How calculate the k-epsilon, omega on wall (formula)

Jamamoto takasi · September 27, 2015, 17:25

hallo every one, How do calculate the epsilon, k , as nut on wall
such as,

wall1
{
type epsilonWallFunction;
value uniform ???;
}
I confused with the formula to calculate them.

Thanks

Takasi

nimasam · September 28, 2015, 03:36

the magnitude of value in

Code:

type         epsilonWallFunction;

is not important, you can assign any value

, because it is only in use at first iteration and is considered as place holder. in other iterations, it is calculated during runtime in code.

Jamamoto takasi · September 28, 2015, 04:22

Quote:

Originally Posted by nimasam

the magnitude of value in

Code:

type         epsilonWallFunction;

is not important, you can assign any value

, because it is only in use at first iteration and is considered as place holder. in other iterations, it is calculated during runtime in code.

Thank for your help.

Takasi.

September 27, 2015, 17:25	How calculate the k-epsilon, omega on wall (formula)	#1
Jamamoto takasi New Member jamamoto takasi Join Date: Jul 2015 Posts: 11 Rep Power: 11	hallo every one, How do calculate the epsilon, k , as nut on wall such as, wall1 { type epsilonWallFunction; value uniform ???; } I confused with the formula to calculate them. Thanks Takasi

September 28, 2015, 03:36		#2
nimasam Senior Member Nima Samkhaniani Join Date: Sep 2009 Location: Tehran, Iran Posts: 1,267 Blog Entries: 1 Rep Power: 25	the magnitude of value in Code: type epsilonWallFunction; is not important, you can assign any value , because it is only in use at first iteration and is considered as place holder. in other iterations, it is calculated during runtime in code. Jamamoto takasi likes this. __________________ My Personal Website (http://nimasamkhaniani.ir/) Telegram channel (https://t.me/cfd_foam)

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