UNLOADING NEAR A SHEAR-BAND IN GRANULAR MATERIAL

被引：4
|
作者：
SHEARER, M [1 ]
SCHAEFFER, DG [1 ]
机构：
[1] DUKE UNIV, MED CTR, DURHAM, NC 27710 USA
来源：
QUARTERLY OF APPLIED MATHEMATICS | 1994年 / 52卷 / 03期
关键词：
Shear band;
D O I：
10.1090/qam/1292207
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
A model for dynamic deformations of granular materials which allows for the localization of flow and the consequent development of shear bands is considered here. Solutions, asymptotic in small time, of Riemann initial-value problems in one space dimension that include a shear band were constructed. The overall structure of the solution is that the material unloads elastically between the shear band and a free boundary that propagates into a region of plastic deformation.
引用
收藏
页码：579 / 600
页数：22
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