Problem of negative temperature -- CFD Online Discussion Forums

April 1, 2014, 06:25	Problem of negative temperature	#1
hnemati Member SAM Join Date: Apr 2012 Posts: 74 Rep Power: 14	Dear all I am simulating variable density fluid in a pipe using DNS. For temperature equation I am using Koren Limiter (explicit) for advection part. Since my time step is small I want to send the spanwise derevative of advection to implicit part. When I am doing Central-difference for this implicit part , the temperature in some parts goes negative. I was wondering if someone tell me what the problem is and the solution? Bests

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 Forum Rules

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
[Other] mesh airfoil NACA0012	anand_30	OpenFOAM Meshing & Mesh Conversion	13	March 7, 2022 18:22
Problem with negative volume in CFX	TallesC	CFX	1	February 4, 2013 17:26
Problem when adding temperature to interFoam	houkensjtu	OpenFOAM	4	November 5, 2012 03:35
Problem of negative volume	Anam	FLUENT	10	November 3, 2011 12:07
[CFXv11]fluid temperature distr problem	mactech001	CFX	1	June 10, 2010 09:08

All times are GMT -4. The time now is 21:18.