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

Unusual oscillation in my MHD simulation result

Register Blogs Community New Posts Updated Threads Search

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   June 6, 2019, 08:05
Question Unusual oscillation in my MHD simulation result
  #1
New Member
 
Join Date: Jun 2019
Posts: 1
Rep Power: 0
nothingts is on a distinguished road
Hello,

I am now working on a code solving a MHD equation with Newton-Krylov method. The code based on finite difference method and I selected 2-order central scheme for spacial discretization. The simulation result seems ok in first 500 step, but a "so ugly oscillation" appears while the computation continue(shown in the attachment). So, is the central difference not an appropriate scheme for the nonlinear hyperbolic problem and caused the terrible result for the numerical dispersion?
diver.gif
Thanks a lot.
nothingts is offline   Reply With Quote

Reply

Tags
finite-difference


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
Simulation Problem Where Suddenly Finished With No Result Produced PeiSan Fidelity CFD 4 August 21, 2014 08:06
Wrong Result from Simulation...using Autodesk Project Falcon.. addy01 Main CFD Forum 3 March 4, 2013 06:41
transient simulation result file (.trn) ? amine CFX 3 June 14, 2008 06:01
how to make sure the simulation result is correct? sham81 CFX 3 March 22, 2004 17:41
TASCflow simulation result problem? Mason CFX 0 February 22, 2004 08:54


All times are GMT -4. The time now is 14:57.