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Numerical Simulations of the Square Lid Driven Cavity Flow of Bingham Fluids Using Nonconforming Finite Elements Coupled with a Direct Solver

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  • R. Mahmood
  • N. Kousar
  • M. Yaqub
  • K. Jabeen

Abstract

In this paper, numerical simulations are performed in a single and double lid driven square cavity to study the flow of a Bingham viscoplastic fluid. The governing equations are discretized with the help of finite element method in space and the nonconforming Stokes element is utilized which gives 2nd-order accuracy for velocity and 1st-order accuracy for pressure. The discretized systems of nonlinear equations are treated by using the Newton method and the inner linear subproablems are solved by the direct solver UMFPACK. A qualitative comparison is done with the results reported in the literature. In addition to these comparisons, some new reference data for the kinetic energy is generated. All these implementations are done in the open source software package FEATFLOW which is a general purpose finite element based solver package for solving partial differential equations.

Suggested Citation

  • R. Mahmood & N. Kousar & M. Yaqub & K. Jabeen, 2017. "Numerical Simulations of the Square Lid Driven Cavity Flow of Bingham Fluids Using Nonconforming Finite Elements Coupled with a Direct Solver," Advances in Mathematical Physics, Hindawi, vol. 2017, pages 1-10, March.
    • Handle: RePEc:hin:jnlamp:5210708
    DOI: 10.1155/2017/5210708
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    Cited by:

    1. Amzad Hossain & Md. Mamun Molla & Md. Kamrujjaman & Muhammad Mohebujjaman & Suvash C. Saha, 2023. "MHD Mixed Convection of Non-Newtonian Bingham Nanofluid in a Wavy Enclosure with Temperature-Dependent Thermophysical Properties: A Sensitivity Analysis by Response Surface Methodology," Energies, MDPI, vol. 16(11), pages 1-39, May.

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