Hello Stefano,
FE_Q(QGaussLobatto(n)) works just fine. All quadratures in deal.II are
defined on [0,1].
Best Regards,
Markus
Am 12.12.2011 11:35, schrieb Stefano Zampini:
Hi,
I'm a new user. I'm wondering how to use spectral quadrilateral
elements based on tensor product lagrangian polinomials on Gauss
Lobatto Legendre points. Searching the mailing list and the classes, I
found two different constructors to do this, namely: fe_Q(GLLpoints)
(with GLL points on [-1,1] which must be shifted to [0,1]) or
fe_DGQArbtrarynodes(...)? The latter solution seems to be the
recomended one. Why do I need to resort to DG methods since I need a
conforming triangulation?
Thanks,
--
Stefano
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