A Mixed-Mesh and New Angular Space Discretization Scheme of Discontinuous Finite Element Method for Three-Dimensional Radiative Transfer in Participating Media  

Oleh:

Cui, X. ; Li, B. Q.

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Heat Transfer vol. 127 no. 11 (Nov. 2005), page 1236-1244.
Topik: radiative heat transfer; mixed - mesh; angular space; discretization scheme; discontinuous finite element; radiative transfer; media

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ90.10 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

This paper presents a discontinuous finite element method for the numerical solution of internal thermal radiation problems in three - dimensional (3D) geometries using an unstructured mesh of mixed elements. Mathematical formulation, numerical implementation, and computational details are given. The different domain discretization methods are presented, and a new angular space discretization is also given. Numerical examples are presented for 3D radiative transfer in emitting, absorbing, and scattering media. Computed results compare well with analytical solutions whenever available. The localized formulation intrinsic in discontinuous finite elements is considered particularly useful for computational radiation heat transfer in participating media.

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