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CST - material with continual changing permitivity

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mauloftin

mauloftin

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cst change

Hi,

do you know, if is possible do material with continual changing permitivity ?
For example as optical fiber (attachment) where in the center n (n=√εr) is the greatest and on the edge is least.

Thank you much
 

CST - change permitivity

Hi mauloftin,
One way I can think of making different layers of permittivity for different radii. I@ll see if I can find better solution.

Regards
 

CST - change permitivity

Thank, yes, this is my idea too, but not the best solution, I would have to do very much layers....
 

CST - change permitivity

no
i sugget u put variable say x in the material epsr value
then if u use transient time (!T) solver,choose parameter sweep and put new sequence with range of ur variable
i hope that good for u
 

Re: CST - change permitivity

abdoeng said:
no
i sugget u put variable say x in the material epsr value
then if u use transient time (!T) solver,choose parameter sweep and put new sequence with range of ur variable
i hope that good for u
Click to expand...

I think, that is not solution, if i choose sweep parametr, so whole material have er, but I need that the er = function axes x....
 

CST - change permitivity

upload ur file,may beso easy for solving it
 

Re: CST - change permitivity

Use COMSOL: there you can use an anisotropic and inhomogeneus material.
 

Re: CST - change permitivity

U can define two separate solid and set variables for that separately and then give the parameter sweep for example in optical fibre u put one centre cylinder and then one cylinder for edge then u merge and give separate variable for that
 

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