Section 12.1 Introduction and Assumptions 引言和假定 a plate is a body bounded by two closely spaced parallel planes and one or more prismatical surfaces normal to the planes
Introduction-1导引-1 The finite element method is an extension of the analysis techniques(matrix method) of ordinary framed structures. 有限元法是刚架结构分析技术的扩充。 The finite element method was pioneered in the aircraft industry where there was an urgent need for accurate analysis of complex airframe 有限元法首先应用于飞机工业