Particle-Discretization Scheme Finite Element Method for Solving Fracture Problems
This paper proposes a simple treatment of material heterogeneity which causes variability of growing crack path when a brittle body fails. A proposed treatment is formulated in terms of a new discretization scheme, called particle discretization scheme (PDS), which uses characteristic functions as basis functions. A new finite element method implemented with the discretization scheme (PDS-FEM) is developed. For a plate with initial anti-symmetric cracks, Monte-Carlo simulation of crack growth is made by means of PDSFEM, and the variability of the computed crack path are compared with the experimental data. It is shown that even though some limitations are found, PDS-FEM analysis is able to evaluate the variability of growing crack path.
variability of brittle failure computation of cracking particle discretization scheme probability density function fracture ezperiment
M.Hori K.Oguni W.M.J.Lalith T.Okinaka
Earthquake Research Institute,the University of Tokyo,Tokyo,Japan Department of System Design Engineering,Keio University,Kanagawa,Japan Japan Agency for Marine-Earth Science and Technology,Kanagawa,Japan Department of Civil Engineering,Kinki University,Osaka,Japan
国际会议
南京
英文
1-11
2009-10-18（万方平台首次上网日期，不代表论文的发表时间）