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Analytical, computational and physical models Views: 348 Downloads: 283 Vol. 19, No. 74 (2025) September 22, 2025 pp. 438-451

ENLO-SED: an innovative method for large-scale Strain Energy Density (SED) estimation in welded joints using structural stresses derived from Element Nodal LOads (ENLO)

Giulia Morettini, Simone Lucertini, Filippo Cianetti

Welded joints have always been critical elements of industrial mechanical structures, often being the source of failures related to the presence of fatigue loads. Although the academic world has presented advanced methodologies for the…

10.3221/IGF-ESIS.74.27Copy the DOI link

Details: ENLO-SED: an innovative method for large-scale Strain Energy Density (SED) estimation in welded joints using structural stresses derived from Element Nodal LOads (ENLO) PDF HTML Visual Abstract

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Miscellanea Views: 1,728 Downloads: 480 Vol. 9, No. 34 (2015) September 28, 2015

Local approaches for the fracture assessment of notched components: the research work developed by Professor Paolo Lazzarin

F. Berto

Brittle failure of components weakened by cracks or sharp and blunt V-notches is a topic of active and continuous research. It is attractive for all researchers who face the problem of fracture of materials under different loading…

10.3221/IGF-ESIS.34.02Copy the DOI link

Details: Local approaches for the fracture assessment of notched components: the research work developed by Professor Paolo Lazzarin PDF

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Miscellanea Views: 1,074 Downloads: 516 Vol. 3, No. 9 (2009) pp. pages 13-26

Comportamento a fatica dei giunti saldati in funzione della densità di energia di deformazione locale: influenza dei campi di tensione singolari e non singolari

Paolo Lazzarin

In the Strain Energy Density (SED) approach for fatigue strength assessments of welded joints a well-defined control volume is considered. This volume surrounds the weld root or weld toe, both modelled like sharp (zero radius) V-notches…

10.3221/IGF-ESIS.09.02Copy the DOI link

Details: Comportamento a fatica dei giunti saldati in funzione della densità di energia di deformazione locale: influenza dei campi di tensione singolari e non singolari PDF

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Miscellanea Views: 1,777 Downloads: 508 Vol. 9, No. 34 (2015) September 28, 2015

A link between the peak stresses and the averaged strain energy density for cracks under mixed-mode (I+II) loading

G. Meneghetti, B. Atzori, A. Campagnolo, F. Berto

In this work, a link between the averaged strain energy density (SED) approach and the peak stress method in the case of cracks subjected to mixed mode (I+II) loading has been investigated. Some closed-form expressions of the strain energy…

10.3221/IGF-ESIS.34.11Copy the DOI link

Details: A link between the peak stresses and the averaged strain energy density for cracks under mixed-mode (I+II) loading PDF

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Miscellanea Views: 2,164 Downloads: 543 Vol. 9, No. 33 (2015) June 19, 2015 pp. pages 33-41

Some relationships between the peak stresses and the local strain energy density for cracks subjected to mixed-mode (I+II) loading

G. Meneghetti, A. Campagnolo, F. Berto

In this work, a link between the averaged strain energy density (SED) approach and the peak stress method in the case of cracks subjected to mixed mode (I+II) loading has been investigated. Some closed-form expressions of the strain energy…

10.3221/IGF-ESIS.33.05Copy the DOI link

Details: Some relationships between the peak stresses and the local strain energy density for cracks subjected to mixed-mode (I+II) loading PDF

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SI: Characterisation of Crack Tip Fields Views: 968 Downloads: 363 Vol. 13, No. 49 (2019) May 24, 2019 pp. 53-64

Averaged strain energy density estimated rapidly from the nodal stresses by FEM for cracks under mixed mode loadings including the T-stress contribution

Giovanni Meneghetti, Alberto Campagnolo, Filippo Berto

The present contribution reviews a recently proposed method to rapidly estimate the averaged SED at the tip of short as well as long cracks under in-plane I+II and long cracks under out-of-plane I+III mixed mode loadings. Short cracks are…

10.3221/IGF-ESIS.49.06Copy the DOI link

Details: Averaged strain energy density estimated rapidly from the nodal stresses by FEM for cracks under mixed mode loadings including the T-stress contribution PDF Visual Abstract

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Miscellanea Views: 1,468 Downloads: 554 Vol. 13, No. 47 (2019) December 5, 2018 pp. 383-393

The Strain energy density to estimate lifetime of notched components subjected to variable amplitude fatigue loading

Luca Susmel, Filippo Berto, Zheng Hu

In the present paper, the approach based on the strain energy density (SED) averaged over a structural volume is reformulated to estimate the lifetime of notched components subjected to variable amplitude (VA) uniaxial fatigue loading. The…

10.3221/IGF-ESIS.47.28Copy the DOI link

Details: The Strain energy density to estimate lifetime of notched components subjected to variable amplitude fatigue loading PDF Visual Abstract

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SI: From Microcracks to Structural Failure: Emerging Challenges in Fracture and Structural Integrity Views: 55 Downloads: 32 Vol. 20, No. 77 (2026) May 23, 2026 pp. 298-315

