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W component of the momentum equation and its validity in 2D simulations

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Old   April 9, 2014, 12:11
Default W component of the momentum equation and its validity in 2D simulations
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In a "2D simulation" how important is it to achieve satisfactory convergence in the linear solver for the W component of the momentum equation?

In the linear solver if I have an "ok" for the w momentum (as apposed to OK) is this acceptable? Will there be any knock on effects to the u and v components which are more important?

(When you read the momentum equations you can see u, v and w are clearly intertwined! But is the w component able to significantly effect the result if the domain is only one cell thick in the w direction!)
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Old   April 9, 2014, 20:01
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It is not very important to get the linear solver to converge on w. So if you have "ok" rather than "OK" then I would not be concerned.
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Old   April 10, 2014, 04:16
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Thanks for the reply.
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