I need help with a material balance problem.
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FUNCTION:
function [A, B, C, D, E, F] = material_balance (Ao, Bo, Co, Do, Eo, Fo)
[A, B, C, D, E, F] = Ao+Bo+Co+Do+Eo+Fo
k21 =0.2;
k31 =0.1;
k32 =0.1;
k34 =0.1 ;
k54 =0.05;
k64 =0.2 ;
k12 =0.1 ;
k13 =0.05 ;
k23 =0.05;
k43 =0.2 ;
k45 =0.1;
k46 =0.2;
k65 =0.1;
k56 =0.1;
x = [ -(k21+k31) k12 k13 0 0 0
k31 k32 -(k13+k23+k43) k34 0 0
0 0 0 k54 -(k45-k65) k56
k21 -(k12+k32) k23 0 0 0
0 0 k43 -(k34+k54+k64) 0 k45
0 0 0 k64 k65 -(k46+k56)];
b = [0
0
0
0
0
0];
[A B C D E F]= inv(x)*b
SCRIPT:
clear, clc, close all
Ao =1.0;
Bo =0;
Co =0 ;
Do =0 ;
Eo =1.0;
Fo= 0;
[A, B, C, D, E, F] = material_balance (Ao, Bo, Co, Do, Eo, Fo)
Please Help!
5 Comments
Torsten
on 21 Feb 2019
You set the time derivatives to zero and solved
x*[A;B;C;D;E;F] = 0
But you are told to solve
x*[A;B;C;D;E;F] =[dA/dt;dB/dt;dC/dt;dD/dt;dE/dt;dF/dt].
Try an ODE integrator to do so, e.g. ODE15S.
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