Register to reply

Solving by finite difference method

by a_hoseni110
Tags: difference, finite, method, solving
Share this thread:
Dec8-12, 06:08 AM
P: 1
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
Phys.Org News Partner Science news on
Experts defend operational earthquake forecasting, counter critiques
EU urged to convert TV frequencies to mobile broadband
Sierra Nevada freshwater runoff could drop 26 percent by 2100
Dec8-12, 11:56 AM
P: 11,928
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.

Register to reply

Related Discussions
Solving Diffusion PDE By Finite difference Method in fortran Differential Equations 1
Solving Diffusion Equation By Finite difference Method in fortran Calculus 6
Solving diffusion equation using finite difference method Nuclear Engineering 0
Solving a fourth order PDE by finite difference method by matlab Calculus & Beyond Homework 0
Solving Fick's Law by Finite Difference Method Differential Equations 2