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Energy release rate for kinking crack using mixed finite element
Bouziane Salah,Bouzerd Hamoudi,Boulares Noureddine,Guenfoud Mohamed 국제구조공학회 2014 Structural Engineering and Mechanics, An Int'l Jou Vol.50 No.5
A numerical method, using a special mixed finite element associated with the virtual crack extension technique, has been developed to evaluate the energy release rate for kinking cracks. The element is two dimensional 7-node mixed finite element with 5 displacement nodes and 2 stress nodes. The mixed finite element ensures the continuity of stress and displacement vectors on the coherent part and the free edge effect. This element has been formulated starting from a parent element in a natural plane with the aim to model different types of cracks with various orientations. Example problems with kinking cracks in a homogeneous material and bimaterial are presented to assess the computational accuracies.
Energy release rate for kinking crack using mixed finite element
Salah, Bouziane,Hamoudi, Bouzerd,Noureddine, Boulares,Mohamed, Guenfoud Techno-Press 2014 Structural Engineering and Mechanics, An Int'l Jou Vol.50 No.5
A numerical method, using a special mixed finite element associated with the virtual crack extension technique, has been developed to evaluate the energy release rate for kinking cracks. The element is two dimensional 7-node mixed finite element with 5 displacement nodes and 2 stress nodes. The mixed finite element ensures the continuity of stress and displacement vectors on the coherent part and the free edge effect. This element has been formulated starting from a parent element in a natural plane with the aim to model different types of cracks with various orientations. Example problems with kinking cracks in a homogeneous material and bimaterial are presented to assess the computational accuracies.