|Dec8-12, 06:08 AM||#1|
solving by finite difference method
I have 3 hyperbolic electrodes ,one as a ring and 2 others as endcap
electrodes which have potential v and 0 respectively.(quadrupole ion trap)
I want to solve potential inside the trap by finite difference method.
I don't know how general equations for unshaped materials will change , If I truncate my shape .
I don't know how to determine the magnitude of nodes which are on truncated line or exactly before that?
please help me
thanks a lot
|Dec8-12, 11:56 AM||#2|
Where do you truncate your shape?
If the field is not too far away from uniform, you can assume a uniform field (in direction of the border) as boundary condition.
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