On 8/26/22 20:54, ztdepyahoo wrote:
I am looking for the theory guide of the "mean value constraints " method in
fem.
I think you need to try to be more detailed in your questions :-)
Regardless, I don't have much to offer. I think what the program does is how
every finite element professional would implement this, though I cannot point
to anything anyone has ever written about it.
If you are asking about the theory of imposing a mean value constraint, I
don't have anything to offer there either. The closest thing I can think of is
the "electrode model" in electrical impedance tomography (EIT) modeling, and
how it imposes a specific kind of constraint on parts of the boundary. There
is a substantial literature that considers the correct formulation, weak
formulation, and uniqueness/existence. You might be able to glean something
from there about the case here.
Best
W.
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Wolfgang Bangerth email: [email protected]
www: http://www.math.colostate.edu/~bangerth/
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