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This study presents the development and validation of immersed boundary method (IBM) to simulate high-speed compressible flows. A direct forcing immersed boundary solver is implemented in blastFOAM within the framework of OpenFOAM. The hyperbolic flux terms in the governing equations are treated with Kurganov scheme. The boundary conditions are imposed by locally reconstructing the primary flow parameters at the neighboring Immersed Boundary (IB) points through second-order polynomial interpolation schemes. A simple test case, i.e., 2D supersonic flow over a wedge is considered to validate the high-speed flow solver. The numerical results obtained agree well with the compressible flow solver available in OpenFOAM, i.e., rhoCentralFoam.

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Development of Immersed Boundary Method for High-Speed Compressible Flows in OpenFOAM

  • 会议论文

  • 发表日期：

    2025年

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  • Punit Pandey,
  • Naveen Kumar,
  • Ankit Bansal,
  • Krishna Mohan Singh

摘要

This study presents the development and validation of immersed boundary method (IBM) to simulate high-speed compressible flows. A direct forcing immersed boundary solver is implemented in blastFOAM within the framework of OpenFOAM. The hyperbolic flux terms in the governing equations are treated with Kurganov scheme. The boundary conditions are imposed by locally reconstructing the primary flow parameters at the neighboring Immersed Boundary (IB) points through second-order polynomial interpolation schemes. A simple test case, i.e., 2D supersonic flow over a wedge is considered to validate the high-speed flow solver. The numerical results obtained agree well with the compressible flow solver available in OpenFOAM, i.e., rhoCentralFoam.