Search Results - "Hamid M. Sedighi"

Divergence and flutter instability of magneto-thermo-elastic C-BN hetero-nanotubes conveying fluid by Sedighi, Hamid M.

“…On the basis of finite element analysis, an eigenvalue problem is performed to examine the vibrational characteristics of a hetero-nanotube made of carbon (C)…”
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Numerical analysis of multi-dimensional time-fractional diffusion problems under the Atangana-Baleanu Caputo derivative by Nadeem, Muhammad, He, Ji-Huan, Sedighi, Hamid M

“…This paper presents the Elzaki homotopy perturbation transform scheme (EHPTS) to analyze the approximate solution of the multi-dimensional fractional diffusion…”
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Photothermal-induced interactions in a semiconductor solid with a cylindrical gap due to laser pulse duration using a fractional MGT heat conduction model by Abouelregal, Ahmed E., Sedighi, Hamid M., Megahid, Sami F.

“…Optical and photo-thermal effects have emerged in many fields, including thermal characterization, spectroscopy, transportation, and non-destructive…”
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Nonlocal vibration of carbon/boron-nitride nano-hetero-structure in thermal and magnetic fields by means of nonlinear finite element method by Sedighi, Hamid M, Malikan, Mohammad, Valipour, Ali, Żur, Krzysztof Kamil

“…Abstract Hybrid nanotubes composed of carbon and boron-nitride nanotubes have manifested as innovative building blocks to exploit the exceptional features of…”
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Elastic Thermal Deformation of an Infinite Copper Material Due to Cyclic Heat Supply Using Higher-Order Nonlocal Thermal Modeling by Abouelregal, Ahmed E., Sedighi, Hamid M.

“…Thermoelastic modeling at nanoscale is becoming more important as devices shrink and heat sources are more widely used in modern industries, such as…”
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Static and dynamic pull-in instability of multi-walled carbon nanotube probes by He’s iteration perturbation method by Sedighi, Hamid M., Daneshmand, Farhang

“…A continuum model is utilized to extract the nonlinear governing equation for Carbon nanotube (CNT) probes near graphite sheets. The van der Waals (vdW)…”
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Micromechanics in biology and medicine by MacManus, David B., Khorshidi, Majid Akbarzadeh, Ghajari, Mazdak, Sedighi, Hamid M.

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Static and Dynamic Pull-In Instability of Nano-Beams Resting on Elastic Foundation Based on the Nonlocal Elasticity Theory by Sedighi, HAMID M, Sheikhanzadeh, ASHKAN

“…This paper provides the static and dynamic pull-in behavior of nano-beams resting on the elastic foundation based on the nonlocal theory which is able to…”
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Higher order and scale-dependent micro-inertia effect on the longitudinal dispersion based on the modified couple stress theory by Soltani, Delara, Akbarzadeh Khorshidi, Majid, Sedighi, Hamid M

“…Abstract The conventional modified couple stress theory cannot model the correct behavior of the longitudinal dispersion and acts the same as the classical…”
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A Novel Elastic Metamaterial with Multiple Resonators for Vibration Suppression by Nooraldinvand, Saman Ahmadi, Sedighi, Hamid M., Yaghootian, Amin

“…In this paper, two models of elastic metamaterial containing one and two resonators are proposed to obtain the bandgaps with the aim of providing broadband…”
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Size-dependent dynamic pull-in instability of vibrating electrically actuated microbeams based on the strain gradient elasticity theory by Sedighi, Hamid M.

“…This paper presents the impact of vibrational amplitude on the dynamic pull-in instability and fundamental frequency of actuated microbeams by introducing the…”
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Stress-driven nonlocal elasticity for nonlinear vibration characteristics of carbon/boron-nitride hetero-nanotube subject to magneto-thermal environment by Sedighi, Hamid M, Malikan, Mohammad

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Modified continuum model for stability analysis of asymmetric FGM double-sided NEMS: Corrections due to finite conductivity, surface energy and nonlocal effect by Sedighi, Hamid M., Keivani, Maryam, Abadyan, Mohamadreza

“…Finite conductivity, surface energy and nonlocal effect can influence the electromechanical performance of micro/nano-electromechanical systems (MEMS/NEMS)…”
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Stress-driven nonlocal elasticity for the instability analysis of fluid-conveying C-BN hybrid-nanotube in a magneto-thermal environment by Sedighi, Hamid M, Ouakad, Hassen M, Dimitri, Rossana, Tornabene, Francesco

“…The Eringen's strain-driven nonlocal differential model is well-established to exhibit inconsistencies when applied to bounded continua of applicative…”
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A new insight into the interaction of thermoelasticity with mass diffusion for a half-space in the context of Moore–Gibson–Thompson thermodiffusion theory by Abouelregal, Ahmed E., Sedighi, Hamid M.

“…Thermal and mass diffusion processes are important issues in a variety of engineering applications and scientific disciplines. The main objective of this…”
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Instability Characteristics of Free-Standing Nanowires Based on the Strain Gradient Theory with the Consideration of Casimir Attraction and Surface Effects by Sedighi, Hamid M., Ouakad, Hassen M., Khooran, Moosa

“…Size-dependent dynamic instability of cylindrical nanowires incorporating the effects of Casimir attraction and surface energy is presented in this research…”
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Modified model for instability analysis of symmetric FGM double-sided nano-bridge: Corrections due to surface layer, finite conductivity and size effect by Sedighi, Hamid M., Daneshmand, Farhang, Abadyan, Mohamadreza

“…Finite conductivity, size dependency and surface layer are known as crucial factors that affect the electromechanical response and pull-in instability of…”
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Two-phase elastic axisymmetric nanoplates by Vaccaro, Marzia Sara, Sedighi, Hamid M.

“…In the present work, the two-phase integral theory of elasticity developed in Barretta et al. (Phys E 97:13–30, 2018) for nano-beams is generalized to model…”
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Size-dependent nonlinear vibration of functionally graded composite micro-beams reinforced by carbon nanotubes with piezoelectric layers in thermal environments by Gia Phi, Bui, Van Hieu, Dang, Sedighi, Hamid M., Sofiyev, Abdullah H.

“…Nonlinear free vibration characteristics of functionally graded (FG) composite micro-beams reinforced by carbon nanotubes (CNTs) with piezoelectric layers in…”
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Buckling analysis of a non-concentric double-walled carbon nanotube by Malikan, Mohammad, Eremeyev, Victor A., Sedighi, Hamid M.

“…On the basis of a theoretical study, this research incorporates an eccentricity into a system of compressed double-walled carbon nanotubes (DWCNTs). In order…”
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