Results 1 to 10 of about 5,618 (212)
Thermoelastic damping in MEMS gyroscopes at high frequencies [PDF]
Microsystems & Nanoengineering, 2023 Microelectromechanical systems (MEMS) gyroscopes are widely used, e.g., in modern automotive and consumer applications, and require signal stability and accuracy in rather harsh environmental conditions.
Daniel Schiwietz +2 more
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Analytical modeling and numerical analysis of thermoelastic damping in ultrathin elastic films due to surface effects [PDF]
Scientific Reports, 2023 Analytical techniques used for estimating thermoelastic damping by incorporating both mechanical and thermal interactions between surfaces and the rest of the bulk are intricate and challenging due to the limited understanding of the damping mechanisms ...
Dianwu Huang +2 more
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Entropy Generation and Thermoelastic Damping in the In-plane Vibration of Microring Resonators [PDF]
Entropy, 2019 Thermoelastic damping is a critical issue for designing very high quality factor microresonators. This paper derives the entropy generation, associated with the irreversibility in heat conduction, that is used for ring resonators in in-plane vibration ...
Yongpeng Tai, Pu Li, Yan Zheng, Jie Tian
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Thermoelastic Damping in Micro- and Nano-Mechanical Systems [PDF]
Physical Review B, 1999 The importance of thermoelastic damping as a fundamental dissipation mechanism for small-scale mechanical resonators is evaluated in light of recent efforts to design high-Q micrometer- and nanometer-scale electro-mechanical systems (MEMS and NEMS).
A. Akhiezer +24 more
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Research on Energy Dissipation Mechanism of Cobweb-like Disk Resonator Gyroscope [PDF]
MicromachinesThe micro disk resonator gyroscope is a micro-mechanical device with potential for navigation-grade applications, where the performance is significantly influenced by the quality factor, which is determined by various energy dissipation mechanisms within
Huang Yi +4 more
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Comprehensive Performance-Oriented Multi-Objective Optimization of Hemispherical Resonator Structural Parameters [PDF]
MicromachinesThe hemispherical resonant gyroscope is the highest-precision solid-state vibration gyroscope, widely applied in aviation, aerospace, marine, and other navigation fields.
Xiaohao Liu +5 more
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Exponential stabilization and finite time blow-up in a fractional thermal piezoelectric beam with delay [PDF]
Scientific ReportsThis paper investigates the behavior of a nonlinear piezoelectric beam under electrostatic conditions, incorporating thermal effects, a tempered fractional memory term, and internal delays. A logarithmic source is introduced to model the strong nonlinear
Zahid Ullah +3 more
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Study of Transversely Isotropic Visco-Beam with Memory-Dependent Derivative
Mathematics, 2023 Based on the modified Moore–Gibson–Thompson (MGT) model, transversely isotropic visco-thermoelastic material is investigated for frequency shift and thermoelastic damping. The Green–Naghdi (GN) III theory of thermoelasticity with two temperatures is used
Kulvinder Singh +2 more
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IEEE Access, 2020 Thermoelastic damping is an important dissipation mechanism in microresonators. This article presents an analytical model of thermoelastic damping for out-of-plane vibration of microrings with circular cross-section by considering two-dimensional heat ...
Yongpeng Tai, Ning Chen, Jun Xu, Pu Li
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Advances in Materials Science and Engineering, 2022 Among the different energy dissipation mechanisms, thermoelastic damping plays a vital role and needs to be alleviated in vibrating resonators to mitigate parameters by improving the thermoelastic damping limited quality factor, QTED.
Resmi R., Suresh Babu V., Baiju M. R.
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