节点梯度光滑有限元配点法1)
樊礼恒, 王东东, 刘宇翔, 杜洪辉

A FINITE ELEMENT COLLOCATION METHOD WITH SMOOTHED NODAL GRADIENTS1)
Fan Liheng, Wang Dongdong, Liu Yuxiang, Du Honghui
图20 三维厚壁圆筒势问题有限元离散模型
Fig.20 Non-uniform finite element discretizations for the 3D hollow cylinder potential problem