Mass Flow Rate on an interface
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Following UDF could be used to display mass flow rate on an interface. User defined memory is used to store face fluxes on the interface. /*UDF to display mass flow rate on an interface*/ /****************USUAGE************************/ /* 1)Read case and data file into Fluent session. 2)Specify the id of interface in the UDF. id could be seen from Define--->Boundary Conditions. 2)Allocate a user define memory through Define--->User-Defined--->Memory 3)Compile following udf through Define--->User-Defined-->Functions-->Compile 4)Run the case for atleast one iteration. 5)Mass-flow rate on the interface could be displayed through Display--->Contours. */ #include "udf.h" #define interface_id 17 DEFINE_ON_DEMAND(mass_flow) { Domain *d; Thread *t; Thread *t1; cell_t c; face_t f; d=Get_Domain(1); t=Lookup_Thread(d,interface_id); begin_f_loop(f,t) { c=F_C0(f,t); t1=THREAD_T0(t); C_UDMI(c,t1,0)=F_FLUX(f,t); } end_f_loop(f,t) } |
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