Dynamic adaptive mesh refinement of fluid-structure interaction using immersed boundary method with two-stage corrections

M. S. Aldlemy, M. R. Rasani, T. M.Y.S. Tuan, A. K. Ariffin

Research output: Contribution to journalArticle

Abstract

The application of the Immersed Boundary Method (IBM) coupled with Adaptive Mesh Refinement (AMR) is considered to be one of the powerful tools for solving complex viscous incompressible flow problems. In this paper, the Kajishima-cut-cell IBM is combined with AMR to solve the flow of complex incompressible, viscous fluid, and rigid body problems. In the IBM, the solid and fluid motions at the interface are controlled by a body force that can be calculated with a fraction of solid volume. The objective is to develop an automatic adaptive mesh refinement strategy to enhance the solution in proximity to the fluid-structure interface. This is necessary as the flow field might be significantly affected by the structure boundaries; therefore, it is essential to capture the boundary layers precisely. The capability of this method can be demonstrated through computational results to improve the flow resolution near the fluid structure. The proposed approach is validated using a 2D laminar flow numerical example. The approach is validated in terms of accuracy and performance. The combined IBM-Adaptive mesh refinement approach showed a promising outcome for the investigated problem. The result of the implemented method achieved an acceptable error performance within a reasonably low computation time.

Original languageEnglish
Pages (from-to)2872-2883
Number of pages12
JournalScientia Iranica
Volume26
Issue number5 B
DOIs
Publication statusPublished - 1 Jan 2019

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Fluid structure interaction
Fluids
Incompressible flow
Laminar flow
Flow fields
Boundary layers

Keywords

  • Adaptive mesh refinement
  • Fluid
  • Immersed boundary method
  • Stage correction
  • Structure interaction
  • Two

ASJC Scopus subject areas

  • Engineering(all)

Cite this

Dynamic adaptive mesh refinement of fluid-structure interaction using immersed boundary method with two-stage corrections. / Aldlemy, M. S.; Rasani, M. R.; Tuan, T. M.Y.S.; Ariffin, A. K.

In: Scientia Iranica, Vol. 26, No. 5 B, 01.01.2019, p. 2872-2883.

Research output: Contribution to journalArticle

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