hole mesh in a domain

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 November 14, 2010, 01:49 hole mesh in a domain #1 New Member   mojtaba Join Date: Nov 2010 Posts: 25 Rep Power: 6 How can I mesh a hole in a large domain? I want to simulate a release of gas in an open field area, but the area is very large and its length , width and height is about 6000, 2000, and 2000 meter, respectively Last edited by mojtaba1365; November 19, 2010 at 09:05. Reason: spelling falses

 November 18, 2010, 03:28 hole mesh #2 New Member   mojtaba Join Date: Nov 2010 Posts: 25 Rep Power: 6 no one can answer to this question?

 November 18, 2010, 18:18 #3 Member   Allan Walsh Join Date: Mar 2009 Posts: 55 Rep Power: 8 Can you be a bit more specific? Do you have a volume of the dimensions that you specify and want to release gas at a small hole in it? Normally, something like that is not a problem since the cells around the area of release would be be small and cells in other areas relatively larger. So, what are your issues?

 November 19, 2010, 06:31 problem #4 New Member   mojtaba Join Date: Nov 2010 Posts: 25 Rep Power: 6 Thank you for your answer. But my domain is 8 km length , 2 km width and 2 km height. The diameter of hole is 1 m. What is your idea about distance of nodes near the hole and far from it? For example near the hole 10 cm and far from it 100 m ? I want to calculate the concentration of released gas far from the hole. Is this mesh (near the hole 10 cm and far from it 100 m) can evaluate the concentration of released gas truly?

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