Abstract
On the basis of the existing density distribution function reconstruction operator, the temperature distribution function reconstruction operator was derived to calculate heat transfer by coupling of the lattice Boltzmann method (LBM) and the finite volume method (FVM). The present coupling method was validated by the 2D natural convection flow in a square cavity with various Rayleigh numbers (Ra) from 103 to 106. The results from the coupling method agree well with those by commercial software FLUENT, and all the physical quantities cross the coupled interface smoothly. According to residual history curves it is likely that the numerical stability of the present method are better than those of the pure LBM at fine grid numbers and high Ra.
| Original language | English |
|---|---|
| Pages (from-to) | 78-83 |
| Number of pages | 6 |
| Journal | Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University |
| Volume | 45 |
| Issue number | 5 |
| State | Published - May 2011 |
Keywords
- Coupling
- Finite volume method
- Lattice Boltzmann method
- Multiscale