Piezoelectric-based vibration reduction of turbomachinery bladed disks via resonance frequency detuning

JL Kauffman, GA Lesieutre - AIAA journal, 2012 - arc.aiaa.org
TURBOMACHINERY has been redesigned in recent years to increase aerodynamic
efficiency while decreasing drag, weight, and complexity. However, these advances have …

Exploring geometric and material property model limitations of magnetorheological sandwich beams

CG Vazquez, JL Kauffman - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0058. vid The purpose of this
research is to test the limitations of a particular magnetorheological (MR) sandwich beam …

Updated model of a magnetorheological sandwich beam for transient magnetic field damping

CG Vazquez, JL Kauffman - AIAA Scitech 2021 Forum, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-0478. vid This research is
concerned with updating the analytical model that measures a magnetorheological …

Exploiting dynamic magnetic fields for new magnetorheological fluid damping capability

CG Vazquez, JL Kauffman - Active and Passive Smart …, 2020 - spiedigitallibrary.org
When considering damping in the design of a vibration system, magnetorheological (MR)
fluids can provide an alternative to more traditional dampers that can take up unnecessary …

Smart materials and active structures

MV Nathal, GL Stefko - Journal of Aerospace Engineering, 2013 - ascelibrary.org
Research in smart materials and active structures has grown significantly at the National
Aeronautics and Space Administration (NASA) Glenn Research Center (GRC) in the last 10 …

Vibration reduction of integrally bladed rotors using piezoelectric materials

JL Kauffman - 2012 - etda.libraries.psu.edu
Recent advances in turbomachinery design have led to the use of monolithic bladed disks
(blisks) for their increased overall aerodynamic efficiency and decreased drag, complexity …

State switching in regions of high modal density

GK Lopp, JL Kauffman - Active and Passive Smart Structures …, 2016 - spiedigitallibrary.org
Performance of piezoelectric-based, semi-active vibration reduction approaches has been
studied extensively in the past decade. Originally analyzed with single-degree-of-freedom …

Harvesting under transient conditions: Harvested energy as a proxy for optimal resonance frequency detuning

TD Hynds, JL Kauffman - Active and Passive Smart Structures …, 2015 - spiedigitallibrary.org
Piezoelectric-based vibration energy harvesting is of interest in a wide range of applications,
and a number of harvesting schemes have been proposed and studied {primarily when …

Passive Vibration Mitigation Via Mechanical Nonlinear Bistable Oscillators

CB Grantz - 2019 - search.proquest.com
Passive vibration mitigation via multi-stable, mechanical means is relatively unexplored. In
addition, achieving vibration suppression through avoiding resonance is at the forefront of …

Energy Harvesting toward the Vibration Reduction of Turbomachinery Blades via Resonance Frequency Detuning

T Hynds - 2015 - stars.library.ucf.edu
Piezoelectric-based energy harvesting devices provide an attractive approach to powering
remote devices as ambient mechanical energy from vibrations is converted to electrical …