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Forum: Main CFD Forum

November 18, 2010, 08:21

Replies: 2

Confusion about non-dimensionalization of NS eqns

Views: 1,616

Posted By quarkz

Thanks sbaffini. I saw the NS eqns with St in a...

Thanks sbaffini. I saw the NS eqns with St in a JCP paper which talks about simulating flapping wing in cartesian grid. In the paper, St= fL/U. f is an imposed freq, L and U are the length and...

Forum: Main CFD Forum

November 17, 2010, 08:40

Replies: 2

Confusion about non-dimensionalization of NS eqns

Views: 1,616

Posted By quarkz

Confusion about non-dimensionalization of NS eqns

Hi,

It seems that depending on how the NS equations are non-dimensionalized, I can end up with 2 different eqns.

(*) denotes non-dimension

If I use

1. u(*)=u/(u infinity)
2. x(*)=x/c,...

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