Vibration and Snapthrough of Fluid-Conveying Graphene-Reinforced Composite Pipes Under Low-Velocity Impact

Ren, Yiru; Li, Lizhi; Jin, Quan; Nie, Lu; Fan, Peng

doi:10.2514/1.j060628

Cited by 20 publications

(2 citation statements)

References 53 publications

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“…However, the dynamic responses of the fluid-conveying pipes under the impact loads may be more complicated. Recently, we have studied the nonlinear dynamic behaviors of the fluid-conveying pipes under the low velocity impact by using two-step perturbation method (Ren et al, 2021), but ignored the dynamic responses in the impact process. In fact, the bending stress state of the fluid-conveying pipes in the impact stage is the most severe.…”

Section: Introductionmentioning

confidence: 99%

On the impact process and stress field of functionally graded graphene reinforced composite pipes with a viscoelastic interlayer

Nie

Ren

et al. 2022

Journal of Vibration and Control

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In the paper, impact process of the fluid-conveying pipes composed of graphene-reinforced composite layers and a viscoelastic interlayer is studied. The bending stress field, midspan displacement and contact force are focused on. Based on the theory of high-order displacement field, the governing equations are derived through the Hamilton variational principle. To obtain the approximate solution for the impact dynamics of pipes, the Galerkin method is extended to expand the generalized displacements into the schemes of triangular series. Further, by utilizing the orthogonality of the trigonometric series, the differential equations of various orders for impact dynamics are established. The fourth-order Runge–Kutta method is introduced to the truncated solutions. Subsequently, the parameter sensitivity of the transient responses in the impact stage is emphatically discussed. It is revealed that the insensitive parameters to contact force and midspan displacement have a great influence on the stress field. Furthermore, the evolution characteristics of the bending normal stress field are highlighted. Numerical results illustrate that the attenuation characteristics of bending stress field are determined by the coupling effects of internal flow and structural features on structural stiffness and damping.

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Section: Introductionmentioning

confidence: 99%

On the impact process and stress field of functionally graded graphene reinforced composite pipes with a viscoelastic interlayer

Nie

Ren

et al. 2022

Journal of Vibration and Control

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“…Qiduo et al (Jin et al , 2020a, b, 2021) investigated the free vibration of post-buckled FG-GRC, FG nanotubes and laminated FRC using higher order shear deformation zig-zag theory. Yiru Ren et al (2021) studied the dynamic behavior of pre- and postbuckled FG graphene-reinforced composites. Matsunaga (2009) performed thermal buckling of P-FGM plate under uniform and linear temperature distribution using two-dimensional (2D) HSDT.…”

Section: Introductionmentioning

confidence: 99%

Thermal buckling behavior of power and sigmoid functionally graded material sandwich plates using nonpolynomial shear deformation theories

Sah

Ghosh

2021

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PurposeThe purpose of this article is to carry out the thermal buckling analysis of power and sigmoid functionally graded material Sandwich plate (P-FGM and S-FGM) under uniform, linear, nonlinear and sinusoidal temperature rise.Design/methodology/approachThermal buckling of FGM Sandwich plates namely, FGM face with ceramic core (Type-A) and homogeneous face layers with FGM core (Type-B), incorporated with nonpolynomial shear deformation theories are considered for an analytical solution in this investigation. Effective material properties and thermal expansion coefficients of FGM Sandwich plates are evaluated based on Voigt's micromechanical model considering power and sigmoid law. The governing equilibrium and stability equations for the thermal buckling analysis are derived based on sinusoidal shear deformation theory (SSDT) and inverse trigonometric shear deformation theory (ITSDT) along with Von Karman nonlinearity. Analytical solutions for thermal buckling are carried out using the principle of minimum potential energy and Navier's solution technique.FindingsCritical buckling temperature of P-FGM and S-FGM Sandwich plates Type-A and B under uniform, linear, non-linear, and sinusoidal temperature rise are obtained and analyzed based on SSDT and ITSDT. Influence of power law, sigmoid law, span to thickness ratio, aspect ratio, volume fraction index, different types of thermal loadings and Sandwich plate types over critical buckling temperature are investigated. An analytical method of solution for thermal buckling of power and sigmoid FGM Sandwich plates with efficient shear deformation theories has been successfully analyzed and validated.Originality/valueThe temperature distribution across FGM plate under a high thermal environment may be uniform, linear, nonlinear, etc. In practice, temperature variation is an unpredictable phenomenon; therefore, it is essential to have a temperature distribution model which can address a sinusoidal temperature variation too. In the present work, a new sinusoidal temperature rise is proposed to describe the effect of sinusoidal temperature variation over critical buckling temperature for P-FGM and S-FGM Sandwich plates. For the first time, the FGM Sandwich plate is modeled using the sigmoid function to investigate the thermal buckling behavior under the uniform, linear, nonlinear and sinusoidal temperature rise. Nonpolynomial shear deformation theories are utilized to obtain the equilibrium and stability equations for thermal buckling analysis of P-FGM and S-FGM Sandwich plates.

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Resonance interaction of flow-conveying nanotubes under forced vibration

2022

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Vibration and Snapthrough of Fluid-Conveying Graphene-Reinforced Composite Pipes Under Low-Velocity Impact

Cited by 20 publications

References 53 publications

On the impact process and stress field of functionally graded graphene reinforced composite pipes with a viscoelastic interlayer

On the impact process and stress field of functionally graded graphene reinforced composite pipes with a viscoelastic interlayer

Thermal buckling behavior of power and sigmoid functionally graded material sandwich plates using nonpolynomial shear deformation theories

Resonance interaction of flow-conveying nanotubes under forced vibration

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