CFD Online Logo CFD Online URL
Home > Forums > Main CFD Forum

DNS of homogeneous shear flow: comments please!

Register Blogs Members List Search Today's Posts Mark Forums Read

LinkBack Thread Tools Display Modes
Old   September 11, 2002, 19:33
Default DNS of homogeneous shear flow: comments please!
Posts: n/a
Dear DNS community:

First, I am brand new to DNS; this is the first problem I am trying to solve.

I've done a literature search about the details of DNS for homogeneous shear flows. I've put together my notes into a MS Word document. The document describes the development of the equations that (I think) are actually programmed: starting with the general governing equations for the fluctuating velocity. Most of the content is from Rogallo (1977, 1981) and Canuto et al. (1988). This is only a first draft, but I'd like to get a response from anyone that has experience in DNS of homogeneous shear flows.

The main thing I am concerned about are the steps that I list, at the end of the document, to solve the problem. They are very general, and I want to know if I am leaving any major logical step out. I'm not concerned at this point about details of the step size, control of aliasing errors, or re-meshing the domain.

If anyone sees errors in the development of the final equations or if you know of a more robust and efficient way of setting up the equations, I would very much appreciate a response.

As I said, the file is a MS Word document prepared on a Macintosh. It will open on a PC though. If it is more convenient for me to post it as a PDF file, let me know, I could probably do that too.

The link for the file is on the page: (It is the only link on the page)

Thanks in advance for any comments you may have.

Cheers, ff_fan

  Reply With Quote

Old   September 12, 2002, 02:28
Default Re: DNS of homogeneous shear flow: comments please
Posts: n/a
The equations after the coordinate transformation can be found in Jacobitz et al. (1997), JFM 342, pp. 231-261. Actually, I am doing DNS of homogeneous shear flow right now. It is, however, not very easy to do something new in this area. A lot has been publiced on this topic already.

By the way, I am not able to read word-documents.

  Reply With Quote


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
interFoam - stratified flow - problem with shear stress at interface AnjaMiehe OpenFOAM Running, Solving & CFD 8 June 14, 2010 06:49
shear force and flow direction ingear Siemens 0 March 3, 2006 15:13
Can 'shock waves' occur in viscous fluid flows? diaw Main CFD Forum 104 February 16, 2006 06:44
shear stress in 2-D flow Ossi Siemens 1 February 1, 2002 11:11
Inviscid Drag at subsonic, subcritical Mach # Axel Rohde Main CFD Forum 1 November 19, 2001 13:19

All times are GMT -4. The time now is 10:21.