What is the advanced development of the FDTD?

[yuanzy97]

Hi,all
I am amazed about the FDTD method.I have read many papers about teh FDTD method. Now I want to apply it to the vehicle-level EMC modeling. But how can I resolve the electrical large objects in the FDTD?
by the way, Is the FDTD suited for the analysis of the system-level EMC?

p.s. This is a paper which I think it is a good development of the FDTD.

 

[maple]

"the electrical large objects" is a very challenging task in computational electromagnetics, you may search some paper written by Prof. Jin J. M.

 

[yingyang]

you may like to use fem-fdtd to tackle the problem.

 

[burton]

I think MOM(Method of Memont) is suitbale for the electrical large objects.

 

[caocao]

Hi
Because of the FDTD is a congruence method,it based on the different equation and in time domain,I think it advancdes on the broadband questions such as 2~18GHz.
thanks!
caocao

 

[ng wei]

MOM(Method of Memont) is suitable for the electrical SMALL objects. For large objects you have to use Geometrical Theory of Diffraction.....


burton wrote

I think MOM(Method of Memont) is suitbale for the electrical large objects.

 

[haythem]

the FDTD is based on the computation of the electromagnetic fields in all the whole volume inside and outside. it needs a large storage and simulation time , since it need in addition to calculate the fields inside the volume it needs to calculate outside the volume. then a truncation boundary condition algorithm is also needed to simulate the extension of the ouside domain to reach infinity. Also it needs a (near to far field) algorithm to get far field computations. I thing the MOM methode will be faster and more reliable. if the scattering object is very large it is recommended to use the geometric theory of diffraction.

 

[MusicMan]

can someone help me with TF/SF incident plane wave in BOR FDTD(aka 2.5-D(imension) FDTD)? pls help me.
thanks