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Search: authors:"Daniel J. Inman"

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Coupled Bending-Bending-Torsion Vibration of a Pre-Twisted Beam with Aerofoil Cross-Section by Finite Element Method

Shock and Vibration 1070-9622 0 by Bulent Yardimoglu and Daniel J. Inman Coupled bending-bending-torsion vibration of a pre-twisted beam with aerofoil cross-section by finite element method - p

Regular and chaotic vibration in a piezoelectric energy harvester with fractional damping

We examine a vibrational energy harvester consisting of a mechanical resonator with a fractional damping and electrical circuit coupled by a piezoelectric converter. By comparing the bifurcation diagrams and the power output we show that the fractional order of damping changes the system response considerably and affects the power output. Various dynamic responses of the energy...

Vibration Suppression of a Large Beam Structure Using Tuned Mass Damper and Eddy Current Damping

For a few decades, various methods to suppress the vibrations of structures have been proposed and exploited. These include passive methods using constrained layer damping (CLD) and active methods using smart materials. However, applying these methods to large structures may not be practical because of weight, material, and actuator constraints. The objective of the present study...

Structural health monitoring using piezoelectric impedance measurements

This paper presents an overview and recent advances in impedance-based structural health monitoring. The basic principle behind this technique is to apply high-frequency structural excitations (typically greater than 30 kHz) through surface-bonded piezoelectric transducers, and measure the impedance of structures by monitoring the current and voltage applied to the piezoelectric...