Ara es mostren els items 1-20 de 74

  • A Caginalp phase-field system based on type III heat conduction with two temperatures 

    Miranville, Alain; Quintanilla de Latorre, Ramón (2016-06-01)
    Article
    Accés obert
    Our aim in this paper is to study a generalization of the Caginalp phasefield system based on the theory of type III thermomechanics with two temperatures for the heat conduction. In particular, we obtain well-posedness ...
  • A Caginalp phase-field system with a nonlinear coupling 

    Miranville, Alain; Quintanilla de Latorre, Ramón (2010-08-01)
    Article
    Accés restringit per política de l'editorial
    Our aim in this article is to study a Caginalp phase-field system based on a thermomechanical theory of deformable continua proposed by Green and Naghdi (called type III thermoelasticity) and with a nonlinear coupling. ...
  • A conserved phase-field system based on the Maxwell–Cattaneo law 

    Miranville, Alain; Quintanilla de Latorre, Ramón (2013-06-01)
    Article
    Accés restringit per política de l'editorial
    Our aim in this paper is to study a generalization of the conserved Caginalp phasefield system based on the Maxwell–Cattaneo law for heat conduction and endowed with Neumann boundary conditions. In particular, we obtain ...
  • A generalization of the Allen–Cahn equation 

    Miranville, Alain; Quintanilla de Latorre, Ramón (2015-04-01)
    Article
    Accés obert
    Our aim in this paper is to study generalizations of the Allen–Cahn equation based on a modification of the Ginzburg–Landau free energy proposed in S. Torabi et al. (2009, A new phase-field model for strongly anisotropic ...
  • A generalization of the Caginalp phase-field system based on the Cattaneo law 

    Miranville, Alain; Quintanilla de Latorre, Ramón (Elsevier, 2009)
    Article
    Accés restringit per política de l'editorial
    We consider in this article a generalization of the Caginalp model for phase transitions based on the Maxwell Cattaneo law, instead of the classical Fourier law. In particular, we prove the existence and uniqueness of ...
  • A note on a non-standard problem for an equation with a delay term 

    Quintanilla de Latorre, Ramón (2010-07-01)
    Article
    Accés restringit per política de l'editorial
    In this note we investigate the continuous dependence of the solutions for a theory of heat conduction with a delay term. We use energy arguments to obtain the continuous dependence results and spectral arguments to prove ...
  • A note on the two temperature theory with dual-phase-lag delay: some exact solutions 

    Quintanilla de Latorre, Ramón; Jordan, P.M. (Elsevier, 2009-10)
    Article
    Accés restringit per política de l'editorial
    In this note we present exact solutions of two initial-boundary value problems (IBVP)s in the setting of a recently-introduced theory of heat conduction, wherein the two temperature theory of the late 1960s is merged ...
  • A Phase-field model based on a three-phase-lag heat conduction 

    Miranville, Alain; Quintanilla de Latorre, Ramón (2011-02-01)
    Article
    Accés restringit per política de l'editorial
    Our aim in this article is to study a phase-field system based on a three-phase-lag for the termal flux vector. In particular, we prove the existence and uniqueness of solutions and then study the spatial behavior of the ...
  • A well-posed problem for the three-dual-phase-lag heat conduction 

    Quintanilla de Latorre, Ramón (2009-12)
    Article
    Accés restringit per política de l'editorial
  • Analysis of the equations governing the motion of a degrading elastic solid due to diffusion of a fluid 

    Quintanilla de Latorre, Ramón; Rajagopal, Kumbakonam (2014-10)
    Article
    Accés obert
    Degradation of solids bearing load due to the infusion of moisture when exposed to the environment can leads to a decrease in their load carrying capacity and can also lead to the failure of the body from performing its ...
  • Analyticity in porous-thermoelasticity with microtemperatures 

    Pamplona, Paulo Xavier; Muñoz Rivera, Jaime E.; Quintanilla de Latorre, Ramón (2012-10-15)
    Article
    Accés restringit per política de l'editorial
    In this note we study the analyticity of the solutions to the one-dimensional porouselasticity problem with temperatures and microtemperatures when viscoelasticity and porous viscosity effects are also present. We show ...
  • Analyticity of solutions in type III thermoelastic plates 

