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Search took 0.00 seconds. Search: Posts Made By: fluentnoob
Forum: FLUENT June 19, 2009, 16:46
Replies: 14
Views: 5,853
Posted By fluentnoob
Aah..yes. About that, what range do these...

Aah..yes. About that, what range do these values(roughness height, roughness constant) lie in? I mean how do enter the value of the roughness height? Is there any page on the internet which gives the...
Forum: FLUENT June 19, 2009, 16:11
Replies: 14
Views: 5,853
Posted By fluentnoob
Are you freaking kidding me? Thank you for your...

Are you freaking kidding me? Thank you for your replies. I love it when people actually try and help others over here :) And yes, I think you are right. The answer, it maybe right. And in the lab I'm...
Forum: FLUENT June 19, 2009, 10:03
Replies: 14
Views: 5,853
Posted By fluentnoob
Hey Mystic, I tried modeling the Sphere...

Hey Mystic,

I tried modeling the Sphere like you suggested me to. I looked up on the forum and came across this thread....
Forum: FLUENT June 19, 2009, 04:27
Replies: 14
Views: 5,853
Posted By fluentnoob
Hi Mystic, Thanks for taking out time to...

Hi Mystic,

Thanks for taking out time to reply to my post. :)

I dont think I can increase the domain size, because as it is, I have 2.1 Million cells and when I go up from this number, FLUENT...
Forum: FLUENT June 17, 2009, 12:30
Replies: 14
Views: 5,853
Posted By fluentnoob
Please please help me out. Someone..also, this is...

Please please help me out. Someone..also, this is the link to the velocity profile which I get for the vehicle after the solution has converged. ...
Forum: FLUENT June 17, 2009, 07:11
Replies: 14
Views: 5,853
Posted By fluentnoob
On second thoughts, as the vehicle is totally...

On second thoughts, as the vehicle is totally gonna be submerged totally in water, and its gonna travel at a low velocity, around 0.5 m/s, so that is like a Re of 3*10^5. So shouldnt the drag...
Forum: FLUENT June 17, 2009, 05:49
Replies: 14
Views: 5,853
Posted By fluentnoob
Hey Max, Thanks for the reply. Yes, the...

Hey Max,

Thanks for the reply. Yes, the reference values are in accordance with the problem.

Is there anything else that I can look into? The forces the solver reports after convergence, the...
Forum: FLUENT June 17, 2009, 04:04
Replies: 14
Views: 5,853
Posted By fluentnoob
I tried increasing the roughness height,...

I tried increasing the roughness height, decreasing the roughness height, but the forces dont change by much. Please please help me out. What am I doing wrong? The solution converges everytime, but...
Forum: FLUENT June 16, 2009, 11:49
Replies: 14
Views: 5,853
Posted By fluentnoob
Never mind the center of pressure problem. I got...

Never mind the center of pressure problem. I got what was wrong there. But can anyone please help me out with the drag coefficient? What could I be doing wrong? Should I increase the roughness height...
Forum: FLUENT June 16, 2009, 11:47
Replies: 14
Views: 5,853
Posted By fluentnoob
Anyone? Please :|

Anyone? Please :|
Forum: FLUENT June 11, 2009, 03:40
Replies: 14
Views: 5,853
Posted By fluentnoob
Low Drag coefficient! :(

Hi all!

I am trying to do find the Drag on a small underwater marine vehicle. Its .8 m in Length and comprises of two bodies: One ellipsoid on top, and a cylinder below it.

The total area is...
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