Random Flow Generation Technique for Large Eddy Simulations and Particle-Dynamics Modeling  

Oleh:

Smirnov, A. ; Shi, S. ; Celik, I.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Fluids Engineering vol. 123 no. 2 (2001), page 359-371.
Topik: large eddy simulation; random flow; generation technique; large eddy simulations; particle; modeling

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ89.2 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

A random flow generation (RFG) technique is presented, which can be used for initial / inlet boundary generation in LES (Large - Eddy - Simulations) or particle tracking in LES / RANS (Reynolds - Averaged Navier - Stokes) computations of turbulent flows. The technique is based on previous methods of synthesizing divergence - free vector fields from a sample of Fourier harmonics and allows to generate non - homogeneous anisotropic flow field representing turbulent velocity fluctuations. It was validated on the cases of boundary layer and flat plate flows. Applications of the technique to LES and particle tracking are considered.

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