𝔖 Bobbio Scriptorium
✦   LIBER   ✦

STABILIZATION OF CANTILEVERED FLEXIBLE STRUCTURES BY MEANS OF AN INTERNAL FLOWING FLUID

✍ Scribed by Y. Sugiyama; T. Katayama; E. Kanki; K. Nishino; B. Åkesson

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
414 KB
Volume
10
Category
Article
ISSN
0889-9746

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✦ Synopsis

An active vibration suppression technique for flexible structures is proposed and practically implemented . The technique is based on the fact that an internal flowing fluid can stabilize the structure by dissipating vibrational energy . The particular structure studied is a cantilevered tubular beam where the fluid speed is less than the critical flutter

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A finite-element algorithm is proposed to investigate the dynamic behavior of elastic shells of revolution containing a quiescent or a flowing inviscid fluid in the framework of linear theory. The fluid behavior is described using the perturbed velocity potential. The shell behavior is treated in th