V-Notched components under non-localized creeping condition: numerical evaluation of stresses and strains
Research output: Contribution to journal › Article › Scientific › peer-review
- University of Padova
- Norwegian University of Science and Technology
- University of Waterloo
The aim of the paper is to present an improvement and extension of the existing notch tip creep stress-strain analysis method developed by Nuñez and Glinka, validated for U-notches only, to a wide variety of blunt V-notches.
The key in getting the extension to blunt V-notches is the assumption of the generalized Lazzarin-Tovo solution that allows a unified approach to the evaluation of linear elastic stress fields in the neighbourhood of both cracks and notches.
Numerous examples have been analysed up to date, and the stress fields obtained according to the proposed method were compared with appropriate finite element data, showing a very good agreement.
In view of the promising results, authors are considering possible further extension of the method to sharp V-notches and cracks introducing the concept of the Strain Energy Density (SED).
|Journal||Procedia Structural Integrity|
|Publication status||Published - 2016|
|MoE publication type||A1 Journal article-refereed|
|Event||European Conference on Fracture - Catania, Italy|
Duration: 20 Jun 2016 → 24 Jun 2016
Conference number: 21
- Creep, V-notches, stress fields, stress evaluation, strain energy density