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Damage mechanics-finite element method for vibrational fatigue life prediction of engineering structures with damping

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper provides a new method which is damage mechanics to predict the fatigue life of engineering structure with damping under resonant loading. The material parameters are obtained by the results of the fatigue test of standard specimens. And based on the further development of APDL language, damage mechanics-finite element method for vibration life prediction under resonant loading is used in ANSYS. Finally, the vibrational fatigue crack initiation life of an aluminum alloy beam with damping carrying load of various frequencies is calculated. What's more, this research provides a feasible way to predict the fatigue live of an engineering structure by means of damage mechanics.

Original languageEnglish
Title of host publicationMechanical Science and Engineering IV
Pages17-21
Number of pages5
DOIs
StatePublished - 2014
Event2014 4th International Conference on Mechanical Science and Engineering, ICMSE 2014 - Sanya, Hainan Island, China
Duration: 2 Jan 20144 Jan 2014

Publication series

NameApplied Mechanics and Materials
Volume472
ISSN (Print)1660-9336
ISSN (Electronic)1662-7482

Conference

Conference2014 4th International Conference on Mechanical Science and Engineering, ICMSE 2014
Country/TerritoryChina
CitySanya, Hainan Island
Period2/01/144/01/14

Keywords

  • Damage mechanics
  • Finite element
  • Life prediction
  • Vibration fatigue life

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