Gradually increase cell sizes -- CFD Online Discussion Forums

April 19, 2021, 05:38

Gradually increase cell sizes

oysteinb

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Join Date: Feb 2021

Posts: 3

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Hi!

I have a question regarding volume mesh controls. I have a volume mesh of a model of about 150 buldings in Oslo with quite a large domain. (See Picture 1) What I want to know is how this can be changed to have smaller cell sizes towards the bottom, and larger towards the top (meaning it should be almost the same number of cell sizes). I've added an example of how I want the mesh to be (see Picture 2). Is there a way to control this?

I hope the question was clear, if not, let me know and I will explain further.

Regards
Øystein

Attached Images

	Picture 1.jpg (142.0 KB, 20 views)
	Picture 2.JPG (19.2 KB, 20 views)

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