Failure analysis involving frictional contact on crack interfaces

Tateki Ishii, Takashi Kyoya, Kenjiro Terada, Yuji Kishino

Research output: Contribution to journalArticlepeer-review


Failure processes of quasi-brittle inhomogeneous materials, such as rock, concrete, and etc., generally involve not only cracking within and/or between constituents but also closing and slippage between crack interfaces, especially when they are subjected to compressive loading. In this paper, we have developed a new analysis method, which enables us to simulate these processes in a consistent manner, by incorporating Lagrange multipliers and a cohesive crack model into the finite cover method (FCM). Several numerical examples are presented to validate the proposed method for failure analysis involving frictional contact on crack interfaces.

Original languageEnglish
Pages (from-to)371-383
Number of pages13
JournalDoboku Gakkai Ronbunshuu A
Issue number2
Publication statusPublished - 2006


  • Cohesive crack model
  • Crack propagation
  • Failure
  • Finite Cover Method (FCM)
  • Frictional contact
  • Lagrange multipliers


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