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Tytuł:
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Mechanical Modeling of the Bandgap Response of Tensegrity Metamaterials.
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Autorzy:
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Amendola, Ada
Krushynska, Anastasiia
Piano, Mariella De
Daraio, Chiara
Pugno, Nicola M.
Fraternali, Fernando
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Temat:
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MECHANICAL models
CASE hardening
NONLINEAR waves
NONLINEAR systems
LINEAR statistical models
METAMATERIALS
PRESTRESSED concrete
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Źródło:
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AIP Conference Proceedings; 2019, Vol. 2116 Issue 1, p260010-1-260010-4, 4p, 1 Diagram, 2 Graphs
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We investigate the acoustic band structure of tensegrity mass-spring chains as a function of the applied, local and global states of prestress. We first study the bandgap response of linear monoatomic chains, which show lumped masses connected to tensegrity prisms acting as mechanical springs. Next, we present a numerical study on the nonlinear wave dynamics of the examined systems in the geometrically nonlinear regime that is induced by the presence of moderately large relative displacements between the lumped masses. Such a study confirms the results of the linear analysis in the case of an elastically hardening system. [ABSTRACT FROM AUTHOR]
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