    Liu, Zhuangyi; Quintanilla de Latorre, Ramón (2010-06-01)
    Article
    Accés restringit per política de l'editorial
    In this paper, we consider the system of equations that governs the evolution of the homogeneous and isotropic prestressed type III thermoelastic plates. We prove that the semigroup that generates the solutions to this ...
  • Analyticity of solutions in type III thermoelastic plates [republished article] 

    Liu, Zhuangyi; Quintanilla de Latorre, Ramón (2010-08-01)
    Article
    Accés restringit per política de l'editorial
    In this paper, we consider the system of equations that governs the evolution of the homogeneous and isotropic prestressed type III thermoelastic plates. We prove that the semigroup that generates the solutions to this ...
  • Continuous dependence on initial geometry in linear elastodynamics on a half cylinder 

    Knops, R.J.; Quintanilla de Latorre, Ramón (Elsevier, 2009)
    Article
    Accés restringit per política de l'editorial
    Continuous dependence on the initial time geometry is established for the mean-square integral of the displacement in a linear inhomogeneous anisotropic elastic semi-infinite cylinder in motion subject to a prescribed ...
  • Decay of solutions for a mixture of thermoelastic one dimensional solids 

    Muñoz Rivera, Jaime E.; Naso, Maria-Grazia; Quintanilla de Latorre, Ramón (2013-08-01)
    Article
    Accés restringit per política de l'editorial
    We study a PDE system modeling thermomechanical deformations for a mixture of thermoelastic solids. In particular we investigate the asymptotic behavior of the solutions. First, we identify conditions on the constitutive ...
  • Decay of solutions for a mixture of thermoelastic solids with different temperatures 

    Muñoz Rivera, Jaime E.; Naso, Maria Grazia; Quintanilla de Latorre, Ramón (2016-02-06)
    Article
    Accés restringit per política de l'editorial
    We study a system modeling thermomechanical deformations for mixtures of thermoelastic solids with two different temperatures, that is, when each component of the mixture has its own temperature. In particular, we investigate ...
  • Decay of solutions in nonsimple thermoelastic bars 

    Fernández-Sare, Hugo; Muñoz Rivera, Jaime E.; Quintanilla de Latorre, Ramón (2010-11-01)
    Article
    Accés restringit per política de l'editorial
    In this paper we investigate the asymptotic behavior of the semigroup associated to the solutions of the initial boundary value problem for a one-dimensional nonsimple thermoelastic solids. We show that the semigroup is ...
  • Energy decay rate of a mixed type II and type III thermoelastic system 

    Liu, Zhuangyi; Quintanilla de Latorre, Ramón (2010-11-01)
    Article
    Accés restringit per política de l'editorial
    In this paper, we study the energy decay rate for a mixed type II and type III thermoelastic system. The system consist of a wave equation and a heat equation of type II in another part of the domain, coupled in certain ...
  • Equacions diferencials : problemes resolts 

    Leseduarte Milán, María Carme; Llongueras Arola, Maria Dolors; Magaña Nieto, Antonio; Quintanilla de Latorre, Ramón (Iniciativa Digital Politècnica, 2012)
    Llibre
    Accés restringit als usuaris de la UB, UAB, UPC, UPF, UdG, UdL, URV, UOC, BC, UVic, UJI, URL, UIC
    La resolució de problemes és una metodologia activa d'aprenentatge que estimula l'adquisició de coneixements i, alhora, ajuda a desenvolupar competències. Al món de l'enginyeria es fan servir models matemàtics on apareixen ...
  • Exponential decay in a thermoelastic mixture of solids 

    Alves, M.S.; Muñoz Rivera, Jaime E.; Quintanilla de Latorre, Ramón (Elsevier, 2009-04)
    Article
    Accés restringit per política de l'editorial
    In this paper, we investigate the asymptotic behaviour of solutions to the initial boundary value problem for a one-dimensional mixture of thermoelastic solids. Our main result is to establish a necessary and sufficient ...