IMECH-IR  > 流固耦合系统力学重点实验室
Analysis of failure waves with an elasto-statistical-brittle model
Jiang ZJ; Xia MF; Wang HY(汪海英)
2013
会议名称13th International Conference on Fracture 2013, ICF 2013
会议日期June 16, 2013 - June 21, 2013
会议地点Beijing, China
会议录名称13th International Conference on Fracture 2013, ICF 2013
页码3647-3653
摘要The origin and propagation mechanism of failure waves poses a challenge to our conventional understanding of dynamic failure. In this paper, the failure wave is attributed to the catastrophic rupture in brittle materials and an elasto-statistical-brittle (ESB) model is developed to describe the catastrophic behavior. In the ESB model, the disordered heterogeneity of brittle solids at mesoscopic scale is characterized with statistical description of the shear strength of mesoscopic units. The evolution of microdamage is controlled by the shear strength and the shear stress applied, and eventually induces catastrophic rupture in brittle materials. Considering the failure wave as a propagating boundary of catastrophic failure, the propagation of the failure wave is predicated with wave theory. Several predicted speeds of failure waves are in good agreement with experimental observations. Copyright © (2013) by International Conference on Fracture.
关键词Brittleness Crack propagation Shear stress Superconducting materials Catastrophic failures Catastrophic rupture Failure waves Heterogeneity Mesoscopic scale Propagation mechanism Statistical descriptions Wave speed
ISBN号9781629933696
收录类别EI
语种英语
文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/77996
专题流固耦合系统力学重点实验室
作者单位Chinese Academy of Sciences, Institute of Mechanics, 100190, China
推荐引用方式
GB/T 7714
Jiang ZJ,Xia MF,Wang HY. Analysis of failure waves with an elasto-statistical-brittle model[C],2013:3647-3653.
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