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3d fdtd dipole in free space


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emresert



Joined: 12 Mar 2008
Posts: 14


Post03 May 2008 17:59   

fdtd dipole


sorry,
i cant run the program fd3d_4.1.c in the book "electromagnetic simulation using the fdtd "by dennis sullivan,
anybody can help me?
emrsrt(at)gmail.com
i would be greatful
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jithesh



Joined: 11 Oct 2007
Posts: 91
Helped: 12
Location: India


Post04 May 2008 2:51   

dipole in space


Hi

I may be able to help you. I am not sure whether I have the code fd3d_4.1.c or not. Better you upload it or send it to me (jithesh.lrde(at)gmail.com).

Best Regards
Jithesh
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jithesh



Joined: 11 Oct 2007
Posts: 91
Helped: 12
Location: India


Post05 May 2008 3:58   

3d fdtd


Hi,

I made some corrections in the code. Now it is working. mail me in case any further problems are there.

Best Regards
Jithesh
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red5000



Joined: 06 Nov 2006
Posts: 120
Helped: 32


Post11 Jan 2009 11:22   

fd3d_4.1


can you upload this program for the begginners like me and thanks
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hamidrezakarami



Joined: 26 Feb 2007
Posts: 61


Post03 Feb 2009 10:45   

w.google.com


Hi
I have written a 3D FDTD sample code by matlab based on Sulivan book.
ABC used for these codes is PML with 7 cells.



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borjijiji



Joined: 12 Mar 2009
Posts: 21


Post16 Apr 2009 15:08   

k space fdtd


I have problem with FD3D_4.1.c too
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Post16 Apr 2009 15:08   

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Uomo



Joined: 24 Jun 2009
Posts: 1


Post06 Jul 2009 8:59   

3d fdtd


hamidrezakarami wrote:
Hi
I have written a 3D FDTD sample code by matlab based on Sulivan book.
ABC used for these codes is PML with 7 cells.

great work!

why don't use the following string:
Quote:
dx(1:Imax,2:Jmax,2:Kmax) = dx(1:Imax,2:Jmax,2:Kmax) + 0.5*(hz(1:Imax,2:Jmax,2:Kmax) - hz(1:Imax,1:Jmax-1,2:Kmax) - hy(1:Imax,2:Jmax,2:Kmax) + hy(1:Imax,2:Jmax,1:Kmax-1));


instead of:
Quote:
for k = 2:Kmax
for j = 2:Jmax
for i = 1:Imax
dx(i,j,k) = dx(i,j,k) + 0.5*(hz(i,j,k) - hz(i,j-1,k) - hy(i,j,k) + hy(i,j,k-1));
end
end
end


it is faster!
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