Iso-Surface

1988 · August 31, 2014, 07:59

hello everyone
what does Iso-Surface mean in tecplot?what does it show?
Is there anyone who knows how they plot these vortical structures in double bends?
thanks

1988 · September 1, 2014, 10:12

there is no idea?

hxaxtma · September 15, 2014, 10:12

For plotting vortical structures there are several ways you can use:

Vorticity, Lambda2 and Q-Criteron are the most common ones. Search on Wikipedia for more information.

Just choose those parameters on isosurface with an adequate isovalue until you can see the vortices you expect.

Durrell4 · September 17, 2014, 13:39

Hi there are several articles on vortex topology at the links below:

Q-criteria macro

Also I have a white paper I can share with you if you are interested. It was too big to upload on with the post.

Durrell4 · September 19, 2014, 12:54

I found the link to the white paper on the subject, but I can't locate the webinar that Scott Imlay and I presented on Lambda2 and Q.

http://download.tecplot.com/docs/Som..._Revisited.pdf

September 17, 2014, 13:39	Lambda 2 and Q-criteria	#4
Durrell4 Member Durrell Rittenberg Join Date: May 2011 Location: Bellevue WA Posts: 38 Rep Power: 15	Hi there are several articles on vortex topology at the links below: Q-criteria macro Also I have a white paper I can share with you if you are interested. It was too big to upload on with the post.

September 19, 2014, 12:54	White paper link	#5
Durrell4 Member Durrell Rittenberg Join Date: May 2011 Location: Bellevue WA Posts: 38 Rep Power: 15	I found the link to the white paper on the subject, but I can't locate the webinar that Scott Imlay and I presented on Lambda2 and Q. http://download.tecplot.com/docs/Som..._Revisited.pdf

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September 1, 2014, 10:12		#2
1988 Senior Member Ali reza Join Date: Mar 2014 Posts: 110 Rep Power: 12	there is no idea?

September 15, 2014, 10:12		#3
hxaxtma Senior Member Join Date: Jan 2014 Posts: 179 Rep Power: 12	For plotting vortical structures there are several ways you can use: Vorticity, Lambda2 and Q-Criteron are the most common ones. Search on Wikipedia for more information. Just choose those parameters on isosurface with an adequate isovalue until you can see the vortices you expect.