Detail publikace

Influence of boundary conditions on higher order terms of near-crack-tip stress field in a WST specimen

VESELÝ, V. ŠESTÁKOVÁ, L. SEITL, S.

Originální název

Influence of boundary conditions on higher order terms of near-crack-tip stress field in a WST specimen

Typ

článek v časopise - ostatní, Jost

Jazyk

angličtina

Originální abstrakt

A precise description of the stress and deformation fields in a cracked body is provided using multi-parameter fracture mechanics based on the approximation of the fields by means of the Williams power series. This paper presents a detailed analysis of the stress field in a wedge-splitting test geometry specimen aimed at the calculation of coefficients of the higher order terms (up to 14) of the Williams expansion. The numerical study is onducted with the use of a conventional finite element package; however, for processing of the results an over-deterministic method is employed. Special attention is paid to the influence of boundary conditions of the test geometry on the values of the coefficients of the higher order terms of the Williams series. The results are compared to data from the literature; a strong effect of the boundary conditions is observed

Klíčová slova

wedge-splitting test, crack tip fields, higher order terms, boundary conditions, over-deterministic method

Autoři

VESELÝ, V.; ŠESTÁKOVÁ, L.; SEITL, S.

Rok RIV

2011

Vydáno

13. 9. 2011

Místo

Switzerland

ISSN

1013-9826

Periodikum

Key Engineering Materials (print)

Ročník

2012

Číslo

488-489

Stát

Švýcarská konfederace

Strany od

399

Strany do

402

Strany počet

4

BibTex

@article{BUT88860,
  author="Václav {Veselý} and Lucie {Malíková} and Stanislav {Seitl}",
  title="Influence of boundary conditions on higher order terms of near-crack-tip stress field in a WST specimen",
  journal="Key Engineering Materials (print)",
  year="2011",
  volume="2012",
  number="488-489",
  pages="399--402",
  issn="1013-9826"
}