This paper introduces a user-friendly tool for accurate stress prediction in laminate shell models in ABAQUS. The aim is to provide users with a code for the fast computation of three-dimensional solutions that overcome the limitations of classical shell models and facilitate the use of advanced composite failure criteria consistently. The methodology is based on a two-step global/local technique, denoted to as element-wise (EW), in which accurate local models with 3D capabilities stem from individual shell elements. The local analysis exploits refined laminated theories accounting for layer-wise deformations. Numerical examples on a typical aircraft structure serve as assessments to show the tool capabilities in handling various failure mode onsets., e.g., fiber breakage and matrix cracking.

Global-local plug-in for high-fidelity composite stress analysis in ABAQUS / Carrera, E.; de Miguel, A. G.; Filippi, M.; Kaleel, I.; Pagani, A.; Petrolo, M.; Zappino, E.. - In: MECHANICS OF ADVANCED MATERIALS AND STRUCTURES. - ISSN 1537-6494. - ELETTRONICO. - 28:14(2021), pp. 1445-1450. [10.1080/15376494.2019.1676938]

Global-local plug-in for high-fidelity composite stress analysis in ABAQUS

E. Carrera;A. G. de Miguel;M. Filippi;I. Kaleel;A. Pagani;M. Petrolo;E. Zappino
2021

Abstract

This paper introduces a user-friendly tool for accurate stress prediction in laminate shell models in ABAQUS. The aim is to provide users with a code for the fast computation of three-dimensional solutions that overcome the limitations of classical shell models and facilitate the use of advanced composite failure criteria consistently. The methodology is based on a two-step global/local technique, denoted to as element-wise (EW), in which accurate local models with 3D capabilities stem from individual shell elements. The local analysis exploits refined laminated theories accounting for layer-wise deformations. Numerical examples on a typical aircraft structure serve as assessments to show the tool capabilities in handling various failure mode onsets., e.g., fiber breakage and matrix cracking.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2909000