本文获得了魏悦广在[Eur.J.Mech.A Solids,2006,25:897-913]中提出的一种简单有效的应变梯度有限元的一组基函数.它与已有基函数等价,但形式更加简单.
We derived an equivalent but simpler basis function of Wei's finite element in [Eur. J. Mech. A Solids, 2006, 25: 897-913], which is a simple and efficient finite element method in the strain gradient theory.