Applied Mathematics and Mechanics (English Edition) ›› 1980, Vol. 1 ›› Issue (2): 159-164.
钱伟长
Chien Wei-zang
摘要: In this paper, the explicit forms of field functions in tetrehedron elements with 16 and 20 degrees of freedom are given in terms of volume coordinates L1, L2, L3, L4 of tetrahedron.