Immersed Boundary Lattice Green Function methods for External Aerodynamics

Gianmarco Mengaldo (1) , Sebastian Liska (1) , Ke Yu (1) , Tim Colonius (1) , Thierry Jardin (2)

1 CALTECH - California Institute of Technology
2 DAEP - Département Aérodynamique Energétique et Propulsion

In this paper, we document the capabilities of a novel numerical approach - the immersed boundary lattice Green's function (IBLGF) method - to simulate external incompressible flows over complex geometries. This new approach is built upon the immersed boundary method and lattice Green's functions to solve the incompressible Navier-Stokes equations. We show that the combination of these two concepts allows the construction of an efficient and robust numerical framework for the direct numerical and large-eddy simulation of external aerodynamic problems at moderate to high-Reynolds numbers.

Mots clés: Lattice Green Function; Aerodynamics

Domaines: Mécanique des fluides [physics.class-ph]

Gianmarco Mengaldo, Sebastian Liska, Ke Yu, Tim Colonius, Thierry Jardin. Immersed Boundary Lattice Green Function methods for External Aerodynamics. 23rd AIAA Computational Fluid Dynamics Conference, Jun 2017, Denver, United States. pp. 1-15. ⟨hal-01661766⟩