Combining experimental and numerical analysis to estimate stress fields along the surface crack front

Journal Title: Frattura ed Integrità Strutturale - Year 2013, Vol 7, Issue 25

Abstract

 Combining experimental and computational method for determination of the singular and the non-singular stress terms along the front of the 3D surface crack is proposed. Evaluation of the terms is based on comprehensive comparison between deformation responses (for measurement points on the surface) obtained experimentally and from numerical solutions of the corresponding boundary problem of solid mechanics. The proposed approach allows carrying out an adequate and a comprehensive assessment of stress fields in the vicinity of the surface crack front.

Authors and Affiliations

A. S. Chernyatin, Yu. G. Matvienko, I. A. Razumovsky

Keywords

Related Articles

 Effects of large amounts of hydrogen on the fatigue crack growth behavior of torsional prestrained carbon steel

 The effects of large amounts of hydrogen on the fatigue crack growth properties of torsional prestrained ferritic–pearlitic low-carbon steel were investigated. Hydrogen-precharged specimens were produced by c...

 Paths of interactive cracks in creep conditions

 The paper contains plane strain analysis of uniformly stretched plate working in creep condition. The plate contains initial defects in forms of central and/or edge cracks working in mode I. These cracks are ...

 Fatigue life assessment of a non-load carrying fillet joint considering the effects of a cyclic plasticity and weld bead shape

  Fatigue life depends strongly on irreversible contributions that accumulate during cyclic loading and unloading of structures. However, the correct identification of the loading path in terms of uniaxial or multi-...

 Research on borehole stability of shale based on seepage-stress-damage coupling model

 In oil drilling, one of the most complicated problems is borehole stability of shale. Based on the theory of continuum damage mechanics, a modified Mohr-Coulomb failure criterion according to plastic damage evoluti...

 Fretting fatigue crack propagation rate under variable loading conditions

 Fretting fatigue experiments aim to represent industrial problems and most of them endure variable loading. Being able to assess lifetime of assemblies, especially for low propagation rate conditions, is essential...

Download PDF file
  • EP ID EP125534
  • DOI 10.3221/IGF-ESIS.25.03
  • Views 59
  • Downloads 0

How To Cite

A. S. Chernyatin, Yu. G. Matvienko, I. A. Razumovsky (2013).  Combining experimental and numerical analysis to estimate stress fields along the surface crack front. Frattura ed Integrità Strutturale, 7(25), 15-19. https://europub.co.uk/articles/-A-125534