|April 3, 2009, 02:59||
Help needed with Cornell's Gambit airfoil tutorial
Join Date: Apr 2009
Posts: 26Rep Power: 9
Ok im new to Gambit or any other CFD software. But im required to use this fro my project. Hope to get some help here.
I tried a couple of times creating the mesh using the airfoil SG6042 .with the tutorial from Cornell University. But i keep running into a problem with the point G which is created at the tail of the airfoil.
The problem is that i cannot subtract the airfoil from the semicircle portion. It gives the error : "ACIS error 8029:inconsistent edge face relationships". If i were to shift it a little i could subtract it but meshing takes a long time and i can only do it using PAVE method not MAP.
The tutorial is found here
Is there a way around the vertex point G. I tried using the same airfoil given it has such problems too. Somtimes vetices gets deleted. Thank you.
Last edited by Arti; April 3, 2009 at 03:17.
|April 3, 2009, 14:09||
Join Date: Mar 2009
Posts: 3,145Rep Power: 32
I assume there is a problem with the fact that G belongs to the airfoil and also to the semi circle
Substract the airfoil from the whole big domain (ABCDEFA).
Then once it is substrated (ie the airfoil is a hole --> shaded mode), you have to split the face along the edge (AE), G is aligned on this edge.
And then the same wit (GC).
It should be ok
|May 30, 2009, 03:40||
2Dairfoil balde in gambit
I am having trouble meshing 2D boundary layers in Gambit. The geometry I am working with is the wind airfoil. I have flow inlet and outlet, and inlet/outlet is planar and roughly rectangular. The entire geometry is a sort of rectangular shaped outer airfoil. I can create but when I use the "View 2D Boundary Layer" tool in Gambit, my boundary layers will not even appear in the selection list and cannot be added by shift-left-clicking on them. Does anyone know why they cannot be added to the list?
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