Non-local wave propagation in embedded armchair TWBNNTs conveying viscous fluid using DQM

Abdollahian, M.; Arani, A. Ghorbanpour; Barzoki, A.A. Mosallaie; Kolahchi, Reza; Loghman, Abbas

doi:10.1016/j.physb.2013.02.037

Cited by 21 publications

(7 citation statements)

References 51 publications

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“…There was also a large amount of research on the fluid-conveying dynamics of BNNT. Abdollahian et al employed the differential quadrature method to analyze the wave propagation behavior of a fluid-conveying armchair triple-walled BNNT embedded in Winkler and Pasternak foundation [15]. Ansari et al developed a size-dependent nonlinear Timoshenko beam model to simulate the nonlinear vibration and predicted the instability modes of fluid-conveying single-walled BNNT [16].…”

Section: Introductionmentioning

confidence: 99%

Stability Analysis of a Periodic Fluid-Conveying Heterogeneous Nanotube System

Dai

Liu

Tong

2020

Acta Mech. Solida Sin.

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In this paper, the stability of a periodic heterogeneous nanotube conveying fluid is investigated. The governing equations of the nanotube system are derived based on the nonlocal Euler–Bernoulli beam theory. The dynamic stiffness method is employed to analyze the natural frequencies and critical flow velocities of the heteronanotube. The results and discussions are presented from three aspects which reveal the influences of period number, material length ratio and boundary conditions. In particular, we make comparisons between the heterogeneous nanotubes with periodic structure and the homogeneous ones with the same integral values of material properties along the longitudinal direction to isolate the influences of periodic distribution. According to the simulation results, we can conclude that with a proper selection of period number in terms of length ratio, the stability of the constructed nanotube can be improved.

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Section: Introductionmentioning

confidence: 99%

Stability Analysis of a Periodic Fluid-Conveying Heterogeneous Nanotube System

Dai

Liu

Tong

2020

Acta Mech. Solida Sin.

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“…Although there exist numerous applications on the wave propagation analysis of smallscaled systems via nonlocal continuum theory (see, e.g., [14,15,49,50]). However, the capability of the nonlocal continuum theory for predicting the size-dependent stiffness may exist some limited problems [51,52].…”

Section: Introductionmentioning

confidence: 99%

Flexural wave propagation in small-scaled functionally graded beams via a nonlocal strain gradient theory

Ling

2015

Composite Structures

234

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“…Few studies have been done on the mechanical characteristics of BNNTs. Nonlocal electro-thermo-mechanical wave propagation in an embedded armchair three-walled boron nitride nanotube (TWBNNT) conveying viscous fluid under torsional load was carried out by Abdollahian et al 17 Ghorbanpour Arani et al 18 investigated wave propagation of an embedded DWBNNT conveying fluid based on the strain gradient and Eringen's piezoelasticity theories. In another attempt, Ghorbanpour Arani et al 19 proposed the effect of longitudinal magnetic field on wave propagation of an embedded DWCNT conveying ferrofluid.…”

Section: Introductionmentioning

confidence: 99%

Theoretical investigation on wave propagation in embedded DWBNNT conveying ferrofluid via stress and strain–inertia gradient elasticity

Arani

Jalilvand

Haghparast

2016

Proceedings of the Institution of Mechanical Engineers, Part L:

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In the present study, wave propagation characteristics of double-walled boron nitride nanotubes (DWBNNTs) conveying ferrofluid is investigated. Magnetite (Fe 3 O 4) nanofluid is selected as a conveying fluid which reacted in presence of magnetic field. Shear effects of surrounded medium are taken into account using Pasternak model. Stress and strain-inertia gradient elasticity theories are used due to their capability to interpret size effect. Based on Hamilton's principle and employing Euler-Bernoulli, Timoshenko and Reddy beam models, wave equations of motion in double-walled boron nitride nanotubes are derived and solved by harmonic solution. Regarding the various types of flow regimes in fluid-structure interaction, the upstream and downstream phase velocities of double-walled boron nitride nanotubes conveying ferrofluid are calculated. A detailed parametric study is conducted to clarify the influences of the beam models, size effect theories, magnetic field, surrounding elastic medium and fluid velocity on the wave propagation of double-walled boron nitride nanotubes conveying ferrofluid. The results indicated that in lower wave numbers, the effect of flowing fluid and the difference between the upstream and downstream phase velocities were considerable. The results of this work can be used in design and manufacturing of nanopipes and nanovalves conveying fluid flow to avoid water hammer phenomenon.

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Non-local wave propagation in embedded armchair TWBNNTs conveying viscous fluid using DQM

Cited by 21 publications

References 51 publications

Stability Analysis of a Periodic Fluid-Conveying Heterogeneous Nanotube System

Stability Analysis of a Periodic Fluid-Conveying Heterogeneous Nanotube System

Flexural wave propagation in small-scaled functionally graded beams via a nonlocal strain gradient theory

Theoretical investigation on wave propagation in embedded DWBNNT conveying ferrofluid via stress and strain–inertia gradient elasticity

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