{"id":381243,"date":"2024-08-31T11:04:04","date_gmt":"2024-08-31T11:04:04","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/381243\/"},"modified":"2024-09-01T13:31:08","modified_gmt":"2024-09-01T13:31:08","slug":"381243","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/381243\/","title":{"rendered":"Reply To: Fluent error"},"content":{"rendered":"

<p> <\/p><p>Yes, you are right sir. I have checked my udf and found out where error occur but i didn’t know how to solve it.<br>This is my finction (a part of udf)<\/p><div><div>DEFINE_ADJUST(area_density, domain)<\/div><div>{<\/div><div>    Thread *t;<\/div><div>    Thread **pt;<\/div><div>    cell_t c;<\/div><div>    Domain *pDomain = DOMAIN_SUB_DOMAIN(domain, 0);<\/div><div>    real voidx, voidy, voidz = 0;<\/div><br><div>    Message(“Entering DEFINE_ADJUST(area_density)…\\n”);<\/div><br><div>    if (pDomain == NULL) {<\/div><div>        Message(“Error: Sub-domain P_PHASE not found.\\n”);<\/div><div>        return;<\/div><div>    }<\/div><br><div>    Alloc_Storage_Vars(pDomain, SV_VOF_RG, SV_VOF_G, SV_NULL);<\/div><div>   <\/div><div>    Scalar_Reconstruction(pDomain, “vof”, SV_VOF, -1, SV_VOF_RG, NULL);<\/div><div>    Scalar_Derivatives(pDomain, “vof”, SV_VOF, -1, SV_VOF_G, SV_VOF_RG, Vof_Deriv_Accumulate);<\/div><br><div>    Alloc_Storage_Vars(domain, SV_T_RG, SV_T_G, SV_NULL);<\/div><div>    T_derivatives(domain);<\/div><div>    Free_Storage_Vars(domain, SV_T_RG, SV_NULL);<\/div><br><div>    mp_thread_loop_c(t, domain, pt) {<\/div><div>        if (FLUID_THREAD_P(t)) {<\/div><div>            Thread *tp = pt[P_PHASE];<\/div><div>            begin_c_loop(c, t) {<\/div><div>                #if RP_3D<\/div><div>                C_UDMI(c, t, 0) = (C_VOF_G(c, tp)[0] * C_T_G(c, t)[0] + C_VOF_G(c, tp)[1] * C_T_G(c, t)[1] + C_VOF_G(c, tp)[2] * C_T_G(c, t)[2]);<\/div><div>                #endif<\/div><div>                #if RP_2D<\/div><div>                C_UDMI(c, t, 0) = (C_VOF_G(c, tp)[0] * C_T_G(c, t)[0] + C_VOF_G(c, tp)[1] * C_T_G(c, t)[1]);<\/div><div>                #endif<\/div><div>            }<\/div><div>            end_c_loop(c, t)<\/div><div>        }<\/div><div>    }<\/div><br><div>    Message(“Freeing storage variables…\\n”);<\/div><div>    Free_Storage_Vars(pDomain, SV_VOF_RG, SV_VOF_G, SV_NULL);<\/div><div>    Free_Storage_Vars(domain, SV_T_G, SV_NULL);<\/div><br><div>    Message(“Exiting DEFINE_ADJUST(area_density)…\\n”);<\/div><div>}<\/div><br>in this function error occurs in<br><div> Scalar_Reconstruction(pDomain, “vof”, SV_VOF, -1, SV_VOF_RG, NULL);<\/div><div> Scalar_Derivatives(pDomain, “vof”, SV_VOF, -1, SV_VOF_G, SV_VOF_RG, Vof_Deriv_Accumulate);<br>I also tried by putting “pressure-based” but result is same. I tried to search it but i didn’t find an answer.<br>When I remove these two scalars then there is no error in calculation but my results are coming not accurate. Can you help me to solve this<\/div><\/div><p> <\/p><\/p>\n","protected":false},"template":"","class_list":["post-381243","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t