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Forum: FLUENT April 1, 2011, 02:05
Replies: 18
Views: 12,398
Posted By cfd seeker
thanx Jamshed actually in my case solution...

thanx Jamshed
actually in my case solution variables were varying so much from one iteration to the other that fluent was unable to cope with it and so fluent was giving floating point exception. so...
Forum: FLUENT March 29, 2011, 10:50
Replies: 18
Views: 12,398
Posted By cfd seeker
today i feel i should come back here and post...

today i feel i should come back here and post something about my solution for the benefit of others.
By decreasing Courant Number and Under Relaxation Factors has solved all my problems
Forum: FLUENT March 7, 2011, 02:07
Replies: 18
Views: 12,398
Posted By cfd seeker
Post @Shamoon Jamshed thanx for your suggestions. ok...

@Shamoon Jamshed
thanx for your suggestions. ok i will try these and let you know my progress. but how does very fine grid is not good near the walls??
Forum: FLUENT March 3, 2011, 02:28
Replies: 18
Views: 12,398
Posted By cfd seeker
Post i also want to ask 1 more simple question about...

i also want to ask 1 more simple question about Reference values for the calculation of coefficients

diameter of geometry is 0.15838m and its length is 0.5m

in Reference values panel i set the...
Forum: FLUENT March 3, 2011, 01:16
Replies: 18
Views: 12,398
Posted By cfd seeker
Post @DoHander when i performed analysis for 0(zero)...

@DoHander
when i performed analysis for 0(zero) degree angle of attack my result came out to be v good but problems arises when i started analysis at 60 degree angle of attack

then my friend...
Forum: FLUENT March 2, 2011, 09:28
Replies: 18
Views: 12,398
Posted By cfd seeker
@ DoHander ok mate i will also try with 0(zero)...

@ DoHander
ok mate i will also try with 0(zero) Operating Pressure and also Pressure farfield at the outlet.

here i will like to ask one more thing, in your previous post you mentioned about...
Forum: FLUENT March 2, 2011, 01:13
Replies: 18
Views: 12,398
Posted By cfd seeker
Post @ DoHander thanx mate for your suggestions ...

@ DoHander
thanx mate for your suggestions
here i will like to add something as you are talking about mesh and boundary conditions

1. My flow domain is 3 body lengths forwrad, 3 body lengths...
Forum: FLUENT March 2, 2011, 01:00
Replies: 18
Views: 12,398
Posted By cfd seeker
Post @ smartnatu thanx mate for replying, ok i will...

@ smartnatu
thanx mate for replying, ok i will try your suggestions and then let you know.
Forum: FLUENT March 1, 2011, 11:45
Replies: 18
Views: 12,398
Posted By cfd seeker
Post problems in modeling hypersonic flow

hi all

i am trying to model hypersonic flow over 2D cone of length 0.5m, diameter 0.15838m and half cone angle of 9 degrees.

M.No=6.77
density based,implicit and steady solver
i have used...
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