Dynamic modelling and quality factor evaluation of hemispherical shell resonators

L Zheng, F Li, Z Wu, S Wen - Journal of Sound and Vibration, 2024 - Elsevier
A novel strategy is proposed for the dynamic modelling and quality factor evaluation of the
hemispherical shell resonators (HSR) considering the coupling of hemispherical shell and …

Three-dimensional thermoelastic dam** models for rectangular micro/nanoplate resonators with nonlocal-single-phase-lagging effect of heat conduction

H Zhou, D Shao, X Song, P Li - International Journal of Heat and Mass …, 2022 - Elsevier
To design the vacuum-operated micro/nano-resonator with high quality-factor, the accurate
estimation of thermoelastic dam** (TED) is of significance. In this work, considering the …

Thermoelastic dam** and frequency shift in micro/nano-ring resonators considering the nonlocal single-phase-lag effect in the thermal field

H Zhou, D Shao, P Li - Applied Mathematical Modelling, 2023 - Elsevier
Estimating thermoelastic dam** (TED) and frequency shift with sufficient accuracy is of
importance for the quality factor prediction of micro/nano-resonators operating in certain …

Size-dependent thermoelastic dam** analysis in nanobeam resonators based on Eringen's nonlocal elasticity and modified couple stress theories

H Kumar, S Mukhopadhyay - Journal of Vibration and …, 2023 - journals.sagepub.com
Thermoelastic dam** has emerged as a critical issue in the modeling and design of micro
and nanomechanical systems. Therefore, an extensive research interest is being devoted …

Thermoelastic dam** in anisotropic piezoelectric microbeam resonators

W Zuo, P Li, J Du, ZTH Tse - International Journal of Heat and Mass …, 2022 - Elsevier
In this paper, an analytical model for thermoelastic dam** in an anisotropic piezoelectric
microbeam is investigated based on the thermal energy approach. The charge in the …

Two-dimensional thermoelastic dam** models for circular micro/nanoplate resonators with nonlocal dual-phase-lagging effect of heat conduction

D Shao, L Xu, P Li, H Zhou - Thin-Walled Structures, 2023 - Elsevier
The accurate calculation of thermoelastic dam** (TED) is significant for designing and
optimizing micro/nano-resonators. In this work, employing the nonlocal dual-phase-lagging …

Thermoelastic dam** in high frequency resonators using higher-order shear deformation theories

SR Li, F Zhang, RC Batra - Thin-Walled Structures, 2023 - Elsevier
Thermoelastic dam** (TED) in high frequency oscillators shifts their natural frequencies
and attenuates the vibration amplitude. The amount of dam** depends upon the …

Generalized thermoelastic dissipation in micro/nano-beams with two-dimensional heat conduction

H Zhou, X Song, P Li - International Journal of Mechanical Sciences, 2023 - Elsevier
The precise prediction of quality factor based on thermoelastic dissipation (TED) is of great
importance for the optimal design of micro/nano-resonators. In this work, employing the …

Mathematical study on the propagation of Griffith crack in a dry sandy strip subjected to punch pressure

AK Singh, AK Singh - Waves in Random and Complex Media, 2022 - Taylor & Francis
The present study investigates the features of a moving Griffith crack in a dry sandy infinitely
long and finitely thick isotropic strip with moving parallel punches of constant load acting on …

[HTML][HTML] Frequency shifts and thermoelastic dam** in distinct micro-/nano-scale piezothermoelastic fiber-reinforced composite beams under three heat conduction …

S Guha, AK Singh - Journal of Ocean Engineering and Science, 2022 - Elsevier
The present work aims to fulfill two primary objectives. Firstly, to present the micro-
mechanics model of piezothermoelastic fiber-reinforced composite (PTFRC) medium using …