Fatigue damage prediction in metallic materials based on multiscale modeling

Chuntao Luo, Jun Wei, Manuel Parra-Garcia, Aditi Chattopadhyay, Pedro Peralta

Research output: Contribution to journalArticlepeer-review

21 Scopus citations


This paper addresses the problem of predicting fatigue damage accumulation in metallic materials accounting for local crystal orientation effects using a multiscale model. Single crystal plasticity is introduced to describe crystalline material behavior. At the mesoscale level, different material properties and crystal orientations are assigned to individual grains in a finite element model. Finally, an average method is used to compute the material properties at the mesoscale, which are then applied to a macroscale representative test structure. To predict fatigue damage evolution, a comprehensive fatigue damage criterion is modified to account for single crystal plasticity.

Original languageEnglish (US)
Pages (from-to)2567-2576
Number of pages10
JournalAIAA journal
Issue number11
StatePublished - Nov 2009

ASJC Scopus subject areas

  • Aerospace Engineering


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