Symmetric mesh

arun1994 · December 26, 2017, 12:53

Hello guys,

Been trying to make a nice hex mesh with StarCCM mesher for a film cooling problem. Although the mesh for the " box" region is quite ok, I am not quite getting a smooth axis symmetric mesh for the pipe/channel . when the tube is at 90 degrees , everything is fine, but when I try to mesh for other angles of the channel, the mesh is really bad/ skewed .

http://turbomachinery.asmedigitalcol...01006_f001.png

How can I overcome this problem?

ashokac7 · January 2, 2018, 04:03

You can provide co-ordinate system for mesh. But then your overall mesh will be aligned in specified co-ordinate system. Instead what you can do is make inclined pipe as different region and then apply different mesh continuum for it. Create a co-ordinate system with axial direction as z-axis for that pipe and check the mesh alignment option in mesh continuum. Apply new created co-ordinate system to it. I hope this helps.

December 26, 2017, 12:53	Symmetric mesh	#1
arun1994 Member Arun subramanian Join Date: Jun 2016 Location: Florence,Italy Posts: 48 Rep Power: 10	Hello guys, Been trying to make a nice hex mesh with StarCCM mesher for a film cooling problem. Although the mesh for the " box" region is quite ok, I am not quite getting a smooth axis symmetric mesh for the pipe/channel . when the tube is at 90 degrees , everything is fine, but when I try to mesh for other angles of the channel, the mesh is really bad/ skewed . http://turbomachinery.asmedigitalcol...01006_f001.png How can I overcome this problem?

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January 2, 2018, 04:03		#2
ashokac7 Senior Member Ashok Chaudhari Join Date: Aug 2016 Location: Pune, India Posts: 260 Rep Power: 11	You can provide co-ordinate system for mesh. But then your overall mesh will be aligned in specified co-ordinate system. Instead what you can do is make inclined pipe as different region and then apply different mesh continuum for it. Create a co-ordinate system with axial direction as z-axis for that pipe and check the mesh alignment option in mesh continuum. Apply new created co-ordinate system to it. I hope this helps.