Detail publikace

Effect of higher order asymptotic terms on the competition between crack penetration and debond at a bimaterial interface between aligned orthotropic materials

ŠEVEČEK, O. KOTOUL, M. PROFANT, T.

Anglický název

Effect of higher order asymptotic terms on the competition between crack penetration and debond at a bimaterial interface between aligned orthotropic materials

Typ

Článek WoS

Jazyk

en

Originální abstrakt

Crack perpendicularly impinging the bimaterial interface and a crack arbitrary inclined to the interface are considered for a wide range of elastically mismatched materials. In the former case, the effect of the T-stress is investigated, in the latter case the combined effect of a weaker singularity and stronger singularity is examined for a range of crack/interface configurations. For the crack arbitrary inclined to the interface, FE solution of near-crack stress–displacement field obtained using a very fine mesh is compared with analytical singular field considering two leading terms of asymptotic expansion. As a side result it is found that the domain of singular field dominance for an arbitrary inclined crack increases with decreasing angle between the crack and the interface.

Klíčová slova anglicky

Bimaterial interface; Crack penetration and debond; Split singularities; T-stress; Matched asymptotic expansion; Finite fracture mechanics.

Vydáno

2012-01-17

ISSN

0013-7944

Časopis

Engineering fracture mechanics

Ročník

80

Číslo

1

Strany od–do

28–51

Počet stran

24

BIBTEX


@article{BUT90932,
  author="Oldřich {Ševeček} and Michal {Kotoul} and Tomáš {Profant}",
  title="Effect of higher order asymptotic terms on the competition between crack penetration and debond at a bimaterial interface between aligned orthotropic materials",
  journal="Engineering fracture mechanics",
  year="2012",
  volume="80",
  number="1",
  pages="28--51",
  doi="10.1016/j.engfracmech.2011.11.006",
  issn="0013-7944"
}