A GRADIENT FLOW THEORY OF PLASTICITY FOR ANTIGRANULOCYTES MATERIALS

被引:205
|
作者
VARDOULAKIS, I
AIFANTIS, EC
机构
[1] NATL TECH UNIV ATHENS,DEPT ENGN SCI,GR-15669 ATHENS,GREECE
[2] MICHIGAN TECHNOL UNIV,DEPT MECH ENGN & ENGN MECH,HOUGHTON,MI 49931
[3] ARISTOTELIAN UNIV SALONIKA,SCH TECHNOL,DIV PHYS & MECH,GR-54006 TTHESSALONIKI,GREECE
关键词
D O I
10.1007/BF01299795
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
A flow theory of plasticity for pressure-sensitive, dilatant materials incorporating second order gradients into the flow-rule and yield condition is suggested. The appropriate extra boundary conditions are obtained with the aid of the principle of virtual work. The implications of the theory into shear-band analysis are examined. The determination of the shear-band thickness and the persistence of ellipticity in the governing equations are discussed.
引用
收藏
页码:197 / 217
页数:21
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