CFD general questions

Hello everyone,

i a using star ccm+ for CFD but i could not find a forum for it, for the most i need a special email adress, so i have registered here. I think my questions can be answered.

Can someone tell me how a matrix will look when i am using an upwind process? For example i have 3x3 quadratic fields and the fluid is coming from the left angle (down). What fields would be touched, what fields not and how does the matrix look like?

For the next, i have a wall distance, y+. What properties does it have? Why do i use it and what is advantage or what is it exactly?

I hope someone can give me an answer.

regards

I’m not sure that I can answer this question. You might try cfd-online or contacting CD-adapco.