# Irrotational Flow

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 November 25, 2001, 08:42 Irrotational Flow #1 Sudeep Bosu Guest   Posts: n/a hi Can anybody tell me how to simulate an irrotational(inviscid i am doing at present) flow in fluent.

 November 26, 2001, 06:09 Re: Irrotational Flow #2 Jin-Wook LEE Guest   Posts: n/a Please see, Define-->Model-->Viscous Sincerely, Jinwook

 November 27, 2001, 11:44 Re: Irrotational Flow #3 sudeep Bosu Guest   Posts: n/a hi jin Define-->Model-->Viscous defines only an inviscid flow but not irrotational. So kindly help in this direction. Regards Sudeep Bosu

 November 28, 2001, 12:57 Re: Irrotational Flow #4 Chetan Kadakia Guest   Posts: n/a When flow is irrotational, doesn't that imply it is invsicid? The element of a fluid does not have rotation because there is no viscous sheer force. Am i incorrect (I may be, this is a confusing topic that I have not touched lately). Anyone want to redefine irrotational flow for us?

 November 29, 2001, 11:24 Re: Irrotational Flow #5 Michael Guest   Posts: n/a Irrotational flow is the further simplification of inviscid flow. The assumption is vorticity equals zero. If the velocity field is irrotational, it can be represented simply as the gradient of the scalar function (velocity potential), which leads to Laplace Equation. Hi, Sudeep, if you can solve your problem as inviscid flow problem, why do you want to do it as irrotational flow?

 November 30, 2001, 01:22 Re: Irrotational Flow #6 Sudeep Bosu Guest   Posts: n/a hi michael I am using Fluent to validate a inverse design code i have developed.The code assumes irrotationality but in the Fluent domain i am getting free voticies will distort my surface velocity distribution. Sudeep Bosu

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