article · Journal of low frequency noise, vibration and active control
This research investigates the free vibration characteristics of a thermoelastic microbeam resonator supported by an elastic foundation. Using the Green and Naghdi generalized thermoelasticity theory without energy dissipation, the study establishes a governing frequency equation for a simply supported microbeam mounted on a Winkler-Pasternak elastic foundation. It demonstrates how varying the length-to-thickness ratio and changing the parameters of the elastic foundation affect the natural frequencies of the device. The calculated natural vibration frequencies are illustrated graphically and accompanied by tabulated data intended for future comparative evaluations.
Microbeam resonators are miniature components whose vibration patterns dictate their operational behaviour. Understanding how dimensions and underlying support structures alter these natural frequencies helps engineers accurately predict mechanical responses in miniaturised thermal and elastic systems.
This is early-stage theoretical modelling of microbeam resonators. While the calculations could inform engineers designing micro-electromechanical systems, the abstract does not indicate an application pathway or specify target commercial users.
AI-generated from the published abstract. Always read the original work before citing.
This article investigates the effect of length-to-thickness ratio and elastic foundation parameters on the natural frequencies of a thermoelastic microbeam resonator. The generalized thermoelasticity theory of Green and Naghdi without energy dissipation is used. The governing frequency equation is given for a simply supported microbeam resting on Winkler–Pasternak elastic foundations. The influences of different parameters are all demonstrated. Natural vibration frequencies are graphically illustrated and some tabulated results are presented for future comparisons.
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DOI: 10.1177/0263092316676405
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