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Formulas for natural frequency and mode shape
Robert D. Blevins,R. Plunkett +1 more
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The article was published on 1979-01-01 and is currently open access. It has received 2002 citations till now. The article focuses on the topics: Natural frequency & Normal mode.read more
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Active Vibration Control Using NiTiNOL and Piezoelectric Ceramics
TL;DR: In this paper, the results of a study recently completed by Boeing Aerospace & Elec tronics to investigate the use of NiTiNOL Shape Memory Metals as the sensor and actua tor components of active vibration suppression systems are presented.
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Effect of gravity on the vibration of vertical cantilevers
TL;DR: In this article, the free vibration of a vertically oriented, thin, prismatic cantilever is influenced by weight, and the natural frequencies and mode shapes are affected by the application of a linearly varying axial load.
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Design, test and model of a hybrid magnetostrictive hydraulic actuator
TL;DR: In this paper, the authors developed a mathematical model of the hydraulic hybrid actuator in the time domain to show the basic operational principle under varying conditions and to capture phenomena affecting system performance.
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Channel-Select Micromechanical Filters Using High-K Dielectrically Transduced MEMS Resonators
TL;DR: In this paper, an electrically and mechanically coupled channel-select filter comprised of dielectrically transduced thickness shear mode resonators is presented. Butler et al. demonstrated an 809 MHz half-wave thickness resonator with a quality factor (Q) of 7,800 in air and a motional impedance (R X ) of 59 Ω.
Journal ArticleDOI
Geometrically non-linear free and forced vibrations of simply supported circular cylindrical shells: A semi-analytical approach
TL;DR: In this paper, the non-linear free and forced vibrations of simply supported thin circular cylindrical shells are investigated using Lagrange's equations and an improved transverse displacement expansion.