Viscoelastic stressed microbeam analysis based on Moore–Gibson–Thompson heat equation and laser excitation resting on Winkler foundation

Abouelregal, Ahmed E.; Ahmad, Harith; Badr, Souha K.; Almutairi, Bander; Almohsen, Bandar

doi:10.1177/14613484211040318

Cited by 22 publications

(4 citation statements)

References 68 publications

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“…The CVA is the acronym for computational vibrational analysis. Because the CVA plays such an important role in the extraction of electrical power, it is necessary to provide a comprehensive description of the issue [30][31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46].…”

Section: Exergy Based Results and Discussion On Pveh Based Energy Systemmentioning

confidence: 99%

Design and multi‐disciplinary computational investigations on PVEH patches attached horizontal axis hybrid wind turbine system for additional energy extraction in HALE UAVs

Raja¹,

AL-bonsrulah²,

Raji³

et al. 2022

IET Renewable Power Gen

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Unmanned Aerial Vehicles (UAVs) and their allies have dramatically increased aerospace's energy needs. To meet this need, hybrid power systems and extensive power utilization evaluations must be developed. This research focuses on energy and exergy-based studies of hybrid wind power systems for fixed-wing UAVs, which depend on wind turbines and piezoelectric patches. The proposed hybrid wind turbine is planned to be located at the fixed-wing UAVs' rear position. The wind turbine was initially conceived and built using analytical methods and CAD tools based on power input. The wind turbine's CFD has produced the desired aerodynamic pressures and temperatures, torque, and power. Wind turbine exergy efficiencies have been determined using standard and specialized methods. Wind turbine blades are also patched with PVEH patches to generate hybrid electricity from renewable sources. CFRP-UD-Prepreg, CFRP-Woven-Prepreg, GFRP-FR-4-Fabric, GFRP-S-UD, GFRP-E-Fabric, and KFRP-49-UD are the lightweight materials used in this work. PVEH patches, along with wind turbines, have been studied for energy and exergy. Modern engineering methods have shown that the proposed hybrid system is better suited to meet high power requirements. Based on this system, the wind turbine system is 0.39226 and the PVEH patches are 0.28131. Finally, aeroacoustic, vibrational, and structural studies are computationally analyzed.

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Section: Exergy Based Results and Discussion On Pveh Based Energy Systemmentioning

confidence: 99%

Design and multi‐disciplinary computational investigations on PVEH patches attached horizontal axis hybrid wind turbine system for additional energy extraction in HALE UAVs

Raja¹,

AL-bonsrulah²,

Raji³

et al. 2022

IET Renewable Power Gen

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“…This model elucidates the manner in which an elastic material reacts to stress under conditions where deformation is time-dependent yet reversible. Many investigators worked on the different problems of viscoelastic and thermo-viscoelastic such as [19][20][21][22][23][24][25][26]. Lotfy and his team conduct extensive research on problems related to piezothermoelastic media with photothermal effects, focusing on the hyperbolic twotemperature model [26][27][28][29][30][31].…”

Section: Introductionmentioning

confidence: 99%

Response of stiffness and viscosity on the energy ratios at piezo-visco-thermo-elastic medium

Kumar,

Kumari,

Gupta

et al. 2024

International Journal of Applied Mechanics and Engineering

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This article presents a mathematical framework that characterizes a transversely isotropic piezo-visco-thermo-elastic medium within the context of the dual-phase lags heat transfer law (PVID) applied to an elastic medium (ES). Specifically, the study investigates the propagation of plane waves within the elastic medium and their interaction with the imperfect interface of the ES/PVID media. This interaction results in two waves reflecting back into the elastic medium and four waves propagating through the piezo-visco-thermo-elastic medium. The research explores the distribution of energy between the reflected and transmitted waves by analyzing amplitude ratios at the boundary interfaces, considering factors such as phase delays, viscosity effects, and wave frequency. The study illustrates the influence of boundary stiffness and viscosity parameters on these energy ratios through graphical representations. The study's findings are consistent with the principles of the energy balance law, and the research also delves into specific cases of interest. Overall, this investigation provides insights into wave behavior within complex media and offers potential applications across various fields.

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“…It was observed that the fluid velocity of the fluid flowing in the pipe on a Winkler foundation is greater than the one in the pipes with no foundation [4]. A two-parameter foundation model -the Pasternak-Winkler was recently applied in the study of vibration in pipelines for conveying fluid [8], while some others have applied the viscous model which is an extension of the Winkler's model for polymer rubber sheet to explain the effect of time dependence [9]. The fluid conveying pipe problems have been studied using a variety of solution techniques most of which are numerical methods.…”

Section: Introductionmentioning

confidence: 99%

Analytical Studies of Fluid Conveying Pipes on Viscoelastic Foundation Using Differential Transforms Method

Adeleye,

Yinusa,

Diwe

2024

AMM

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This study presents an analytical investigation of the vibration of fluid-conveying pipes on viscoelastic foundations using the differential transform method. The effects of a new time dependent viscosity parameter in the modified Winkler viscoelastic foundation is studied and analyzed. The governing equation is a fourth-order partial differential equation with pinned-pinned boundary conditions, which required a special analytical method for solution. The differential transform method was applied to obtain the solution of the governing partial differential equation for the fluid-conveying pipes on viscoelastic foundations. The time-dependent viscosity parameter in the modified Winkler viscoelastic model was implemented and simulated to determine the behavior of the viscoelastic foundation. The obtained analytical solution was validated with Runge-Kutta order four numerical method. The effects of foundation stiffness , coefficient of foundation damping and the frequency mass ratio on the governing model equation were investigated. In addition, the bending and deflection of the pipe on a viscoelastic foundation are compared with those on an elastic foundation. The analytical and the numerical solutions are in good agreement. From the study, it is observed that an increase in the foundation stiffness results in increase in the pipe inherent frequencies. Furthermore, the vibration of the pipe on a viscoelastic foundation shows better control and reduction compared with its vibration on an elastic foundation.

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Viscoelastic stressed microbeam analysis based on Moore–Gibson–Thompson heat equation and laser excitation resting on Winkler foundation

Cited by 22 publications

References 68 publications

Design and multi‐disciplinary computational investigations on PVEH patches attached horizontal axis hybrid wind turbine system for additional energy extraction in HALE UAVs

Design and multi‐disciplinary computational investigations on PVEH patches attached horizontal axis hybrid wind turbine system for additional energy extraction in HALE UAVs

Response of stiffness and viscosity on the energy ratios at piezo-visco-thermo-elastic medium

Analytical Studies of Fluid Conveying Pipes on Viscoelastic Foundation Using Differential Transforms Method

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