一、预备知识 二、数据类型 三、常量与变量 四、不同类型数据间的转换 五、运算符和表达式

一、C语言发展历史 二、C语言特点 三、C程序格式和结构特点 四、C程序上机步骤

Extend definition to material bodies: total work is the addition of the work done on all particles by forces distributed over the volume W by forces distributed over the surface t·udS

1．C 语言的基本语句 2．简单的 C 程序结构 3．字符数据的输入输出___getchar 与 putchar 函数

1．关系运算符和关系表达式 2．逻辑运算符和逻辑表达式 3．条件运算符及条件表达式 4．IF 语句

Which of the following expressions most ac curately and simply represents the comple mentary strain energy density Uc of a linear elastic material?

For the uniform state of plane strain shown in the fig ure,which one(s) of the following statement(s) is(are valid?(Assume Poisson's ratio v+0)

Unit #9 -Calculus of Variations Let u be the actual configuration of a structure or mechanical system. u satisfies the displacement boundary conditions: u=u* on Su. Define

Principle of Virtual Displacements Consider a body in equilibrium. We know that the stress field must satisfy the differential equations of equilibrium. Multiply the differential equations of equilibrium by an \arbitrary\displacement field T

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