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Mostrando ítems 111-120 de 232
Signatures of primordial non-Gaussianities in the matter power-spectrum and bispectrum: the time-RG approach
(Iop Publishing Ltd, 2010-03-01)
We apply the time-renormalization group approach to study the effect of primordial non-Gaussianities in the non-linear evolution of cosmological dark matter density perturbations. This method improves the standard perturbation ...
Sobre uma família de equações de evolução não lineares : existência, classificação e instabilidade de soluções ondas viajantes
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Matemática - PPGMCâmpus São Carlos, 2018-03-26)
This thesis is concerned with the orbital instability for a specific class of periodic traveling wave solutions with the mean zero related to the modified Camassa-Holm equation. These solutions, called snoidal waves, are ...
Faraday waves in Bose-Einstein condensates with engineering three-body interactions
(2015-12-16)
We consider Bose-Einstein condensates with two- and three-body interactions periodically varying in time. Two models of time-dependent three-body interactions, with quadratic and quartic dependence on the two-body atomic ...
A nonlinear model for multilayered rubber isolators based on a co-rotational formulation
(2017)
This article proposes a geometrically nonlinear co-rotational model aimed to characterize the mechanical behavior of elastomeric seismic isolators. The model is able to capture the axial and lateral coupling in both axial ...
Performance evaluation of robust parametric control strategies applied on suppression of oscillations effects due to constant power loads in multi-converter buck-buck systemsAvaliação de desempenho de estratégias de controle paramétrico robusto aplicadas na supressão de efeitos de oscilações devido a cargas de potência constantes em sistemas de buck-buck multi-conversor
(Universidade Federal do ParáBrasilInstituto de TecnologiaUFPAPrograma de Pós-Graduação em Engenharia Elétrica, 2018)
Reheating in the presence of inhomogeneous noise
(American Physical SocCollege PkEUA, 1999)
Análisis paramétrico de un cosechador aeroelástico de energía: Aspectos estructuralesParametric analysis of an aeroelastic energy harvester: structural aspects
(Asociación Argentina de Mecánica Computacional, 2018-11)
En la última década, la cosecha de energía a partir de fuentes ambientales ha sido un tópicoimportante en el área de la investigación. La motivación viene dada por la posibilidad de alimentar a dispositivos de baja potencia ...
Generalized Kaufman-Stenflo equations for collisional magnetoplasmas
(Royal Swedish Acad SciencesStockholmSuécia, 1999)