Rayleigh Benard convection theory

Critical Rayleigh number



I . Definition

II . Determination - Grid influence

II-1 . Structured grid
II-2 . Unstructured grid

Number of convection rolls



I . Influence of the Rayleigh number

II . Influence of the initial conditions

III . Influence of the geometry

Turbulence models



I . Introduction

II . k- e model

II-1 . Description
II-2 . Results

III . RNG k- e model

III-1 . Description
III-2 . Results