Article Dans Une Revue (Article De Synthèse) International Journal of Solids and Structures Année : 2023

Instability-induced pattern generation in architectured materials — A review of methods

Résumé

Architectured materials exhibit unconventional properties directly linked to their geometry. When composed of slender elements, architectured materials can undergo large deformations exhibiting geometric non-linearities through buckling or snapping behaviours of the cell walls. This can create a new pattern in the material with different properties than the original structure. In this article, we present a review of methods for studying pattern generating architectured materials caused by elastic instabilities. We start by reviewing the relevant studies on a classical example : hexagonal honeycombs under compression. We highlight their importance in identifying the underlying bifurcation phenomenon and their contributions to the elaboration of methods for studying mesoscopic (unit-cell length) pattern changes in architectured materials. We then exhaustively review the methods and tools used up to now to study the post-bifurcated behaviour of such materials subject to elastic instabilities.
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hal-04084908 , version 1 (22-01-2025)

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Rachel Azulay, Christelle Combescure, Justin Dirrenberger. Instability-induced pattern generation in architectured materials — A review of methods. International Journal of Solids and Structures, 2023, 274, pp.112240. ⟨10.1016/j.ijsolstr.2023.112240⟩. ⟨hal-04084908⟩
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