2022
DOI: 10.1007/s10494-022-00379-x
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Large–Eddy Simulation of the Flow Inside a Scour Hole Around a Circular Cylinder Using a Cut Cell Immersed Boundary Method

Abstract: We present a novel symmetry-preserving cut cell finite volume method which is a three-dimensional generalisation of the method by Dröge and Verstappen (Int J Numer Method Fluids 47:979–985, 2005). A colour-coding scheme for the three-dimensional cut momentum cell faces reduces the number of possible cut cell configurations. A cell merging strategy is employed to alleviate time step constraints. We demonstrate the energy conservation property of the convective and pressure gradient terms, and the second-order s… Show more

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Cited by 2 publications
(2 citation statements)
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“…MGLET is based on a finite volume formulation of the incompressible Navier-Stokes equations, and uses a staggered Cartesian grid (Manhart 2004). Solid bodies are introduced through an immersed boundary method (Peller et al 2006), where the boundary is discretised using a cut-cell approach (Unglehrt et al 2022). A third-order low-storage explicit Runge-Kutta time integration scheme is used for time stepping, and the Poisson equation is solved using an iterative, strongly implicit procedure.…”
Section: Governing Equations and Numerical Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…MGLET is based on a finite volume formulation of the incompressible Navier-Stokes equations, and uses a staggered Cartesian grid (Manhart 2004). Solid bodies are introduced through an immersed boundary method (Peller et al 2006), where the boundary is discretised using a cut-cell approach (Unglehrt et al 2022). A third-order low-storage explicit Runge-Kutta time integration scheme is used for time stepping, and the Poisson equation is solved using an iterative, strongly implicit procedure.…”
Section: Governing Equations and Numerical Methodsmentioning
confidence: 99%
“…2006), where the boundary is discretised using a cut-cell approach (Unglehrt et al. 2022). A third-order low-storage explicit Runge–Kutta time integration scheme is used for time stepping, and the Poisson equation is solved using an iterative, strongly implicit procedure.…”
Section: Flow Problem Formulation and Computational Aspectsmentioning
confidence: 99%