A NUMERICALLY CONSISTENT MULTIPHASE POISEUILLE FLOW COMPUTATION BY A NEW PARTICLE METHOD

Authors

  • K. C. Ng Center of Fluid Dynamics, Department of Mechanical Engineering, Universiti Tenaga Nasional, Jalan IKRAM-UNITEN, 43000 Kajang, Selangor, Malaysia
  • Y. H. Hwang Department of Marine Engineering, National Kaohsiung Marine University, Kaohsiung 805, Taiwan
  • T. W. H. Sheu Center for Advanced Studies in Theoretical Sciences (CASTS), National Taiwan University, Taipei, Taiwan
  • M. Z. Yusoff Center of Fluid Dynamics, Department of Mechanical Engineering, Universiti Tenaga Nasional, Jalan IKRAM-UNITEN, 43000 Kajang, Selangor, Malaysia

DOI:

https://doi.org/10.11113/jt.v76.5629

Keywords:

Poiseuille flow, particle method, Moving Particle Semi-implicit (MPS), Moving Particle Pressure Mesh (MPPM), multiphase flow, CFD

Abstract

Recently, there is a rising interest in simulating fluid flow by using particle methods, which are mesh-free. However, the viscous stresses (or diffusion term) appeared in fluid flow governing equations are commonly expressed as the second-order derivatives of flow velocities, which are usually discretized by an inconsistent numerical approach in a particle-based method. In this work, a consistent method in discretizing the diffusion term is implemented in our particle-based fluid flow solver (namely the Moving Particle Pressure Mesh (MPPM) method). The new solver is then used to solve a multiphase Poiseuille flow problem. The error is decreasing while the grid is refined, showing the consistency of our current numerical implementation.

References

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Published

2015-09-27

Issue

Vol. 76 No. 8: Robotic, Mechatronics & Computer Engineering

Section

Science and Engineering

License

Copyright of articles that appear in Jurnal Teknologi belongs exclusively to Penerbit Universiti Teknologi Malaysia (Penerbit UTM Press). This copyright covers the rights to reproduce the article, including reprints, electronic reproductions, or any other reproductions of similar nature.

How to Cite

A NUMERICALLY CONSISTENT MULTIPHASE POISEUILLE FLOW COMPUTATION BY A NEW PARTICLE METHOD. (2015). Jurnal Teknologi, 76(8). https://doi.org/10.11113/jt.v76.5629