Browsing Research Articles (Mathematics and Applied Mathematics) by UP Author "Deugoue, Gabriel"

Browsing Research Articles (Mathematics and Applied Mathematics) by UP Author "Deugoue, Gabriel"

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  • Approximation of the trajectory attractor of the 3D MHD system 
    Deugoue, Gabriel (American Institute of Mathematical Sciences (AIMS), 2013-09)
    We study the connection between the long-time dynamics of the 3D magnetohydrodynamic- model and the exact 3D magnetohydrodynamic system. We prove that the trajectory attractor U of the 3D magnetohydrodynamic- model ...
  • Convergence for a splitting-up scheme for the 3D stochastic Navier-Stokes-α Model 
    Deugoue, Gabriel; Sango, Mamadou (Taylor & Francis, 2014-02)
    We propose and analyze a splitting-up scheme for the numerical approximation of the 3D stochastic Navier-Stokes- model. We prove the convergence of the scheme to the unique variational solution of the 3D stochastic ...
  • On the 3-D stochastic magnetohydrodynamic-α model 
    Deugoue, Gabriel; Razafimandimby, Paul Andre; Sango, Mamadou (Elsevier, 2012-05)
    We consider the stochastic three dimensional magnetohydrodynamic-α model (MHD-α) which arises in the modeling of turbulent flows of fluids and magnetofluids. We introduce a suitable notion of weak martingale solution and ...
  • On the stochastic 3D Navier-Stokes-alpha model of fluids turbulence 
    Deugoue, Gabriel; Sango, Mamadou (Hindawi, 2009)
    We investigate the stochastic 3D Navier-Stokes-α model which arises in the modelling of turbulent flows of fluids. Our model contains nonlinear forcing terms which do not satisfy the Lipschitz conditions. The adequate ...
  • On the strong solution for the 3D Stochastic Leray-Alpha Model 
    Deugoue, Gabriel; Sango, Mamadou (Hindawi Publishing Corporation, 2010)
    We prove the existence and uniqueness of strong solution to the stochastic Leray-α equations under appropriate conditions on the data. This is achieved by means of the Galerkin approximation scheme. We also study the ...
  • On the time discretization for the globally modified three dimensional Navier–Stokes equations 
    Deugoue, Gabriel; Djoko, J.K. (Jules Kamdem) (Elsevier, 2011-02)
    In this work, we analyze the discrete in time 3D system for the globally modified Navier–Stokes equations introduced by Caraballo (2006) [1]. More precisely, we consider the backward implicit Euler scheme, and prove the ...
  • Strong solutions for the stochastic 3D LANS-α model driven by non-Gaussian Lévy noise 
    Deugoue, Gabriel; Sango, Mamadou (World Scientific Publishing, 2015-06)
    We establish the existence, uniqueness and approximation of the strong solutions for the stochastic 3D LANS- model driven by a non-Gaussian L evy noise. Moreover, we also study the stability of solutions. In particular, ...