Calculating Emax in concentric cylinder

[donkitano123]

The general formula to calculate maximim electric, Emax in concetric cylinder is Emax= V/a ln (b/a).
But how does the formula differentiate if there are 3 inner cylindrical electrode?

 

[berkeman]

The general formula to calculate maximim electric, Emax in concetric cylinder is Emax= V/a ln (b/a).
But how does the formula differentiate if there are 3 inner cylindrical electrode?
View attachment 110125

Welcome to the PF.

That would look to be a much more complicated problem than just concentric cylinders. How exact of a solution do you need? Do you have access to simulation software like COMSOL?

https://www.comsol.com/acdc-module

 

[donkitano123]

Thanks for the reply

I only have FEMM 4.2 software.

 

[berkeman]

Thanks for the reply

I only have FEMM 4.2 software.

Are you in university? What is the context of this question? Do you know anybody with access to electric field modeling software?