Compilation error for SR_RATE
the following is my UDF :
#include "udf.h" #define R 8.314 #define p 101325 #define pi 3.14159 DEFINE_SR_RATE(my_rate,f,t,r,mw,yi,rr) { Thread *t0 = t>t0; cell_t c0=F_C0(f,t); real nh3 = yi[0]; /* mass fraction of nh3 at the wall*/ real n2 = yi[1]; real h2 = yi[2]; real ar = yi[3]; /* mass fraction of ar at the wall */ real rho_w = 1.0, T_w, sd=2.075e5; real xn2 = 1.0, xh2 = 1.0, xnh3 = 1.0; real pn2, ph2, pnh3,thetapt=1,thetanh2=1; real k1, k2,k3,k4,k5,k6,k7,k8,k9, k10,k11,k12, k13,k14,k15,k16,k17,k18,K1eq,K2eq,K3eq,K8eq,K9eq; real ratedecomp,rateform, rate; T_w = F_T(f,t); rho_w = C_R(c0,t0)*C_T(c0,t0)/T_w; n2 *= rho_w/mw[1]; /* converting of mass fractions into molar concentrations */ h2 *= rho_w/mw[2]; nh3 *= rho_w/mw[0]; ar *= rho_w/mw[3]; xn2 = n2/(n2+h2+nh3+ar); xh2 = h2/(n2+h2+nh3+ar); xnh3 = nh3/(n2+h2+nh3+ar); pn2 = xn2*p; ph2 = xh2*p; pnh3 = xnh3*p; k1 = 0.5*(sqrt(1000/(R*T_w*2*pi*mw[2]))); k2 = (1e13*sd)*exp(6*4185.8/(R*T_w)); k3 = 0.5*(sqrt(1000/(R*T_w*2*pi*mw[2])))*exp(3*4185.8/(R*T_w)); k4 = (1e13*sd)*exp(21*4185.8/(R*T_w)); k5 = 0.5*(sqrt(1000/(R*T_w*2*pi*mw[1])))*exp(21*4185.8/(R*T_w)); k6 = (1e13*sd)*exp(27*4185.8/(R*T_w)); k7 = (1e11*sd)*exp(26*4185.8/(R*T_w)); k8 = (1e11*sd)*exp(7*4185.8/(R*T_w)); k9 = (1e11*sd)*exp(36*4185.8/(R*T_w)); k10 = (1e11*sd)*exp(5*4185.8/(R*T_w)); k11 = (1e11*sd)*exp(12*4185.8/(R*T_w)); k12 = (1e11*sd)*exp(21*4185.8/(R*T_w)); k13 = (1e11*sd)*exp(5*4185.8/(R*T_w)); k14 = (1e11*sd)*exp(21*4185.8/(R*T_w)); k15 = (1e13*sd)*exp(5*4185.8/(R*T_w)); k16 = 0.5*(sqrt(1000/(R*T_w*2*pi*mw[0])))*exp(7*4185.8/(R*T_w)); k17 = (1e13*sd)*exp(14*4185.8/(R*T_w)); k18 = 0.5*(sqrt(1000/(R*T_w*2*pi*mw[0]))); K1eq = k1*ph2/k2; K2eq = k3*ph2/k4; K3eq = k5*pn2/k6; K8eq = k15/(k16*pnh3); K9eq = k17/(k18*pnh3); thetapt=1/(1+K1eq+sqrt(K2eq)+sqrt(K3eq)+1/K9eq); thetanh2=thetapt/(K8eq*sqrt(K2eq)); ratedecomp=0.5*k12*thetanh2*thetapt; rateform=0.5*k11*pow(thetapt,2)*sqrt(K2eq*K3eq)*(( k7*K1eq)+(k9*sqrt(K2eq))+k12/(K8eq*sqrt(K2eq)))/(k10+(k11+k8)*sqrt(K2eq)); if (STREQ(r>name, "reaction1")) { *rr = 471*(ratedecomp)/1000; C_UDMI(c0,t0,0) = *rr; } } when I try to interpret this it says line 9 : structure not implemented . When I compile this, while building it shows no error and the following appears on the console window : 1 file(s) copied. (system "copy C:\Fluent.Inc\fluent6.3.26\src\makefile_nt.udf libudf\win64\2ddp\makefile") 1 file(s) copied. (chdir "libudf")() (chdir "win64\2ddp")() Done. After this when i press the load button i get the following on the console window: "c:/users/arun/desktop/directory" Opening library "libudf"... Error: open_udf_library: The system cannot find the file specified. Error Object: () Could anyone please help me with this as soon as possible. This is a part of my Btech project and i have a review soon so need to fix this problem at the earliest... Thanking you, Vismayie 
Quote:
Did you open fluent via the SDK command prompt? 
Hi,
I have both the case file and the udf in the same directory . I am not aware of the SDK command prompt . How are we supposed to use it ? Can you suggest some reading material to fix this error. Thank you Vismayie 
Quote:
https://dl.dropbox.com/u/63453669/20...ing%20SDKx.pdf 
I am trying to download the files you have asked me to. I am very new to this software and i dont understand the head and tail of it
Thank you Vismayie 
Hey,
I dont have microsoft visual studio installed in my computer at all. So which version should i download ? Thanking you, Vismayie 
I have microsoft visual C++ 2005 so should i uninstall it before going any further

Quote:

Were you able to get your UDF working?
I am working on a similar type of setup now, i.e. many reactions at a surface, and am having a bit of trouble myself. 1. Did you need a return function? 2. Is it possible to define all of the reactions you need in a single UDF? 
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