一、当前企业中的各种信息系统 二、信息系统体系结构的框架 三、系统的各类建构板块

一、信息系统开发生命周期 二、信息系统开发方法学 三、计算机辅助软件工程 四、软件成熟度模型

The finite element melod I In FEM I We derived basis functions of arbitrary order for Hhe rod Model

新疆大学：《工程力学》课程教学资源（PPT课件）第十一章 材料力学——强度理论（强度失效分析与设计准则）

he finite element Metnod Overcome limitations of Rita Simple basis functions( ow order polyuouisls) Basisfonctians supported in sdo domains(fuite elemnet Basis functions constructed to provide interpolant of proximate soluton Undetermined beraweters represent vales of dead

the finite derwent meThod Ir position of boundary conditions(olis plcewent) We had obtained the aesewbed finite element eeve Kik2∞ Kht K Ki

Which of the following are real problems with the ritz method 1. Selection of basis functions for general ge- metres 2. Lack of systematic procedure to compute stiff atrix and forcing terms

美国麻省理工大学：《结构分析与设计技术》教学资源（讲义）notes121

美国麻省理工大学：《结构分析与设计技术》教学资源（讲义）notes122

What, in your opinion is the value of ritz's method? 1. Some. It is fraught with difficult make it almost impossible to apply to the challenging problems of design of moder aerospace structures