# 2D formulation for Electrostatic Problems

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− | <math>\alpha = \frac{1}{ | + | ::<math>\alpha = \frac{1}{|r-r_0|^{exponent}} \qquad with \quad exponent=0.5, 1, 2...</math> |

## Revision as of 15:23, 30 October 2009

The 2D Electrostatic Poisson's equation given by the governing PDE and its boundary conditions:

can be written as (see the General formulation for Electrostatic Problems):

with (* n* is the number of nodes of the element):