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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: caohan

Forum: FLUENT April 13, 2010, 14:36

Replies: 9 Residual problem of 2D airfoil simulation Views: 3,783 Posted By caohan yes, I set the AOA by changing the velocity... yes, I set the AOA by changing the velocity vector, if I rotate the airfoil and let it become vertically with the grid not horizontally, is it better than changing the velocity vector in boundary...

Forum: FLUENT April 13, 2010, 12:08

Replies: 9 Residual problem of 2D airfoil simulation Views: 3,783 Posted By caohan Hi Chris Thank you so much, I would try to... Hi Chris Thank you so much, I would try to stretch the grid with 20c domain, by the way, my AOA is 90 degree, does the big AOA cause the oscillation and have nothing to do with the mesh?

Forum: FLUENT April 13, 2010, 08:20

Replies: 9 Residual problem of 2D airfoil simulation Views: 3,783 Posted By caohan Hi Chris Thank you for you reply, now I expand... Hi Chris Thank you for you reply, now I expand my domain, it is 40 times of the chord length, but still the result oscillates, does it mean the domain is still not big enough? I have nothing to do...

Forum: FLUENT April 11, 2010, 05:31

Replies: 9 Residual problem of 2D airfoil simulation Views: 3,783 Posted By caohan Hi do how can I check the chords around the airfoil, by the way, my computational domain is 20 times of the chord length, is it big engough? I will try a bigger domain for large AOA and see what will be...

Forum: FLUENT April 10, 2010, 11:28

Replies: 9 Residual problem of 2D airfoil simulation Views: 3,783 Posted By caohan Residual problem of 2D airfoil simulation Hi all I met a puzzle when I am doing a 2d airfoil in different AOA, the reynolds number is 30000, boundary condition is pressure far field, chord length is 1m. solver is implicit density based,...

Showing results 1 to 5 of 5

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