Passive damping by smart materials: analysis and practical limitations

Christian A. Smith; Eric H. Anderson

doi:10.1117/12.208883

5 May 1995 Passive damping by smart materials: analysis and practical limitations

Christian A. Smith, Eric H. Anderson

Proceedings Volume 2445, Smart Structures and Materials 1995: Passive Damping; (1995) https://doi.org/10.1117/12.208883
Event: Smart Structures and Materials '95, 1995, San Diego, CA, United States

Abstract

This paper examines the use of smart materials for passive damping. Among the smart materials considered are electrorheological and magnetorheological (ER and MR) fluids, piezoelectrics, electrostrictives, magnetostrictives, and shape memory alloys. The specific mechanism exploited for energy dissipation by passive or semi-passive means is described for each material. A distinction is made between internal and external energy dissipation. The external stimuli required for each of the semi-passive mechanisms are noted. Selected examples of damping results with each material are provided. Practical limitations for engineering design and implementation are considered, and recommendations are made for the more promising materials.

Citation Download Citation

Christian A. Smith and Eric H. Anderson "Passive damping by smart materials: analysis and practical limitations", Proc. SPIE 2445, Smart Structures and Materials 1995: Passive Damping, (5 May 1995); https://doi.org/10.1117/12.208883

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