A projection‐based quaternion discretization of the geometrically exact beam model
Sign Up to like & getrecommendations! Published in 2024 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.7538
Abstract: In the present work the geometrically exact beam model is formulated in terms of unit quaternions. A projection‐based discretization approach is proposed which is based on a normalization of the quaternion approximation. The discretization relies… read more here.
Keywords: exact beam; geometrically exact; beam; projection based ... See more keywords
Geometrically exact beam element with predefined stress resultant fields for nonlinear analysis of FG curved beams with discontinuous stiffness
Sign Up to like & getrecommendations! Published in 2021 at "Composite Structures"
DOI: 10.1016/j.compstruct.2021.114437
Abstract: Abstract Based on the geometrically exact beam theory, a novel force-based beam finite element formulation is proposed in this paper for geometrically nonlinear analysis of functional graded (FG) curved beams with discontinuous stiffness. In this… read more here.
Keywords: exact beam; geometrically exact; curved beams; beam ... See more keywords
Exact Beam Synthesis With RIS-Augmented Receiver
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DOI: 10.1109/access.2025.3608937
Abstract: This article introduces an exact, first-principles method for beamforming with a receiver that is augmented by a reconfigurable intelligent surface (RIS). We demonstrate a way to synthesize a target beam from a finite set of… read more here.
Keywords: exact beam; beam synthesis; beam; augmented receiver ... See more keywords