Validation of Notch-Stress Intensity Factor, Strain Energy Density and Effective Notch Stress approaches in fatigue life assessment of austenitic steel welded joints

Santi Marchetta, Pasqualino Corigliano, Giulia Palomba, Giacomo Risitano, Dario Santonocito

The purpose of this work is to validate the N-SIF, SED and ENS approaches for the fatigue design of austenitic stainless steel welded joints. Literature fatigue data for cruciform welded joints, originally expressed in terms of nominal…

10.3221/IGF-ESIS.77.18Copy the DOI link

Details: Validation of Notch-Stress Intensity Factor, Strain Energy Density and Effective Notch Stress approaches in fatigue life assessment of austenitic steel welded joints PDF HTML Visual Abstract

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Fracture Views: 1,543 Downloads: 626 Vol. 16, No. 60 (2022) March 25, 2022 pp. 346-362

Investigation fatigue crack initiation and propagation cruciform welded joints by extended finite element method (XFEM) and implementation SED approach

Hamza Djeloud, Mustafa Moussaoui, Ahmed Kellai, Dahmane Hachi, Filippo Berto, Benattou Bouchouicha, Brahim Elkhalil Hachi

This study has used the strain energy density (SED) approach to evaluate the stress intensity factor (SIF) of cracked cruciform welded joints in Hardox 450 steel. A microstructural analysis was made of Hardox 450 steel which is composed of…

10.3221/IGF-ESIS.60.24Copy the DOI link

Details: Investigation fatigue crack initiation and propagation cruciform welded joints by extended finite element method (XFEM) and implementation SED approach PDF Visual Abstract

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Miscellanea Views: 1,501 Downloads: 616 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 8-15

Crack initiation life in notched Ti-6Al-4V titanium bars under uniaxial and multiaxial fatigue: synthesis based on the averaged strain energy density approach

Giovanni Meneghetti, Alberto Campagnolo, Filippo Berto, Keisuke Tanaka

The fatigue behaviour of circumferentially notched specimens made of titanium alloy, Ti-6Al-4V, has been analysed. To investigate the notch effect on the fatigue strength, pure bending, pure torsion and multiaxial bending-torsion fatigue…

10.3221/IGF-ESIS.41.02Copy the DOI link

Details: Crack initiation life in notched Ti-6Al-4V titanium bars under uniaxial and multiaxial fatigue: synthesis based on the averaged strain energy density approach PDF

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SI: Crack Paths Views: 1,154 Downloads: 1,016 Vol. 13, No. 47 (2019) December 5, 2018 pp. 425-436

Assessment of tensile and fatigue behavior of PEEK in a physiologically relevant environment

Mirco Peron, Jan Torgersen, Filippo Berto

In the last decades the necessity of implant devices is continuously increasing. The researchers have thus focused their attentions on the development of new biocompatible materials, in particular polymers. Among them, polyetheretherketone…

10.3221/IGF-ESIS.47.33Copy the DOI link

Details: Assessment of tensile and fatigue behavior of PEEK in a physiologically relevant environment PDF Visual Abstract

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Miscellanea Views: 1,638 Downloads: 507 Vol. 11, No. 41 (2017) June 28, 2017 pp. Pages 66-70

Joined application of a multiaxial critical plane criterion and a strain energy density criterion in low-cycle fatigue

Andrea Carpinteri, Giovanni Fortese, Camilla Ronchei, Daniela Scorza, Sabrina Vantadori, Filippo Berto

In the present paper, the multiaxial fatigue life assessment of notched structural components is performed by employing a strain-based multiaxial fatigue criterion. Such a criterion, depending on the critical plane concept, is extended by…

10.3221/IGF-ESIS.41.10Copy the DOI link

Details: Joined application of a multiaxial critical plane criterion and a strain energy density criterion in low-cycle fatigue PDF

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SI: Developments in the fracture and fatigue assessment of materials Views: 798 Downloads: 516 Vol. 12, No. 46 (2018) September 23, 2018 pp. 94-101

High cycle fatigue assessment of steel load-carrying cruciform welded joints: an overview of recent results

song wei, Xuesong Liu

In this paper, high cycle fatigue failure behavior of Load-carrying Cruciform Welded Joints (LCWJ) is assessed using Strain Energy Density (SED) approach. Different analytical solutions are proposed and applied to illustrate the effects of…

10.3221/IGF-ESIS.46.10Copy the DOI link

Details: High cycle fatigue assessment of steel load-carrying cruciform welded joints: an overview of recent results PDF Visual Abstract

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Miscellanea Views: 1,887 Downloads: 574 Vol. 9, No. 34 (2015) September 28, 2015

High temperature fatigue tests and crack growth in 40CrMoV13.9 notched components

P. Gallo, F. Berto

The present paper addresses experimentally the high temperature fatigue of 40CrMoV13.9 steel and the effect of surface roughness on fatigue strength and crack initiation. The 40CrMoV13.9 steel is widely used in different engineering high…

10.3221/IGF-ESIS.34.19Copy the DOI link

Details: High temperature fatigue tests and crack growth in 40CrMoV13.9 notched components PDF

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