The key word “MODIFIED” sets up a hierarchical expansion which has a boundary-interior decomposition. In 1D this is a series of modified Legendre polynomials supported by the linear finite element shape functions. Then a Quadrilateral element will be made up by a tensor product of this basis in a classical approach to p-type modal elements.

On 21 Apr 2016, at 03:24, Hongfu Zhang <hongfu2233@gmail.com> wrote:

Hi all,
Look at the words in XML "<E COMPOSITE="C[0]" NUMMODES="5" FIELDS="u" TYPE="MODIFIED" />"

I would like to know what the default basis type for the "MODIFIED" ?

Regards!

Hongfu Zhang

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Spencer Sherwin

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