# Law-of-the-wall and Wall functions

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 September 11, 2002, 04:50 Law-of-the-wall and Wall functions #1 Bo Busk Jensen Guest   Posts: n/a Hallo All A very simple question. Using standard k-e models the near-wall region should be described by.... 1) is it described by a wall function that use what is stated in the law-of-the-wall 2) is it described by the law-of-the-wall Are wall functions a general term for different ways of treating what is inside y+ 30, where the law-of-the-wall is one way to do it?? Regards Bo

 September 11, 2002, 07:29 Re: Law-of-the-wall and Wall functions #2 Abhi Guest   Posts: n/a hi i can probably answer you but i didn't understand ur questin. Can you please clearly tell again?

 September 11, 2002, 08:13 Re: Law-of-the-wall and Wall functions #3 Bo Busk Jensen Guest   Posts: n/a Hallo All A very simple question. Using standard k-e models the near-wall region should be described by.... 1) a wall function that use the law-of-the-wall 2) the law-of-the-wall Are wall functions a general term for different ways of treating what is inside y+ = 30?? Regards Bo

 September 11, 2002, 09:06 Re: Law-of-the-wall and Wall functions #4 Jim Park Guest   Posts: n/a My understanding is that: 1. "Wall functions" are a way of modeling the complex turbulent fluid behavior very near a solid wall that bounds a turbulent flow, and 2. The "law of the wall" is the result of many careful measurements of one configuration of turbulent flow, the flow over a flat plate. So, there is the general technique and a particular example.

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