Introduction-4 In a continuum structure, a corresponding natural subdivision does not exist so that the continuum has to be artificially divided into a number of elements before the matrix method of analysis can be applied. 连续结构不存在自然的单元,须人为划分为单 元 徐汉忠第一版2000/7 弹性力学第六章有限元徐汉忠第一版2000/7 弹性力学第六章有限元 6 Introduction-4 • In a continuum structure , a corresponding natural subdivision does not exist so that the continuum has to be artificially divided into a number of elements before the matrix method of analysis can be applied. 连续结构不存在自然的单元，须人为划分为单 元