| 旋扭构造的粘弹性力学分析 |
| |
| 引用本文： | 岳石.旋扭构造的粘弹性力学分析[J].地质科学,1989,0(1):95-105. |
| |
| 作者姓名： | 岳石 |
| |
| 作者单位： | 中国地质科学院研究生部 |
| |
| 摘 要： | 本文根据弹性体与粘弹性体中瞬时应力分布的对应关系,通过旋扭构造力学分析的弹性解,然后以三元件Ross粘弹性模型模拟岩石力学性质,求出粘弹性体中的瞬时应力、应变的解析解,再代入岩石的粘弹性常数,算出精确数字解答,最后作出应力应变的时间演化图。
|
| 关 键 词： | 粘弹性 旋扭构造 拉普拉斯变换 |
| 收稿时间： | 1986-10-01 |
| 修稿时间： | 1986-10-01; |
MECHANICAL ANALYSIS ON VORTEX STRUCTURE IN ROCK AS VISCO-ELASTIC MATERIAL |
| |
| Yue. Shi.MECHANICAL ANALYSIS ON VORTEX STRUCTURE IN ROCK AS VISCO-ELASTIC MATERIAL[J].Chinese Journal of Geology,1989,0(1):95-105. |
| |
| Authors: | Yue Shi |
| |
| Institution: | Graduate School of Chinese Academy of Gcoscience, Beijing |
| |
| Abstract: | In this paper, the theory of visco-elastic mechanics is introduced to study the origin and evolution of vortex structure and the effects of time on the development of structural forms.Surpose a ring be stressed on its inside wall and fixed on its outside wall. According to the principle of equivalence between instantaneous stresses in visco-elastic medium and stresses in corresponding elastic one, a stress function and its solutions for the variates of stress, strain and displacement, which are all functions of time, can be obtained. As a visco-elastical problem. The variate of time then was changed into a parameter by Laplace Transform. After obtaining the solutions of the equations, the variate of time was restored by inverse Laplace Transform. The relations of stress strain and displacement to time and space have been brought to light.In the analysis, three-element visco-elastic model (Ross Model) was adopted to simulate the mechanical properties of rocks in the crust, the equations were programmed and calculated by computer and reasonable numerical solutions have been found. |
| |
| Keywords: | visco-elasticity vortex structure Laplace Transform |
| 本文献已被 CNKI 维普 等数据库收录！ |
| 点击此处可从《地质科学》浏览原始摘要信息 |
| 点击此处可从《地质科学》下载免费的PDF全文 |
|
