Spatial &Temporal differencing scheme impingingjet
 

Hi, I am using HLLC second order upwind spatial discretization scheme for solving supersonic jet impingement problem. My question is regarding the temporal disretization, how do Know which is more appropriate? point jacobi, Gauss-Siedel, Mac-Cormak; R-K? Also where does TVD come in play?

Please help. Thanks

Re: Spatial &Temporal differencing scheme impingin
 

Anyone ...please help

Re: Spatial &Temporal differencing scheme impingin
 

How about the Runge-Kutta schemes?

Re: Spatial &Temporal differencing scheme impingin
 

Hi Jinwon Thanks for the reply. But how do I choose an appropriate temporal scheme? Do you think Runge-Kutta is a better option? And where does TVD come in?

Thanks

Re: Spatial &Temporal differencing scheme impingin
 

In the literature, RK schemes are often recommended to ensure the TVD property. As you may know, the TVD is a numerical property, not a specific technique. There are a great variety of time schemes. I could not say that the RK scheme is the best since it is depending on the requirement.