• Mauricio V. Donadon
  • Mariano A. Arbelo
  • Paulo Rizzi
  • Carlos V. Montestruque
  • Lucas Amaro
  • Saullo Castro
  • Marcos Shiino

This paper presents a novel damage mechanics based failure model enabling the prediction of low cycle fatigue life and residual strength of isotropic structures under multiaxial loading. The approach herein proposed does not discretize every load cycle but instead takes an envelope loading whereby the numerical load remains constant at a maximum load level and the number of cycles is obtained from a given elapsed time defined within a pseudo-time framework. The proposed formulation is based on the smeared cracking approach accounting for damage propagation due to static and fatigue loadings, where the static component is based on the Von-Mises yield criterion and Prandtl-Reuss stress flow rule; whereas the crack propagation in cyclic loading component is based on the Paris-law. Furthermore, the formulation combines damage mechanics and fracture mechanics within a unified approach enabling the control of the energy dissipated in each loading cycle.

Original languageEnglish
Title of host publicationICAF 2019 – Structural Integrity in the Age of Additive Manufacturing - Proceedings of the 30th Symposium of the International Committee on Aeronautical Fatigue, 2019
EditorsJerzy Komorowski, Antoni Niepokolczycki
PublisherSpringer
Pages336-348
Number of pages13
ISBN (Print)9783030215026
DOIs
Publication statusPublished - 1 Jan 2020
Event30th Symposium of the International Committee on Aeronautical Fatigue, ICAF 2019 - Warsaw, Poland
Duration: 2 Jun 20197 Jun 2019

Publication series

NameLecture Notes in Mechanical Engineering
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

Conference30th Symposium of the International Committee on Aeronautical Fatigue, ICAF 2019
CountryPoland
CityWarsaw
Period2/06/197/06/19

    Research areas

  • Damage mechanics, Damage propagation, Finite elements, Smeared cracking approach

ID: 57753219