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-   -   What is the influence of Courant number, the diffusion number and the Péclet number.. (https://www.cfd-online.com/Forums/main/134686-what-influence-courant-number-diffusion-number-peclet-number.html)

bilal8700 May 3, 2014 23:04
What is the influence of Courant number, the diffusion number and the Péclet number..
 
What is the influence of Courant number, the diffusion number and the Péclet number on the behavior of the numerical solution?

FMDenaro May 4, 2014 03:37
Quote:
Originally Posted by bilal8700 (Post 489669)
What is the influence of Courant number, the diffusion number and the Péclet number on the behavior of the numerical solution?
Generally the function CFL(Peh) defines a stability region for your numerical algorithm. All values within the stability region ensure the stability of the solution as well as low cfl and low Peh number ensure a better quality of the solution


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