Thin and sharp edges bodies-fluid interaction simulation using cut-cell immersed boundary method

Sinan Q. Salih, Mohammed Suleman Aldlemy, Mohammad Rasidi Mohammad Rasani, Ahmad Kamal Ariffin Mohd Ihsan, Tuan Mohammad Yusoff Shah Tuan Ya, Nadhir Al-Ansari, Zaher Mundher Yaseen, Kwok Wing Chau

Research output: Contribution to journalArticle

Abstract

This study aims to develop an adaptive mesh refinement (AMR) algorithm combined with Cut-Cell IBM using two-stage pressure–velocity corrections for thin-object FSI problems. To achieve the objective of this study, the AMR-immersed boundary method (AMR-IBM) algorithm discretizes and solves the equations of motion for the flow that involves rigid thin structures boundary layer at the interface between the structure and the fluid. The body forces are computed in proportion to the fraction of the solid volume in the IBM fluid cells to incorporate fluid and solid motions into the boundary. The corrections of the velocity and pressure is determined by using a novel simplified marker and cell scheme. The new developed AMR-IBM algorithm is validated using a benchmark data of fluid past a cylinder and the results show that there is good agreement under laminar flow. Simulations are conducted for three test cases with the purpose of demonstration the accuracy of the AMR-IBM algorithm. The validation confirms the robustness of the new algorithms in simulating flow characteristics in the boundary layers of thin structures. The algorithm is performed on a staggered grid to simulate the fluid flow around thin object and determine the computational cost.

Original languageEnglish
Pages (from-to)860-877
Number of pages18
JournalEngineering Applications of Computational Fluid Mechanics
Volume13
Issue number1
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

Immersed Boundary Method
Body fluids
Adaptive Mesh Refinement
Fluid
Cell
Interaction
Simulation
Fluids
Boundary Layer
Boundary layers
Staggered Grid
Laminar Flow
Laminar flow
Equations of motion
Fluid Flow
Computational Cost
Flow of fluids
Equations of Motion
Proportion
Demonstrations

Keywords

  • adaptive mesh refinement
  • Cut-cell method
  • pressure and velocity corrections
  • thin objects and fluid structure

ASJC Scopus subject areas

  • Computer Science(all)
  • Modelling and Simulation

Cite this

Thin and sharp edges bodies-fluid interaction simulation using cut-cell immersed boundary method. / Salih, Sinan Q.; Aldlemy, Mohammed Suleman; Mohammad Rasani, Mohammad Rasidi; Mohd Ihsan, Ahmad Kamal Ariffin; Ya, Tuan Mohammad Yusoff Shah Tuan; Al-Ansari, Nadhir; Yaseen, Zaher Mundher; Chau, Kwok Wing.

In: Engineering Applications of Computational Fluid Mechanics, Vol. 13, No. 1, 01.01.2019, p. 860-877.

Research output: Contribution to journalArticle

Salih, Sinan Q. ; Aldlemy, Mohammed Suleman ; Mohammad Rasani, Mohammad Rasidi ; Mohd Ihsan, Ahmad Kamal Ariffin ; Ya, Tuan Mohammad Yusoff Shah Tuan ; Al-Ansari, Nadhir ; Yaseen, Zaher Mundher ; Chau, Kwok Wing. / Thin and sharp edges bodies-fluid interaction simulation using cut-cell immersed boundary method. In: Engineering Applications of Computational Fluid Mechanics. 2019 ; Vol. 13, No. 1. pp. 860-877.
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