[SOLVED] what is error of this 3D FDTD matlab code?

Status
Not open for further replies.

ghasem_008

Full Member level 4
Joined
Feb 9, 2012
Messages
221
Helped
11
Reputation
22
Reaction score
10
Trophy points
1,298
Activity points
2,990
hi friends.
I wrote a 3D FDTD matlab code in cartesian coordinates with first order Mur ABC.
but I don't konw why my Fields become very big (in order of 1e20!!!).
can anyone find it's reason and find my error?
I don't konw how import a current source to bottom surface of my antenna.
my antenna is dielectric with high negative permitivity such as -100).
My Courant limit satisfied and mesh is regular.
I attach my code.please help me.
where I mistake?
View attachment my code.txt
 
Last edited:

hi ghasem
for a courent source you should study this thesis
it's useful
 

Attachments

  • phd thesis.pdf
    2.4 MB · Views: 141

Status
Not open for further replies.
Cookies are required to use this site. You must accept them to continue using the site. Learn more…