期刊
FINITE ELEMENTS IN ANALYSIS AND DESIGN
卷 45, 期 1, 页码 37-51出版社
ELSEVIER
DOI: 10.1016/j.finel.2008.07.003
关键词
Arlequin; Multi-scale; Sandwich; Local effects; Finite element
资金
- European FP6 STREP project CASSEM [013517]
- Luxembourgish National Research Fund [FNR/08/AM2c/12]
The paper presents an Arlequin based multi-scale method for studying problems related to the mechanical behaviour of sandwich composite structures. Towards this end, different models are mixed and glued to each other. Several coupling operators are tested in order to assess the usefulness of the proposed approach. A new coupling operator is proposed and tested on the different glued Arlequin zones. A free-clamped sandwich beam with soft core undergoing a concentrated effort on the free edge is used as a typical example (benchmark) in the validation procedure. Numerical simulations were conducted as the preliminary evaluation of the various coupling operators and the discrepancies between local and global models in the gluing zone have been addressed with sufficient care. (C) 2008 Elsevier B. V. All rights reserved.
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