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Nonlinear Transient Dynamics of Graphene Nanoplatelets Reinforced Pipes Conveying Fluid under Blast Loads and Thermal Environment

Author

Listed:
  • Siyu Liu

    (School of Applied Science, Beijing Information Science and Technology University, Beijing 100192, China)

  • Aiwen Wang

    (School of Applied Science, Beijing Information Science and Technology University, Beijing 100192, China)

  • Wei Li

    (School of Applied Science, Beijing Information Science and Technology University, Beijing 100192, China)

  • Hongyan Chen

    (School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China)

  • Yufen Xie

    (School of Applied Science, Beijing Information Science and Technology University, Beijing 100192, China)

  • Dongmei Wang

    (College of Electronic Information and Automation, Tianjin University of Science & Techonlogy, Tianjin 300222, China)

Abstract

This work aims at investigating the nonlinear transient response of fluid-conveying pipes made of graphene nanoplatelet (GPL)-reinforced composite (GPLRC) under blast loads and in a thermal environment. A modified Halpin–Tsai model is used to approximate the effective Young’s modulus of the GPLRC pipes conveying fluid; the mass density and Poisson’s ratio are determined by using the Voigt model. A slender Euler–Bernoulli beam is considered for modeling the pipes conveying fluid. The vibration control equation of the GPLRC pipes conveying fluid under blast loads is obtained by using Hamilton’s principle. A set of second-order ordinary differential equations are obtained by using the second-order Galerkin discrete method and are solved by using the adaptive Runge–Kutta method. Numerical experiments show that GPL distribution and temperature; GPL weight fraction; pipe length-to-thickness ratio; flow velocity; and blast load parameters have important effects on the nonlinear transient response of the GPLRC pipes conveying fluid. The numerical results also show that due to the fluid–structure interaction, the vibration amplitudes of the GPLRC pipes conveying fluid decay after the impact of blast loads.

Suggested Citation

  • Siyu Liu & Aiwen Wang & Wei Li & Hongyan Chen & Yufen Xie & Dongmei Wang, 2022. "Nonlinear Transient Dynamics of Graphene Nanoplatelets Reinforced Pipes Conveying Fluid under Blast Loads and Thermal Environment," Mathematics, MDPI, vol. 10(13), pages 1-15, July.
    • Handle: RePEc:gam:jmathe:v:10:y:2022:i:13:p:2349-:d:855851
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    Cited by:

    1. Mohammed Sobhy & Fatemah H. H. Al Mukahal, 2022. "Wave Dispersion Analysis of Functionally Graded GPLs-Reinforced Sandwich Piezoelectromagnetic Plates with a Honeycomb Core," Mathematics, MDPI, vol. 10(17), pages 1-22, September.

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