Search Results - "Campagnolo, A"

Fatigue strength of severely notched specimens made of Ti-6Al-4V under multiaxial loading by Berto, F., Campagnolo, A., Lazzarin, P.

“…The present paper deals with multiaxial fatigue behaviour of severely notched components made of titanium grade 5 alloy (Ti–6Al–4V). The experimental tests…”
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State of the art of corner point singularities under in-plane and out-of-plane loading by Pook, Les P., Berto, F., Campagnolo, A.

“…•At present corner point singularities are only partly understood.•Results from highly accurate finite element analyses have not resolved the problem.•Two…”
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Coupled fracture modes of discs and plates under anti-plane loading and a disc under in-plane shear loading by Pook, L. P., Campagnolo, A., Berto, F.

“…Three‐dimensional effects near crack tips have been deeply investigated in the past, but the topic is still ongoing and under investigation. However, the…”
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Local strain energy density to predict mode II brittle fracture in Brazilian disk specimens weakened by V-notches with end holes by Torabi, A.R., Campagnolo, A., Berto, F.

“…•New experimental data from V-notches with end hole under mode II loads are provided.•Brazilian disks containing V-notches with end hole made of plexiglass…”
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Coupled fracture mode of a cracked plate under anti-plane loading by Pook, Les P., Campagnolo, A., Berto, F., Lazzarin, P.

“…•The existence of three-dimensional effects at cracks has been known for many years.•A coupled fracture mode generated by a nominal anti-plane loading of discs…”
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Numerical calibration and experimental validation of the direct current potential drop (DCPD) method for fracture mechanics fatigue testing of single-edge-crack round bars by Vecchiato, L., Campagnolo, A., Meneghetti, G.

“…•The DCPD method is applied in axial fatigue tests of single-edge-crack round bars.•The effect of the position of the current and potential probes is…”
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A comparison among some recent energy- and stress-based criteria for the fracture assessment of sharp V-notched components under Mode I loading by Lazzarin, P., Campagnolo, A., Berto, F.

“…Fracture assessment of components weakened by sharp V-notches is typically carried out by means of the Notch Stress Intensity Factors (NSIFs), which quantify…”
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Coupled fracture mode of a cracked disc under anti-plane loading by Pook, Les P., Berto, F., Campagnolo, A., Lazzarin, P.

“…•A coupled fracture mode in cracked discs is studied by finite element analysis.•The influence of plate bending increases as disc thickness decreases.•Bažant…”
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Rapid finite element evaluation of the averaged strain energy density of mixed-mode (I + II) crack tip fields including the T-stress contribution by Campagnolo, A., Meneghetti, G., Berto, F.

“…The strain energy density (SED) averaged over a material dependent control volume has been demonstrated to control fracture and fatigue behaviour of different…”
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Calibration of the potential drop method by means of electric FE analyses and experimental validation for a range of crack shapes by Campagnolo, A., Meneghetti, G., Berto, F., Tanaka, K.

“…In experimental fatigue tests, it may be necessary to identify the onset of crack initiation, which is often defined at a given (short) crack length. Different…”
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Fatigue strength assessment of partial and full-penetration steel and aluminium butt-welded joints according to the peak stress method by Meneghetti, G., Campagnolo, A., Berto, F.

“…In fatigue design of welded joints, the local approach based on the notch stress intensity factors (NSIFs) assumes that the weld toe profile is a sharp V‐notch…”
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Averaged strain energy density estimated rapidly from the singular peak stresses by FEM: Cracked bars under mixed-mode (I+III) loading by Meneghetti, G., Campagnolo, A., Berto, F.

“…The strain energy density (SED) averaged over a material dependent control volume proved to control fracture and fatigue behaviour of different materials in…”
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The effects of different boundary conditions on three-dimensional cracked discs under anti-plane loading by Campagnolo, A., Berto, F., Lazzarin, P.

“…Accordingly to the recent multi-scale model proposed by Sih and Tang, different orders of stress singularities are related to different material dependent…”
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Experimental and theoretical investigation of brittle fracture in key-hole notches under mixed mode I/II loading by Torabi, A. R., Campagnolo, A., Berto, F.

“…The Brazilian disk specimen weakened by a central dumbbell-shaped slit with two key-shaped ends and made of PMMA is employed to perform mixed mode I/II brittle…”
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A synthesis of Polymethylmethacrylate data from U-notched specimens and V-notches with end holes by means of local energy by Berto, F., Campagnolo, A., Elices, M., Lazzarin, P.

“…► A criterion based on the mean value of the strain energy is used for fracture assessment. ► The volume is dependent on the linear elastic tensile strength…”
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Cyclic plasticity in three-dimensional notched components under in-phase multiaxial loading at R=−1 by Campagnolo, A., Berto, F., Marangon, C.

“…•The incremental cyclic plasticity theory is extended to the study of three dimensional effects.•The analytical frame has been validated considering…”
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Automated implementation of the Peak Stress Method for the fatigue assessment of complex welded structures by Visentin, A., Campagnolo, A., Babini, V., Meneghetti, G.

“…•A full-automated peak stress method tool has been developed in Ansys® mechanical.•FEM-assisted fatigue strength assessment of complex welded joints and…”
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Fatigue strength of austempered ductile iron-to-steel dissimilar arc-welded joints by Meneghetti, G., Campagnolo, A., Berto, D., Pullin, E., Masaggia, S.

“…Nowadays, the use of different classes of materials in the same structure is increased to keep pace with innovation and high structural performances. In this…”
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Brittle Failure of Graphite Weakened by V-Notches: A Review of Some Recent Results Under Different Loading Modes by Berto, F., Campagnolo, A., Gallo, P.

“…The present paper summarizes some recent experimental, theoretical and numerical results on brittle fracture of isostatic polycrystalline graphite. The…”
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Rapid evaluation of notch stress intensity factors using the peak stress method: Comparison of commercial finite element codes for a range of mesh patterns by Meneghetti, G., Campagnolo, A., Avalle, M., Castagnetti, D., Colussi, M., Corigliano, P., De Agostinis, M., Dragoni, E., Fontanari, V., Frendo, F., Goglio, L., Marannano, G., Marulo, G., Moroni, F., Pantano, A., Rebora, A., Scattina, A., Spaggiari, A., Zuccarello, B.

“…The peak stress method (PSM) is an engineering, finite element (FE)‐oriented method to rapidly estimate the notch stress intensity factors by using the…”
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