Issue34

G Meneghetti et alii, Frattura ed Integrità Strutturale, 34 (2015) 109-115; DOI: 10.3221/IGF-ESIS.34.11 115 (ii) the employed meshes are rather coarse if compared to those necessary for SED calculation, because the mean element size can be significantly greater than the radius of the control volume adopted for SED evaluation. (*) A version of the present contribution has already been presented at the Third IJFatigue & FFEMS Joint Workshop on "Characterisation of Crack Tip Fields" organized by the Italian Group of Fracture (IGF). R EFERENCES [1] Seweryn, A., Brittle fracture criterion for structures with sharp notches, Eng. Fract. Mech., 47 (1994) 673–681. [2] Boukarouba, T., Tamine, T., Nui, L., Chemini, C. and Pluvinage, G., The use of notch stress intensity factor as a fatigue crack initiation parameter. Eng. Fract. Mech., 52 (1995) 503–512. [3] Lazzarin, P., Tovo, R., A notch intensity factor approach to the stress analysis of welds, Fatigue Fract. Eng. Mater. Struct., 21 (1998) 1089–1104. [4] Atzori, B., Meneghetti, G., Fatigue strength of fillet welded structural steels: finite elements, strain gauges and reality, Int. J. Fatigue, 23 (2001) 713–721. [5] Gross, R., Mendelson, A., Plane elastostatic analysis of V-notched plates, Int. J. Fract. Mech., 8 (1972) 267–272. [6] Williams, M. L., Stress singularities resulting from various boundary conditions in angular corners on plates in tension, J. Appl. Mech., 19 (1952) 526–528. [7] Nisitani, H., Teranishi, T., K I value of a circumferential crack emanating from an ellipsoidal cavity obtained by the crack tip stress method in FEM, In: Guagliano, M., Aliabadi, M. H., editors. Proceedings of the 2nd international conference on fracture and damage mechanics, (2001) 141–146. [8] Nisitani, H., Teranishi, T., K I value of a circumferential crack emanating from an ellipsoidal cavity obtained by the crack tip stress method in FEM, Engng. Fract. Mech., 71 (2004) 579–585. [9] Meneghetti, G., Lazzarin, P., Significance of the elastic peak stress evaluated by FE analyses at the point of singularity of sharp V-notched components, Fatigue Fract. Engng. Mater. Struct., 30 (2007) 95-106. [10] Meneghetti, G., The use of peak stresses for fatigue strength assessments of welded lap joints and cover plates with toe and root failures, Eng. Fract. Mech., 89 (2012) 40-51. [11] Lazzarin, P., Zambardi, R., A finite-volume-energy based approach to predict the static and fatigue behavior of components with sharp V-shaped notches, Int. J. Fract., 112 (2001) 275-298. [12] Berto, F., Lazzarin, P., Recent developments in brittle and quasi-brittle failure assessment of engineering materials by means of local approaches, Mater. Sci. Eng. R, 75 (2014) 1-48. [13] Lazzarin, P., Campagnolo, A., Berto, F., A comparison among some recent energy- and stress-based criteria for the fracture assessment of sharp V-notched components under Mode I loading, Theor. Appl. Fract. Mech., 71 (2014) 21- 30. [14] Torabi, A. R., Campagnolo, A., Berto, F., Experimental and theoretical investigation of brittle fracture in key-hole notches under mixed mode I/II loading, Acta Mech., 226 (2015) 2313-2322. [15] Livieri, P., Lazzarin, P., Fatigue strength of steel and aluminium welded joints based on generalized stress intensity factors and local strain energy values, Int. J. Fract., 133 (2005) 247-276. [16] Berto, F., Campagnolo, A., Lazzarin, P., Fatigue strength of severely notched specimens made of Ti-6Al-4Vunder multiaxial loading, Fatigue Fract. Engng. Mater. Struct., 38 (2015) 503-517. [17] Berto, F., Lazzarin, P., Multiparametric full-field representations of the in-plane stress fields ahead of cracked components under mixed mode loading, Int. J. Fatigue, 46 (2013) 16-26. [18] Meneghetti, G., The peak stress method applied to fatigue assessments of steel and aluminium fillet welded joints subjected to mode-I loading, Fatigue Fract. Engng. Mater. Struct. 31 (2008) 346–369. [19] Meneghetti, G., Atzori, B., Manara, G., The Peak Stress Method applied to fatigue assessments of steel tubular welded joints subject to mode-I loading, Engng. Fract. Mech., 77 (2010) 2100–2114. [20] Meneghetti, G., Campagnolo, A., Berto, F., Fatigue strength assessment of partial and full ‐ penetration steel and aluminium butt ‐ welded joints according to the peak stress method, Fatigue Fract. Engng. Mater. Struct. (in press) doi: 10.1111/ffe.12342.