The project is supported by the National Natural Science Foundation of China(10502028);the Special Foundation for the Authors of the Nationwide(China)Excellent Doctoral Dissertation(200242);the Science Research Foundation of China Agricultural University(2004016).
Recently, some new quadrilateral finite elements were successfully developed by the Quadrilateral Area Coordinate (QAC) method. Compared with those traditional models using isoparametric coordinates, these new model...