2D unstructured Euler solver -- CFD Online Discussion Forums

August 20, 2004, 05:46	2D unstructured Euler solver	#1
xz Guest Posts: n/a	I have developed a 2D unstructured Euler solver. It uses Roe Scheme (not high order, only first order). Time advancing is done using 4th R-K. I am now testing it with NACA0012 airfoil. When inlet MA=0.8, the code failed because one cell near the sonic point at the upper wall has a negative pressure. Reducing the time step does not help at all. I would like to know if there is anyone who has some experience in dealing with transonic computation. Esp. if the Roe scheme need some modification in transonic flow? Thanks a lot.

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
Question about Euler solver for incompressible flow	qtian	OpenFOAM Running, Solving & CFD	3	March 27, 2018 05:34
OpenCL linear solver for OpenFoam 1.7 (alpha) will come out very soon	qinmaple	OpenFOAM Announcements from Other Sources	4	August 10, 2012 11:00
Help for constructing an Unstructured Incompressible solver	moomba	Main CFD Forum	0	February 25, 2010 15:38
Unstructured Euler Solver	John	Main CFD Forum	3	September 6, 2007 15:34
unstructured VOF flow solver	yann	Main CFD Forum	1	November 13, 2002 04:07

All times are GMT -4. The time now is 21:49.