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March 26, 2012, 04:47 |
UDF problem
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#1 |
Member
anonymous
Join Date: Mar 2012
Posts: 45
Rep Power: 14 |
Hi!
I have a problem with my udf: Warning: incorrect grid motion UDF moving_wall on zone 5 (assuming no motion) what does it mean?? thanks! |
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May 4, 2012, 22:49 |
udf explaination
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#2 |
New Member
Ijaz
Join Date: Dec 2011
Location: Singapore
Posts: 17
Rep Power: 14 |
This is the udf for mix tank Tutorial 23- for eulerian multiphase granular flow. Can anyone please explain the udf,as in my case only a simple disc is rotating. I need to modify the udf. Can anyone please help...
#include "udf.h" #include "sg.h" #define FLUID_ID 1 #define ua1 -7.1357e-2 #define ua2 54.304 #define ua3 -3.1345e3 #define ua4 4.5578e4 #define ua5 -1.9664e5 #define va1 3.1131e-2 #define va2 -10.313 #define va3 9.5558e2 #define va4 -2.0051e4 #define va5 1.1856e5 #define ka1 2.2723e-2 #define ka2 6.7989 #define ka3 -424.18 #define ka4 9.4615e3 #define ka5 -7.7251e4 #define ka6 1.8410e5 #define da1 -6.5819e-2 #define da2 88.845 #define da3 -5.3731e3 #define da4 1.1643e5 #define da5 -9.1202e5 #define da6 1.9567e6 DEFINE_PROFILE(fixed_u, thread, np) { real r; begin_c_loop (c,thread) { /* centroid is defined to specify position dependent profiles*/ C_CENTROID(x,c,thread); r =x[1]; F_PROFILE(c,thread,np) = ua1+(ua2*r)+(ua3*r*r)+(ua4*r*r*r)+(ua5*r*r*r*r); } end_c_loop (c,thread) } DEFINE_PROFILE(fixed_v, thread, np) { cell_t c; real x[ND_ND]; real r; begin_c_loop (c,thread) { /* centroid is defined to specify position dependent profiles*/ C_CENTROID(x,c,thread); r =x[1]; F_PROFILE(c,thread,np) = va1+(va2*r)+(va3*r*r)+(va4*r*r*r)+(va5*r*r*r*r); } end_c_loop (c,thread) } DEFINE_PROFILE(fixed_ke, thread, np) { cell_t c; real x[ND_ND]; real r; begin_c_loop (c,thread) { /* centroid is defined to specify position dependent profiles*/ C_CENTROID(x,c,thread); r =x[1]; F_PROFILE(c,thread,np) = ka1+(ka2*r)+(ka3*r*r)+(ka4*r*r*r)+(ka5*r*r*r*r)+(k a6*r*r*r*r*r); } end_c_loop (c,thread) } DEFINE_PROFILE(fixed_diss, thread, np) { cell_t c; real x[ND_ND]; real r; begin_c_loop (c,thread) { /* centroid is defined to specify position dependent profiles*/ C_CENTROID(x,c,thread); r =x[1]; F_PROFILE(c,thread,np) = da1+(da2*r)+(da3*r*r)+(da4*r*r*r)+(da5*r*r*r*r)+(d a6*r*r*r*r*r); } end_c_loop (c,thread) } |
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