Navegando por Autor "Prates Filho, Julio"

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    Uniform stability of a non-autonomous semilinear Bresse system with memory.
    (2018-01) Araújo, Rawlilson O.; Fu, Ma To; Marinho, Sheyla S.; Prates Filho, Julio
    The Bresse system is a recognized mathematical model for vibrations of a circular arched beam that contains the class of Timoshenko beams when the arch's curvature is zero. It turns out that the majority of mathematical analysis to Bresse systems are concerned with the asymptotic stability of linear homogeneous problems. Under this scenario, we consider a nonlinear Bresse system modeling arched beams with memory effects, in a nonlinear elastic foundation. Then we establish uniform decay rates of the energy under time-dependent external forces.