[图书][B] Spectral and dynamical stability of nonlinear waves

T Kapitula, K Promislow - 2013 - Springer
The stability of nonlinear waves has a distinguished history and an abundance of richly
structured yet accessible examples, which makes it not only an important subject but also an …

Nonlinear dispersion properties of one-dimensional mechanical metamaterials with inertia amplification

V Settimi, M Lepidi, A Bacigalupo - International Journal of Mechanical …, 2021 - Elsevier
Architected metamaterials offering superior dynamic performances can be conceived by
inducing local mechanisms of inertia amplification in the periodic microstructure. A one …

On the spectra of periodic waves for infinite-dimensional Hamiltonian systems

M Haˇraˇguş, T Kapitula - Physica D: Nonlinear Phenomena, 2008 - Elsevier
We consider the problem of determining the spectrum for the linearization of an infinite-
dimensional Hamiltonian system about a spatially periodic traveling wave. By using a Bloch …

Stability of small periodic waves for the nonlinear Schrödinger equation

T Gallay, M Hărăguş - Journal of Differential Equations, 2007 - Elsevier
The nonlinear Schrödinger equation possesses three distinct six-parameter families of
complex-valued quasiperiodic traveling waves, one in the defocusing case and two in the …

Of bulk and boundaries: Generalized transfer matrices for tight-binding models

V Dwivedi, V Chua - Physical Review B, 2016 - APS
We construct a generalized transfer matrix corresponding to noninteracting tight-binding
lattice models, which can subsequently be used to compute the bulk bands as well as the …

Orbital stability of periodic waves for the nonlinear Schrödinger equation

T Gallay, M Hǎrǎgus - Journal of dynamics and Differential Equations, 2007 - Springer
The nonlinear Schrödinger equation has several families of quasi-periodic traveling waves,
each of which can be parametrized up to symmetries by two real numbers: the period of the …

Analytical spectral design of mechanical metamaterials with inertia amplification

V Settimi, M Lepidi, A Bacigalupo - Engineering Structures, 2023 - Elsevier
Functional metamaterials offering superior dynamic performances can be conceived by
introducing local mechanisms of inertia amplification in the periodic microstructure of cellular …

[HTML][HTML] Multifield nested metafilters for wave propagation control

F Fantoni, E Bosco, A Bacigalupo - Extreme Mechanics Letters, 2022 - Elsevier
The present work proposes a novel class of multifield nested tunable metadevices that serve
as high performance acoustic metafilters. The designed metafilter is characterized by a …

Elliptic solutions of the defocusing NLS equation are stable

N Bottman, B Deconinck, M Nivala - Journal of Physics A …, 2011 - iopscience.iop.org
The stability of the stationary periodic solutions of the integrable (one-dimensional, cubic)
defocusing nonlinear Schrödinger (NLS) equation is reasonably well understood, especially …

Variational-asymptotic homogenization of thermoelastic periodic materials with thermal relaxation

D Préve, A Bacigalupo, M Paggi - International Journal of Mechanical …, 2021 - Elsevier
A multi-scale variational-asymptotic homogenization method for periodic microstructured
materials in presence of thermoelasticity with periodic spatially dependent one relaxation …