A NEW NON-LINEAR CONTINUUM DAMAGE MECHANICS MODEL FOR THE FATIGUE LIFE PREDICTION UNDER VARIABLE LOADING

Fatigue is a damage accumulation process in which material property deteriorates continuously. For the usual failure mode of mechanical components under vari-able loading, fatigue life prediction issues are very impor-tant for selection, design, and safety assessments of these components. Based on continuum damage mechanics theory, this paper presents a new non-linear fatigue dam-age accumulation model for fatigue life prediction under variable...