Anshs |
June 25, 2020 10:13 |
3 phase area
Quote:
Originally Posted by vinerm
(Post 774430)
Are you getting all values as 0? If that is the case, then try plotting the UDM where you are saving gradients.
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I hawe tried compiling this udf, and getting the following error: Can you please help me.
Error:
Code:
Copied D:\ladle final - Copy/D:\ladle final - Copy\area_ud.c to D:
ew_ladle\ladle_x_files\dp0\FFF-5\Fluent\libudf\src
udf_names.c and user_nt.udf files in 2ddp are upto date.
(system "copy "C:\PROGRA~1\ANSYSI~1\v180\fluent"\fluent18.0.0\src\udf\makefile_nt.udf "D:
ew_ladle\ladle_x_files\dp0\FFF-5\Fluent\libudf\win64\2ddp\makefile" ")
1 file(s) copied.
(chdir "D:\new_ladle\ladle_x_files\dp0\FFF-5\Fluent\libudf")(chdir "win64\2ddp")# Linking libudf.dll because of user_nt.udf udf_names.obj area_ud.obj
Microsoft (R) Incremental Linker Version 14.00.24213.1
Copyright (C) Microsoft Corporation. All rights reserved.
LINK : fatal error LNK1104: cannot open file 'libudf.dll'
Done.
UDF:
Code:
#include "udf.h"
DEFINE_ADJUST(store_gradient, domain)
{
Thread *t;
Thread **pt;
cell_t c;
double A_inter3;
int pdi = 0.;
int pdf = 2.;
Domain *pDomaini = DOMAIN_SUB_DOMAIN(domain,pdi);
{
Alloc_Storage_Vars(pDomaini,SV_VOF_RG,SV_VOF_G,SV_NULL);
Scalar_Reconstruction(pDomaini, SV_VOF,-1,SV_VOF_RG,NULL);
Scalar_Derivatives(pDomaini,SV_VOF,-1,SV_VOF_G,SV_VOF_RG,
Vof_Deriv_Accumulate);
}
Domain *pDomainf = DOMAIN_SUB_DOMAIN(domain,pdf);
{
Alloc_Storage_Vars(pDomainf,SV_VOF_RG,SV_VOF_G,SV_NULL);
Scalar_Reconstruction(pDomainf, SV_VOF,-1,SV_VOF_RG,NULL);
Scalar_Derivatives(pDomainf,SV_VOF,-1,SV_VOF_G,SV_VOF_RG,
Vof_Deriv_Accumulate);
}
mp_thread_loop_c (t,domain,pt)
if (FLUID_THREAD_P(t))
{
Thread *ppti = pt[0];
Thread *pptf = pt[2];
if ( ( C_VOF(c,ppti)*C_VOF(c,pptf) > 0.21 ) && (C_VOF(c,ppti) + C_VOF(c,pptf) >0.95) )
{
C_UDMI(c,t,0) = NV_MAG(C_VOF_G(c,ppti)) ;
A_inter3 += C_UDMI(c, t, 0)*C_VOLUME(c, ppti) ;
}
}
Message("\n : Area Density= %f\n", C_UDMI(c, t, 0));
Free_Storage_Vars(pDomaini,SV_VOF_RG,SV_VOF_G,SV_NULL);
Free_Storage_Vars(pDomainf,SV_VOF_RG,SV_VOF_G,SV_NULL);
}
On 2020-06-25 18:46, anshs wrote:
#include "udf.h"
DEFINE_ADJUST(store_gradient, domain)
{
Thread *t;
Thread **pt;
cell_t c;
double A_inter3;
int pdi = 0.;
int pdf = 2.;
Domain *pDomaini = DOMAIN_SUB_DOMAIN(domain,pdi);
{
Alloc_Storage_Vars(pDomaini,SV_VOF_RG,SV_VOF_G,SV_NULL);
Scalar_Reconstruction(pDomaini, SV_VOF,-1,SV_VOF_RG,NULL);
Scalar_Derivatives(pDomaini,SV_VOF,-1,SV_VOF_G,SV_VOF_RG,
Vof_Deriv_Accumulate);
}
Domain *pDomainj = DOMAIN_SUB_DOMAIN(domain,pdj);
{
Alloc_Storage_Vars(pDomainj,SV_VOF_RG,SV_VOF_G,SV_NULL);
Scalar_Reconstruction(pDomainj, SV_VOF,-1,SV_VOF_RG,NULL);
Scalar_Derivatives(pDomainj,SV_VOF,-1,SV_VOF_G,SV_VOF_RG,
Vof_Deriv_Accumulate);
}
mp_thread_loop_c (t,domain,pt)
Thread *ppti = pt[pdi];
Thread *pptj = pt[pdi];
if ( ( C_VOF(c,ppti)*C_VOF(c,pptj) > 0.21 ) && (C_VOF(c,ppti) + C_VOF(c,pptj) >0.95) )
{
C_UDMI(c,t,0) = NV_MAG(C_VOF_G(c,ppti)) ;
A_inter3 += C_UDMI(c, t, 0)*C_VOLUME(c, ppti) ;
Free_Storage_Vars(pDomain,SV_VOF_RG,SV_VOF_G,SV_NULL);
}
}
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