CAA lab :: computations
Computational Aerodynamics & Aeroacoustics Laboratory
Keldysh Institute of Applied Mathematics of RAS
 
4, Miusskaya Sq., Moscow, 125047, Russia, phone: (7 499) 2207218
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Simulation of aeroacoustic problems using scale-resolving approaches

DNS round jet & cylinder

Re=14000, Mach=0.3, non-structured mesh of 10000000 nodes, high-order vertex-centered scheme. This DNS has been performed in KIAM RAS by A. Gorobets, I. Abalakin and T. Kozubskaya on Lomonosov supercomputer of MSU using 1024 CPU cores, 2010.

Turbulent transonic flow over wedge with back facing step

Re=7.2e6 (based on the length of plate upstream back step leading edge and inflow velocity), M=0.913. Computed using research code NOISEtte. Approach: hybrid RANS-LES IDDES (based on Spalart-Allmaras turbulence model). Numerical scheme: higher accuracy EBR scheme. Mesh size: 26M nodes.

Turbulent flow over M219 cavity

Re=1.37e6 (based on cavity depth and inflow velocity), M=0.85. [de Henshaw, QinetiQ, 2002] Computed using research code NOISEtte. Approach: hybrid RANS-LES IDDES (based on Spalart-Allmaras turbulence model). Numerical scheme: higher accuracy EBR scheme. Mesh size: 4M nodes.

Transonic turbulent separated flow behind axisymmetric afterbodies

Re=1.2e6 (based on first cylinder diameter and inflow velocity), M=0.7. [Depres and Reijaasse, AIAA J., 2004] Computed using research code NOISEtte. Approach: hybrid RANS-LES DDES (based on Spalart-Allmaras turbulence model). Numerical scheme: higher accuracy EBR scheme. Mesh size: 8.1M nodes (120 nodes over azimuthal direction).

Subsonic immersed unheated round jet

Re=1.1e6 (based on nozzle diameter and jet velocity), M=0.9. The computational setup is provided by M.Kh. Strelets and M.L. Shur from SPbPU. Computed using research code NOISEtte. Approach: hybrid RANS-LES DDES (based on Spalart-Allmaras turbulence model). Numerical scheme: higher accuracy EBR scheme. Mesh size: 8.8M nodes (160 nodes in azimuthal direction). Number of CPU cores: 700 (Lomonosov-2 supercomputer).

Hot underexpanded round jet

Re=1.27e6 (based on nozzle diameter and jet fully expanded velocity), M=2.2. The computational setup is provided by M.Kh. Strelets and M.L. Shur from SPbPU. Computed using research code NOISEtte. Approach: hybrid RANS-LES DDES (based on Spalart-Allmaras turbulence model). Numerical scheme: higher accuracy hybrid WENO-EBR scheme. Mesh size: 4.55M nodes (80 nodes in azimuthal direction). Number of CPU cores: 768 (Sarov supercomputer).

Hot underexpanded round jet: turbulence+acoustics

Re=1.27e6 (based on nozzle diameter and jet fully expanded velocity), M=2.2. The computational setup is provided by M.Kh. Strelets and M.L. Shur from SPbPU. Computed using research code NOISEtte. Approach: hybrid RANS-LES DDES (based on Spalart-Allmaras turbulence model). Numerical scheme: higher accuracy hybrid WENO-EBR scheme. Mesh size: 4.55M nodes (80 nodes in azimuthal direction). Number of CPU cores: 768 (Sarov supercomputer).

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