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Material and Structural Damping for Vibration Control
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Language:
English
Abstract
THE INCREASING importance of near-resonant vibrations and the role of system damping in their control is discussed. The various component parts of system damping are classified and analyzed within the framework of:
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1.
Hysteretic damping within the structural materials.
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2.
Structural damping associated with (a) interface slip or Coulomb friction, and (b) shear strain in an adhesive layer at an interface.
Each of these mechanisms is analyzed to emphasize the factors important in the utilization of damping as an engineering property. Particular attention is paid to analytical concepts for maximizing the shear damping in an interface adhesive by design optimization procedures.*
Authors
Citation
Lazan, B., "Material and Structural Damping for Vibration Control," SAE Technical Paper 600055, 1960, https://doi.org/10.4271/600055.Also In
References
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- “Dampin g Properties of Cast Magnesium and Manganese Copper Alloy Proposed as High Damping Material,” Torvik. P. Appendix 72fg, Status Report 58–4 B. J. Lazan, University of Minnesota Dec. 13 1958
- Adhesive No. 466 Minnesota Mining and Mfg. Co
- “Rheological Properties of Adhesives Considered for Interface Damping,” Whittier J. S. Lazan. B. J. Appendix B in Progress Report 57–6 on “Properties of Materials and Parts under Alternating Force,” for Contract AF-33(616)-2803 Wright Air Development Center Dayton, Ohio December 1957
- “Damping Energy Dissipated by Interfaces in Beam and Plate Supports-and in Sandwich Cores,” Mentel. T. J. WADC TR 58–547, ASTIA Doc. 206,667 December 1958
- “Effect of Configurational Additions Using Visco-elastic Interfaces on Damping of Cantilever Beam,” Whittier. J. S. WADC TR 58–568, ASTIA Doc. 214,381 May 1959
- “Resonant Vibration and Acoustic Fatigue Considering Material and Interface Damping.” Status Report 58–4 on WADC Contract AF 33(616)–5426 Lazan. B. J. University of Minnesota December 1958