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March 11, 2019, 23:14 |
UDF boundary
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#1 |
New Member
Li Xiaoying
Join Date: Jun 2018
Posts: 8
Rep Power: 7 |
#include "udf.h"
#include<math.h> DEFINE_PROFILE(inlet_z_velocity_A, t, i) { real x[ND_ND]; real a; real y; face_t f; begin_f_loop(f,t) { F_CENTROID(x,f,t); a=x[0]; y=x[1]; if ((-4.2 <= a) && (a < -3.945)) F_PROFILE(f, t, i) = -0.088*pow(y, 5) - 0.0737*pow(y, 4) + 0.1308*pow(y, 3) + 0.0682*pow(y, 2) - 0.0665*y + 0.3545; if ((-3.945 <= a) && (a < -3.675)) F_PROFILE(f, t, i) = 0.1012*pow(y, 6) + 0.0131*pow(y, 5) - 0.2807*pow(y, 4) - 0.0547*pow(y, 3) + 0.1929*pow(y, 2) + 0.0411*y + 0.3549; if ((-3.675 <= a) && (a < -3.405)) F_PROFILE(f, t, i) = 0.046*pow(y, 6) + 0.0045*pow(y, 5) - 0.1283*pow(y, 4) + 0.0002*pow(y, 3) + 0.1014*pow(y, 2) - 0.0034*y + 0.3668; if ((-3.405 <= a) && (a < -3.135)) F_PROFILE(f, t, i) = 0.0752*pow(y, 6) + 0.0194*pow(y, 5) - 0.2078*pow(y, 4) - 0.0361*pow(y, 3) + 0.1624*pow(y, 2) + 0.0196*y + 0.3454; if ((-3.135 <= a) && (a < -2.865)) F_PROFILE(f, t, i) = -0.6608*pow(y, 6) - 0.0257*pow(y, 5) + 1.4898*pow(y, 4) + 0.0128*pow(y, 3) - 0.9274*pow(y, 2) + 0.012*y + 0.5025; if ((-2.865 <= a) && (a < -2.595)) F_PROFILE(f, t, i) = 0.164*pow(y, 6) + 0.0698*pow(y, 5) - 0.3511*pow(y, 4) - 0.087*pow(y, 3) + 0.2244*pow(y, 2) + 0.0301*y + 0.3417; if ((-2.595 <= a) && (a < -2.325)) F_PROFILE(f, t, i) = -0.0257*pow(y, 5) - 0.0798*pow(y, 4) + 0.022*pow(y, 3) + 0.0863*pow(y, 2) - 0.008*y + 0.3762; if ((-2.325 <= a) && (a < -2.055)) F_PROFILE(f, t, i) = 0.05*pow(y, 6) - 0.0019*pow(y, 5) - 0.1895*pow(y, 4) + 0.0122*pow(y, 3) + 0.1427*pow(y, 2) - 0.0089*y + 0.3693; if ((-2.055 <= a) && (a <= -1.8)) F_PROFILE(f, t, i) = 0.1494*pow(y, 6) - 0.0899*pow(y, 5) - 0.3818*pow(y, 4) + 0.2512*pow(y, 3) + 0.2011*pow(y, 2) - 0.1668*y + 0.4045; } end_f_loop(f,t) } |
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