Solving heat transfer equation using finite difference method
1 次查看(过去 30 天)
显示 更早的评论
Please, I am trying to solve for the temperature distribution in a box but I am having issues with my code error: "Index exceeds matrix dimension". This is my code
M=15.5;
L= 1.22;
dx= 0.122;
T(1)=35;
Tc = 25;
N= L/dx;
St= 50400;
dt= 1800;
rho= 720;
t= St/dt;
T(:,1)=T(1);
K= 0.0676+(0.00054*M);
c= 0.334 +(0.00977*M);
q= 2*10^7;
h= (q*(dx)^2)/K;
for j=1:t
for i=1:N
T(i,j+1)=F(K,dt,dx,rho)*(T(i+1,j)+T(i-1,j)+h)+(1- (2*F(K,dt,dx,rho)))*T(i,j);
0 个评论
回答(1 个)
Benjamin Großmann
2018-4-23
You start with i=1 and one of your indices is T(i-1), so this is addressing the 0-element of T. In Matlab we start with index 1. This could be one problem but it is not possible to debug your code as it is since there are "end"s missing and the function or Matrix "F" is not given.
0 个评论
另请参阅
类别
在 Help Center 和 File Exchange 中查找有关 Matrix Indexing 的更多信息
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!