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We investigate the accelerated expansion of the late-time universe in theFriedmann-Robertson-Walker metric with nonzero curvature, applying aholographic principle based on a generalized holographic dark energy modelintroduced by Nojiri and Odintsov (2005,2006). We describe the evolution of theuniverse using a generalized equation of state in the presence of a viscousfluid. Solutions of the gravitational equation of motions are obtained inexplicit form for a constant value of the thermodynamic parameter, and forvarious forms of the bulk viscosity. We calculate analytic expressions forinfrared cut-offs in terms of the particle horizon, and derive the energyconservation law in the holographic picture. We show that the inclusion ofnonzero curvature in the Friedmann equation leads to the appearance ofadditional singularities of type Big Rip in the Universe.

Holographic description of the dissipative model of universe with curvature