Symmetric Point Structure of Superconvergence for Cubic Triangular Elements—A Consultation with Zhu
Keywords:
Cubic triangular element, Superconvergence, Symmetric points.Abstract
Superconvergence structures for rectangular and triangular finite elements are summarized. Two debatable issues in Zhu's paper [18] are discussed. A superclose polynomial to cubic triangular finite element is constructed by area coordinate.