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Homogenization of sandwich structures
Author(s) -
Rabczuk T.,
Kim J. Y.,
Samaniego E.,
Belytschko T.
Publication year - 2004
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.1100
Subject(s) - homogenization (climate) , interlacing , buckling , structural engineering , lattice (music) , materials science , mathematics , composite material , mathematical analysis , engineering , physics , computer science , acoustics , biodiversity , ecology , biology , operating system
Abstract A homogenization method is proposed for sandwich structures consisting of two plates interlaced with beams and shells in a periodic, lattice structure. The proposed method is a quasi‐continuum approach where the constitutive response is obtained from the generalized forces of the interlacing elements. Buckling is studied as part of this model. Comparison of the homogenized model with fully discrete models show reasonable to very good agreement. Copyright © 2004 John Wiley & Sons, Ltd.