[Getdp] Non vanishing boundary term after integration by parts
121704004 at smail.iitpkd.ac.in
Thu Apr 12 06:50:44 CEST 2018
Thank you so much. I was assuming these terms to be zero and thus I was
getting my simulation results incorrect. Now when I included these terms as
you mentioned, I am getting it right. Thank you.
On Wed, Apr 11, 2018 at 12:12 PM, Christophe Geuzaine <geuzaine at gmail.com>
> > On 1 Apr 2018, at 16:49, RAGHURAM T.R. <121704004 at smail.iitpkd.ac.in>
> > Dear getDP users,
> > Could you please tell me how to specify the boundary terms that are not
> vanishing after integration by parts in the .pro file?
> > ie., in integral (u dv) = u v - integral ( v du)
> > How to specify u v (without the integrals) in .pro file?
> These terms are actually integrated, on the boundary. (Your notation above
> is for the particular case of a 1D segment, whose boundary are points.) You
> would thus treat such terms with a classical integral term in the
> formulation, but on the boundary. The Jacobian should be "Sur" for these
> terms, and the boundary should be included in the support of the basis
> > Thanks in advance.
> > Regards,
> > Raghu
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