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January 2, 2020, 02:46 |
Error during initialization while using UDF
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#1 |
Member
Dnyanesh Mirikar
Join Date: Jul 2019
Posts: 35
Rep Power: 7 |
I want to write UDF for wall heat flux boundary condition. When I initialize the setup it gets closed (in both serial and parallel mode) with error
Node 0: Process 2532: Received signal SIGSEGV. MPI Application rank 0 exited before MPI_Finalize() My UDF code is #include "udf.h" //Heat generation model from Mahamud and Park (Lumped heat capacity model) DEFINE_HEAT_FLUX(Heat_gen,f,t,c0,t0,cid,cir) { #define I 24.984 #define EntCoeff -0.3 real Re; real T = C_T(f,t); real Td; //temperature in degree celcius real Qirr; real Qent; real Qt; Td=T-273.16; Re=12.407-0.5345*Td+0.0134*Td*Td-0.0001*Td*Td*Td; //T in degree celcius and Re in milli ohms Qirr=(I*I)*Re/1000; // Watt per metre square Qent=-I*(Td+273.16)*EntCoeff/1000; // Watt per metre square Qt=Qirr+Qent; } Please suggest a possible solution for this, I'm new to UDF. Thanks |
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January 3, 2020, 00:49 |
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#2 |
Senior Member
Alexander
Join Date: Apr 2013
Posts: 2,363
Rep Power: 34 |
Code:
#include "udf.h" #define I 24.984 #define EntCoeff -0.3 //Heat generation model from Mahamud and Park (Lumped heat capacity model) DEFINE_HEAT_FLUX(Heat_gen,f,t,c0,t0,cid,cir) { real Re; real T = C_T(f,t); real Td; //temperature in degree celcius real Qirr; real Qent; real Qt; Td=T-273.16; Re=12.407-0.5345*Td+0.0134*Td*Td-0.0001*Td*Td*Td; //T in degree celcius and Re in milli ohms Qirr=(I*I)*Re/1000; // Watt per metre square Qent=-I*(Td+273.16)*EntCoeff/1000; // Watt per metre square Qt=Qirr+Qent; }
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