CFD Online Discussion Forums - Question about 'negative cell'

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Anna Tian

September 7, 2012 04:06

Question about 'negative cell'

Hi,

May I ask what does 'negative cell' mean in Autogrid?

oldshoes81

September 11, 2012 22:01

Hi Anna,

It is a so call "negative volume" cell. The cell must have been distorted due to the compression.

Anna Tian

September 12, 2012 04:11

Quote:

Originally Posted by oldshoes81 (Post 381307)

Hi Anna,

It is a so call "negative volume" cell. The cell must have been distorted due to the compression.

Thanks. May I ask what do you mean by 'compression' here?

oldshoes81

September 12, 2012 04:46

Hi Anna,

When you have too many mesh within your domain, the domain may not been seem to allocate more mesh and if you insist to increase the cell, this will tend to deform the mesh.

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