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

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

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

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

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....

upload ur file,may beso easy for solving it

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

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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