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Help me define nonorthogonal FDTD cells in Matlab

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chipi_trox

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Hi,
I'm trying to implement nonorthogonal FDTD mixed with orthogonal FDTD in 2D in matlab but i have some problems to define the cells which are nonorthogonal, i don't know if i have to use the basis vector which define these cells for the neighbour cells. I let the code here and i hope some of you can help me.
 

Hey... I'm working on non orthogonal FDTD simulation of Circular dielectric cavity .....
I'm having the same problem you described here.
Can you help me with this ?
Plz provide me the Matlab codes of this.....

My email id is - jai4mjaipur0141@gmail.com

Thank you in advance
 

Hi.
nonorthogonal FDTD is not very simple and has numerical dispersion.I offer that use from orthogonal first and approximate your circle or any other object with cartesian coordinates.
you can give a relatively good answer.
 

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