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physics.app-ph2020★ 26 cited
Hierarchy of beam models for lattice core sandwich structures
Anssi T. Karttunen, J. N. Reddy
A discrete-to-continuum transformation to model 2-D discrete lattices as energetically equivalent 1-D continuum beams is developed. The study is initiated in a classical setting bu…
physics.app-ph2020★ 39 cited
Nonlinear finite element analysis of lattice core sandwich plates
Praneeth Nampally, Anssi T. Karttunen, JN Reddy
A displacement-based, geometrically nonlinear finite element model is developed for lattice core sandwich panels modeled as 2-D equivalent single-layer (ESL), first-order shear def…