Lateral collapse of short-length sandwich tubes compressed by different indenters and exposed to external constraints
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Issue Date
2014-05-02
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Show full item recordAbstract
In this paper, sandwich tube components which consist of thin-walled circular tubes with aluminium foam core are proposed as energy absorption systems. The sandwich tubes were laterally crushed under quasi-static loading conditions. The sandwich tubes were crushed under two types of indenters and exposed to three different types of external constraints. The collapsing behaviour and the energy absorption responses of these systems were investigated by nonlinear finite element analysis through ANSYS-LS-DYNA. Various indicators which describe the effectiveness of energy absorbing systems were used as a marker to compare the various systems. It was found that the sandwich tube systems compressed by cylindrical indenters particularly the unconstrained system and the system with inclined constraints offered a very desirable force-deflection in which the force is almost constant in the post collapse stage. The employing of external constraints was noticed as a feasible method of increasing the SEA particularly when cylindrical indenter is used. © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Citation
Baroutaji, A. and Olabi, A. G. (2014) Lateral collapse of short-length sandwich tubes compressed by different indenters and exposed to external constraints, Materialwissenschaft und Werkstofftechnik, 45(5), pp. 371-384.Publisher
WileyJournal
Materialwissenschaft und WerkstofftechnikType
Journal articleLanguage
enISSN
0933-5137EISSN
1521-4052ae974a485f413a2113503eed53cd6c53
10.1002/mawe.201400236
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