Creating a hybrid mesh for a 2D wing

daldry · August 7, 2017, 08:12

Hi,
What is the best method to have such mesh?

deyaa.nabil · August 8, 2017, 08:13

بسم الله الرحمن الرحيم

What did you mean by tetrahedral cells around the trailing edge ?

If you mean the rear upper and lower small connectors illustrated on the attached figure

I advice you to split the full domain with a vertical line or extrude only the upper and lower structured part and select the BC to be constant x ,which achieves the splitting between quadrilateral and tetrahedral elements.

else if you mean TE point ,when using T-Rex
selecting full layer = 0 --> multiple normal will starting from TE
selecting full layer = 1 --> single normal will starting from TE

Try all and show what is the highest minimum included angle

All praise is due to Allah

best wishes

daldry · August 8, 2017, 15:47

Thank you for the reply.

The issue is ,when I create a block using the farfield domains and the wing's walls, then try to initialize the block using T-REX, it doesn't work, I can see the extrusion working, till everything around the wing is red, then an error message says that the entity couldn't be initilized.

August 7, 2017, 08:12	Creating a hybrid mesh for a 2D wing	#1
daldry New Member Join Date: Feb 2013 Posts: 8 Rep Power: 13	Hi, What is the best method to have such mesh? Last edited by daldry; August 17, 2017 at 05:44.

August 8, 2017, 08:13	To wards the best , God with the patient	#2
deyaa.nabil New Member AboAhmad Join Date: Jul 2014 Location: DSCU Posts: 7 Rep Power: 11	بسم الله الرحمن الرحيم What did you mean by tetrahedral cells around the trailing edge ? If you mean the rear upper and lower small connectors illustrated on the attached figure I advice you to split the full domain with a vertical line or extrude only the upper and lower structured part and select the BC to be constant x ,which achieves the splitting between quadrilateral and tetrahedral elements. else if you mean TE point ,when using T-Rex selecting full layer = 0 --> multiple normal will starting from TE selecting full layer = 1 --> single normal will starting from TE Try all and show what is the highest minimum included angle All praise is due to Allah best wishes daldry likes this.

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August 8, 2017, 15:47		#3
daldry New Member Join Date: Feb 2013 Posts: 8 Rep Power: 13	Thank you for the reply. The issue is ,when I create a block using the farfield domains and the wing's walls, then try to initialize the block using T-REX, it doesn't work, I can see the extrusion working, till everything around the wing is red, then an error message says that the entity couldn't be initilized.