Analysis of edge elements for a new active constrained layer treatment

Wei-Hsin Liao; Kon-Well Wang

doi:10.1117/12.274190

9 May 1997 Analysis of edge elements for a new active constrained layer treatment

Wei-Hsin Liao, Kon-Well Wang

Proceedings Volume 3045, Smart Structures and Materials 1997: Passive Damping and Isolation; (1997) https://doi.org/10.1117/12.274190
Event: Smart Structures and Materials '97, 1997, San Diego, CA, United States

Abstract

This paper is concerned with the investigations of edge elements' effects on a new class of active constrained layer (ACL) treatment, the so-called enhanced active constrained layer (EACL) configurations. Specific interests are on understanding how the edge elements will influence the passive damping ability, the active action transmissibility, and their combined effects in EACL. Analysis results indicate that the edge elements can significantly improve the active action transmissibility of the current ACL treatment. Although the edge elements will slightly reduce the viscoelastic material (VEM) passive damping effect, the EACL will still have significant damping from the VEM. Combining the overall active and passive actions, the new EACL with sufficiently stiff edge elements can achieve better performance with less control effort as compared to systems with purely active or current ACL treatments.

Citation Download Citation

Wei-Hsin Liao and Kon-Well Wang "Analysis of edge elements for a new active constrained layer treatment", Proc. SPIE 3045, Smart Structures and Materials 1997: Passive Damping and Isolation, (9 May 1997); https://doi.org/10.1117/12.274190

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