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Search: Posts Made By: rr123
Forum: Fluent UDF and Scheme Programming April 3, 2009, 10:39
Replies: 39
Views: 15,290
Posted By rr123
dear henrik and max, why should the S (in...

dear henrik and max,

why should the S (in my case) be differentiated w.r.t epsilon ?
i mean, what is the reason behind it ??

because, in some examples i find that for modifying a source...
Forum: Fluent UDF and Scheme Programming April 2, 2009, 10:25
Replies: 39
Views: 15,290
Posted By rr123
thanks for helping me henrik and max ! i...

thanks for helping me henrik and max !
i gratefully acknowledge your support.
i keep you informed of this.
Forum: Fluent UDF and Scheme Programming April 2, 2009, 05:27
Replies: 39
Views: 15,290
Posted By rr123
thanks Henrik and coglione !! i have two...

thanks Henrik and coglione !!

i have two small queries:

i am trying to add a secondary source term, S to the epsilon eqn of the k-epsilon model.
S = max[0.83(l/l_e)(epsilon/k),0]
where, l...
Forum: Fluent UDF and Scheme Programming April 2, 2009, 03:32
Replies: 39
Views: 15,290
Posted By rr123
hi, is if (THREAD_TYPE(tf)) == 3) ...

hi,

is

if (THREAD_TYPE(tf)) == 3)

the same as

if(THREAD_TYPE(tf) == THREAD_F_WALL)
Forum: Fluent UDF and Scheme Programming April 1, 2009, 08:13
Replies: 39
Views: 15,290
Posted By rr123
henrik, thanks again. but how do we know...

henrik, thanks again.

but how do we know that BOUNDARY_FACE_THREAD is the wall ??

sincerely.
Forum: Fluent UDF and Scheme Programming April 1, 2009, 08:05
Replies: 39
Views: 15,290
Posted By rr123
yes, Henrik you are righ indeed. my only...

yes, Henrik you are righ indeed. my only intention is to calculate the distance from the centroid of the cell which touches the wall.
so thats why i intended to use the THREAD_TYPE macro.

so...
Forum: Fluent UDF and Scheme Programming April 1, 2009, 07:47
Replies: 39
Views: 15,290
Posted By rr123
dear henrik, thanks for the reply. so you...

dear henrik,

thanks for the reply. so you mean that the c_face_loop which i used, is no more required with your code snippet using C_WALL_DIST(c,t) ?

one more query:
i want to add a source...
Forum: Fluent UDF and Scheme Programming April 1, 2009, 06:41
Replies: 39
Views: 15,290
Posted By rr123
dear henrik, i didnt get you clearly with...

dear henrik,

i didnt get you clearly with the using of the C_WALL_DIST(c,t).

can you remake the code snippet with your suggestion so that i can try from my end.

sincerely.
Forum: Fluent UDF and Scheme Programming April 1, 2009, 04:24
Replies: 39
Views: 15,290
Posted By rr123
calculate distance from wall to neighbourig cell centroid

dear all,

i need to calculate the distance between the wall and the centroid of the cell touching this wall. my system is 2D.

this is the main code snippet:

begin_c_loop (c,t)
{...
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