... mechanics work, we propose an approximation of the energy release rate field associated with a small surface crack of any boundary location, direction, and orientation combination using the topological derivative. This work builds on the work of Silva et al. (“Energy Release Rate Approximation for Small...

... tip remain finite. 09 01 2009 31 05 2009 11 12 2009 11 12 2009 crack-edge stress field analysis elasticity fracture mechanics integro-differential equations shear deformation surface cracks surface elasticity mode-III crack antiplane deformations complete...

... criterion is applicable to FGM crack initiation prediction if the inherent material gradient length scale is larger than the fracture process zone. 29 06 2007 31 12 2007 11 07 2008 fracture mechanics functionally graded materials internal stresses surface cracks FGM crack...

... to inelastic processes increases from negative to positive electric fields by up to 100%. For the corresponding nonlinear electric energy change during crack growth, only a rough estimate is performed. 15 04 2004 19 03 2007 lead compounds piezoceramics surface cracks piezoelectricity...

... that of a main crack, simply using the sign of the T-stress before crack kinking is not sufficient to determine crack growth stability as observed in recent experiments. 09 05 2005 20 01 2006 surface cracks elasticity fracture mechanics A crack will propagate off its original path due...

... unbounded in the immediate neighborhood of a crack edge. Even worse, when applied to fractures occurring along an interface between two distinct solid phases, it predicts interpenetration of the two fracture surfaces. fracture mechanics numerical analysis continuum mechanics surface cracks...

... analytical results are difficult to obtain for a cracked bimaterial plate with a mode I or mode II crack under dynamic load ( 2 ), we will start from a simple mode III crack to study the effect of material property mismatch, etc. ( 3 ). aluminium steel plates (structures) surface cracks impact...

... laminates ferroelectric materials ferromagnetic materials surface cracks magnetoelectric effects magnetoelastic effects dielectric polarisation piezoelectricity The effects of electromagnetomechanical coupling have been observed in single-phase materials in which simultaneous electric...

... analysis surface cracks fatigue cracks elasticity internal stresses boundary-elements methods Among the different configurations of branched cracks, the singly branched crack, as shown in Fig. 1 , has received the most attention in the literature. There have been many attempts 1 2 3 4 5...

... vibrations surface cracks 2005 American Society of Mechanical Engineers ...

... yield stress surface cracks partial differential equations Hutchinson , J. W. , 1968 , “ Plane Stress and Strain Fields at the Crack Tip ,” J. Mech. Phys. Solids , 16 , pp. 337 – 347 . Unger, D. J., 2001, Analytical Fracture Mechanics , Dover Publications, Mineola, NY. von...

... penny-shaped cracks permittivity surface cracks elastic constants Hankel transforms Piezoelectric materials have been used widely in techniques, such as actuators, sensors, transducers, etc., due to the intrinsic coupling feature between elastic and electric behaviors 1 . However, a main...

.... , and Hutchinson , J. W. , 1993 , “ The Influence of Plasticity on Mixed-Mode Interface Toughness ,” J. Mech. Phys. Solids 0022-5096 10.1016/0022-5096(93)90057-M , 41 , pp. 1119 – 1135 . sapphire polymers self-assembly monolayers fracture surface cracks interface phenomena adhesion...

... surface cracks crack-edge stress field analysis transformation toughening elastic moduli Green's function methods dislocations Consider the plane elastostatics problem shown in Fig. 1 ( a ). A circular inhomogeneity with radius a Poisson’s ratio ν 2 , and shear modulus μ...

... fracture mechanics integral equations surface cracks finite element analysis tensors internal stresses crack-edge stress field analysis To determine fracture parameters, e.g., stress intensity factors (SIFs) and T stress, by means of the interaction integral ( M integral 3 ) method...

... a Triangular Notch on a Rim of a Semi-infinite Plate ,” Eng. Fract. Mech. 0013-7944 , 10 , pp. 773 – 782 . 05 08 2003 24 11 2003 composite material interfaces surface cracks dislocation interactions voids (solid) conformal mapping Green's function methods Composites...

... technique. The resulting singular integral equation is solved numerically and the stress intensity factor variations are plotted for some cases of internal crack interacting with interfacial cavity/crack. 05 08 2003 24 11 2003 crack-edge stress field analysis voids (solid) surface cracks...