Discussion on local approaches for the fatigue design of welded joints |
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| Authors: | C. Casavola C. Pappalettere |
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| Affiliation: | 1. Department of Engineering University of Ferrara, Italy;2. Department of Aeronautics Imperial College, London;3. Department of Engineering University of Ferrara, Italy;4. Department of Engineering University of Ferrara, Italy;1. Department of Engineering and Management, University of Padova, Stradella San Nicola 3, 36100 Vicenza, Italy;2. School of Marine Science and Engineering, University of Plymouth, Drake Circus, Plymouth, England, United Kingdom;3. Department of Mechanical Engineering, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa;1. Institut Pprime, CNRS, ISAE-ENSMA, Université de Poitiers, Téléport 2, 1 Avenue Clément Ader, 86961 Futuroscope Chasseneuil Cedex, France;2. Safran Tech, Etablissement SAFRAN PARIS-SACLAY, 1 rue Geneviève Aubé, 78772 Magny Les Hameaux Cedex, France;3. CRITT-MATERIAUX/CERMATEX, ZA Beligon, rue Maurice Mallet, 17303 Rochefort Cedex, France;1. ISAE-ENSMA – UPR CNRS 3346, Institut Pprime, Département Physique et Mécanique des Matériaux, Téléport 2, Avenue Clément Ader, BP 40 109, 86961 Futuroscope, France;2. MATEIS, INSA Lyon/Université de Lyon/CNRS, F-69621 Villeurbanne Cedex, France;3. CTIF, 44 avenue de la Division Leclerc, F-92318 Sevres Cedex, France;1. Mechanical Engineering Department, Engineering Faculty, Pamukkale University, 20070 Kinikli, Denizli, Turkey;2. Volkswagen AG, Technical Development, 1697, 38436 Wolfsburg, Germany;3. Fraunhofer – Institute for Structural Durability and System Reliability LBF, Bartningstrasse 47, 64289 Darmstadt, Germany;1. State Key Lab of Structural Analysis for Industrial Equipment, School of Naval Architecture Engineering, Dalian University of Technology, Dalian, China;2. Faculty of Engineering, Yokohama National University, Yokohama, Japan |
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| Abstract: | Design of welded structures under fatigue is governed by two conflicting requirements: to minimize weight without compromising structure safety. Any theoretical and/or numerical approaches are necessarily based on some simplifying assumptions which, because of the complexity of fatigue phenomena, could miss some aspects involved in the real structure behaviour. On the other side, experimental approaches provide direct information on structure behaviour. In view of this, the paper will underline the importance of experimental observations and practical procedures to evaluate the stress/strain magnitude that could lead some components to unsafe working conditions. Experimental approaches may greatly support designers in all industrial applications where fast and reliable responses are strongly needed. |
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