On 08/15/2017 01:15 AM, 'Maxi Miller' via deal.II User Group wrote:
I try to follow the math in example 33, but am not fully able to understand
how the right hand side is included. According to my understanding, I have the
function/vector G, multiply it with the test function z, and integrate over
both over the whole area. After there are no derivatives included, I do not
have to do any reformulations. Why do I then still end up with an integral
over both (G\cdot z), but integrated over the border?
Can you point out where in the code this happens?
There is of course a boundary term that comes from integrating by parts the
equation. But G itself should not appear in a boundary integral.
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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