Effect of a partial contact between the crack faces on its contribution to overall material compliance and resistivity

被引：19
作者：
Trofimov, Anton [1 ]
Drach, Borys [1 ]
Kachanov, Mark [2 ]
Sevostianov, Igor [1 ]
机构：
[1] New Mexico State Univ, Dept Mech & Aerosp Engn, Las Cruces, NM 88003 USA
[2] Tufts Univ, Dept Mech Engn, Medford, MA 02155 USA
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2017年 / 108卷
关键词：
Annular crack; Contact; Crack density; Compliance; Resistivity; ANNULAR CRACK; FRACTURE-MECHANICS; ROUGH SURFACES; ELASTICITY; CONDUCTIVITY; MICROCRACKS; MODEL; SHAPE;
D O I：
10.1016/j.ijsolstr.2016.12.028
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Compliance and resistivity contribution tensors of a penny-shaped crack having a partial contact of arbitrary location along crack faces are found, in terms of contact size and its distance from the center. This result is a first step towards modeling of "rough" cracks having contacts between crack faces. Being applied to multiple cracks, our results yield the "adjusted", for the presence of contacts, value of crack density in terms of contact parameters. Similar results are obtained in the context of conductivity. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：289 / 297
页数：9
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