CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > General Forums > Main CFD Forum

Conservative TVD or WENO scheme?

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   July 9, 2004, 14:11
Default Conservative TVD or WENO scheme?
  #1
Wen Long
Guest
 
Posts: n/a
Hi,

I'm using TVD-RK and WENO scheme to simulate shock wave.

But seems it's not very good at mass conservation, does any one have idea of Conservative TVD/WENO/ENO scheme?

Thanks

Wen
  Reply With Quote

Old   July 9, 2004, 14:46
Default Re: Conservative TVD or WENO scheme?
  #2
Junseok Kim
Guest
 
Posts: n/a
Take a look at the paper, Journal of computational physics, 150, 561-594 (1999).

A high-order weno finite difference scheme for the equations of ideal magnetohydrodynamics.

Junseok
  Reply With Quote

Old   July 9, 2004, 17:23
Default Re: Conservative TVD or WENO scheme?
  #3
ag
Guest
 
Posts: n/a
When you say that it's not good at mass conservation, what exactly do you mean? In my experience, failure to conserve mass indicate problems in the solver, not the algorithm. Have you done a free-stream conservation check with your solver?
  Reply With Quote

Old   July 9, 2004, 17:40
Default Re: Conservative TVD or WENO scheme?
  #4
Wen Long
Guest
 
Posts: n/a
Kim and Ag:

Oh, I guess I made mistake on the code. Now my code does conserve mass. I was taking weighted values of the backword flux difference, rather than the flux it self.

The Jiang And Wu paper helped me out.

Thanks,

Wen

  Reply With Quote

Reply


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 Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
TVD vs. WENO meda Main CFD Forum 0 November 3, 2009 14:21
WENO SCHEME BASICS Help Required!!! John Main CFD Forum 1 January 18, 2007 04:16
Finite Volume WENO Scheme DSS Main CFD Forum 3 January 15, 2007 04:47
Flux splitting for WENO scheme DSS Main CFD Forum 6 January 10, 2007 11:59
TVD student Main CFD Forum 6 September 9, 2002 10:19


All times are GMT -4. The time now is 03:28.