节点文献
关于力学中单元体的准确概念
On the Accurate Concept of Element Body in Mechanics
【摘要】 对力学中用来分析某点受力情况的"单元体"和表示一点应力状态的"单元体",从概念上进行了区分和论述,并对二者的特点作了比较,指出了二者的本质区别,提出了表示一点应力状态的"单元体"的新的表达方式。
【Abstract】 The paper aims to distinguish the two concepts of "element body", one used to analyze the force situation of a certain point, the other denoting the stress state of a certain point. It also discusses their characteristics, points out the essential difference between them, and puts forward a new expression for the latter one.
【关键词】 单元体;
应力状态;
点;
实体;
点的假想放大;
【Key words】 element body; state of stress; point; solid body; the point of imaginary amplification;
【Key words】 element body; state of stress; point; solid body; the point of imaginary amplification;
- 【文献出处】 黄山学院学报 ,Journal of Huangshan University , 编辑部邮箱 ,2013年05期
- 【分类号】O31
- 【下载频次】79