[en] his work is dedicated to evaluate the influence of the contact on crack
lips on crack path and crack growth rate under multi-axial loading conditions. An
important part is dedicated to algorithmic robustness when handling contact in the
context of XFEM in presence of crack tip enrichment functions. Crack path predictions
as well as crack growth rate are also strongly influenced by the partial contact so that
expressions classically used in the context of uniaxial loading without contact must be
adapted. Preliminary simulations of a cracked cylinder submitted to four points
bending under multiaxial loading conditions are presented and will be compared to
experimental results.
Disciplines :
Mechanical engineering
Author, co-author :
Pierard, Olivier; CENAERO
Jin, Yuan; CENAERO
Wyart, Eric; CENAERO
Dompierre, Benoît
Béchet, Eric ; Université de Liège > Département d'aérospatiale et mécanique > Conception géométrique assistée par ordinateur
Language :
English
Title :
Simulation of contact on crack lips and its influence on fatigue life prediction
Publication date :
01 June 2016
Event name :
11th International Conference on Multiaxial Fatigue & Fracture (ICMFF11)
