Journal
MECHANICS OF MATERIALS
Volume 74, Issue -, Pages 76-87Publisher
ELSEVIER
DOI: 10.1016/j.mechmat.2014.03.012
Keywords
Re-entrant structures; Modeling; Energy method; Poisson's ratio; Young's modulus; Density ratio
Categories
Funding
- Ministry of Higher Education (MOHE), Government of Malaysia through Research University Grant (RUG-GUP) UTM [Q.J130000.2524.03H10, Q.J130000.2524.04H82]
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One of the methods in understanding the real microstructure of auxetic material is by separating it into several simplified structures that have distinct mechanisms. Among those simplified structures are chiral and re-entrant structures. This paper adapts a 2D re-entrant structure for a 3D auxetic structure. A re-entrant structure is chosen due to its fundamental characteristics underlying the main characteristics of auxetic materials. The energy methods of solid mechanics along with numerical methods are used to study the fundamental concept of auxetic materials. Understanding the characteristics of the re-entrant structure will lead to the better comprehension of other structures of auxetic materials, which will eventually contribute to the advance of research in this new class of materials. (C) 2014 Elsevier Ltd. All rights reserved.
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