Determination of the Fracture Parameters in a Stiffened Composite Panel
Chung-Yi Lin
Broschiertes Buch

Determination of the Fracture Parameters in a Stiffened Composite Panel

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A modified J-integral, namely the equivalent domain integral, is derived for a three-dimensional anisotropic cracked solid to evaluate the stress intensity factor along the crack front using the finite element method. Based on the equivalent domain integral method with auxiliary fields, an interaction integral is also derived to extract the second fracture parameter, the T-stress, from the finite element results. The auxiliary fields are the two-dimensional plane strain solutions of monoclinic materials with the plane of symmetry at x(sub 3) = 0 under point loads applied at the crack tip. Thes...