Numerical Integration over Pyramids
DOI:
https://doi.org/10.4208/aamm.12-m12110Keywords:
Reference pyramidal element, nonlinear systems of algebraic equations, Bramble-Hilbert lemma, triangular, tetrahedral and pyramidal numbers.Abstract
Pyramidal elements are often used to connect tetrahedral and hexahedral elements in the finite element method. In this paper we derive three new higher order numerical cubature formulae for pyramidal elements.