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Constrained-layer damping

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Constrained-layer damping is a mechanical engineering technique to suppress vibrations. Typically a viscoelastic or other damping material, is sandwiched between two sheets of stiff materials that lack sufficient damping by themselves. The end result is that any vibration generated on either side of the constraining materials (the two stiffer materials on the sides) is suppressed by the viscoelastic material, by turning it into heat.

References

  • Baz A. and Ro J. (June 1, 1995). "Optimum Design and Control of Active Constrained Layer Damping". Journal of Mechanical Design. 117: 135-144. doi:10.1115/1.2836447. eISSN 1528-9001. ISSN 1050-0472.


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