Re: [femm] Force calculation on an axisymmetric model

[Agnaldo Souza Pereira <agnaldo@xxxxxxxxxx>]

The greater forces arised from femm calculations, with 
a greater number of nodes.


> Again, I'd guess that the difference arises solely 
from coarser the mesh
> density in the quickfield solution.
>
> At any rate a good way to get an idea of how many 
digits you can believe in
> either a femm or quickfield force computation is to 
integrate the stress on
> different contours around the part that you are 
interested in. In an exact
> solution, the results should be identical. However, 
the results from a
> finite element solution, which is only approximate, 
will be slightly
> different. The differences between contours give you 
an idea of the order
> of the error in the calculations.
>
> Dave.
>
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