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Re-Entrant Honeycomb Auxetic Structure with Enhanced Directional Properties
This paper presents a modified re-entrant honeycomb auxetic structure. The structure is constructed by adding an additional horizontal member between the vertical and re-entrant member of the semi-re-entrant honeycomb model to increase the overall compliance of the structure in order to obtain higher values of negative Poisson's ratio (NPR). An analytical model of the structure is presented, taking into account the bending, shear, and axial deformations. The model is verified using finitedoi:10.3390/ma15228022 pmid:36431508 pmcid:PMC9696268 fatcat:4mjmskjc3fcddoveftopoavdni