• A new approach to MGT-thermoviscoelasticity 

      Conti, Monica; Pata, Vittorino; Pellicer Sabadí, Marta; Quintanilla de Latorre, Ramón (American Institute of Mathematical Sciences, 2021-04-06)
      Artículo
      Acceso restringido por política de la editorial
      In this paper we discuss some thermoelastic and thermoviscoelastic models obtained from the Gurtin theory, based on the invariance of the entropy under time reversal. We derive differential systems where the temperature ...
    • A problem with viscoelastic mixtures: numerical analysis and computational experiments 

      Fernández, José Ramón; Masid, Maria; Magaña Nieto, Antonio; Quintanilla de Latorre, Ramón (2019-12-06)
      Artículo
      Acceso abierto
      In this paper, we study, from the numerical point of view, a dynamic problem involving a mixture of two viscoelastic solids. The mechanical problem is written as a system of two coupled partial differential equations. Its ...
    • A truss element for modelling reversible softening in living tissues 

      Muñoz Romero, José; Conte, Vito; Asadipour, Nina; Miodownik, M. (2013-04-01)
      Artículo
      Acceso abierto
      We resort to non-linear viscoelasticity to develop a truss element able to model reversible softening in lung epithelial tissues undergoing transient stretch. Such a Maxwell truss element is built by resorting to a ...
    • An a priori error analysis of poro-thermoviscoelastic problems 

      Bazarra, Noelia; Fernández, Jose R.; Quintanilla de Latorre, Ramón (Elsevier, 2020-08-15)
      Artículo
      Acceso restringido por política de la editorial
      In this paper, we study, from the numerical point of view, a dynamic one-dimensional problem arising in thermoelasticity and thermoviscoelasticity of types II and III. Porosity is also included into the models. The generic ...
    • Application d’une Méthode de Balance Harmonique aux Jonctions Elastomères 

      Nieto Ferro, Alex (Universitat Politècnica de Catalunya, 2009-09-23)
      Proyecto/Trabajo final de carrera
      Acceso restringido por decisión del autor
      La méthode de Balance Harmonique est une méthode fréquentielle de calcul de solutions périodiques de systèmes dynamiques non-linéaires. Cette méthode est aujourd’hui bien maîtrisée pour des modèles phénoménologiques à ...
    • Aproximació numèrica de problemes d'interacció fluid-estructura amb fluids viscoelàstics 

      Cattoni Correa, Domingo Eugenio (Universitat Politècnica de Catalunya, 2019-09-27)
      Projecte Final de Màster Oficial
      Acceso abierto
      El problema d'interacció fluid-estructura és un tema clàssic en enginyeria, amb aplicacions tant diverses com l'aerodinàmica de ponts o el flux en conductes deformables. Un exemple d'aquest segon grup és el de flux de sang ...
    • Cell-centered truss model for the analysis of cell rheology and remodelling 

      Muñoz Romero, José; Asadipour, Nina; Albo, Santiago (2013)
      Comunicación de congreso
      Acceso abierto
      Soft active tissues exhibit softening, hardening, and reversible fluidisation [14]. The result of these non-linear behaviour is due to multiple processes taking part at di erent scales: active protein motors that actuate ...
    • Characterisation and modelling of prestrained viscoelastic films 

      Martinez-Agirre, Manex; Illescas Fernandez, Silvia; Elejabarrieta, María Jesús (2014-04)
      Artículo
      Acceso restringido por política de la editorial
      The goal of the present work is to characterise the influence of static prestrain on the elastic and dissipative properties of constrained viscoelastic films. Dynamic mechanical analysis (DMA) technique is considered for ...
    • Computation of forces from deformed visco-elastic biological tissues 

      Muñoz Romero, José; Amat Olóndriz, David; Conte, Vito (2018-04-01)
      Artículo
      Acceso abierto
      We present a least-squares based inverse analysis of visco-elastic biological tissues. The proposed method computes the set of contractile forces (dipoles) at the cell boundaries that induce the observed and quantified ...
    • Disseny i testatge d’un xip microfluídic per sensar microorganismes 

      Vila Sansalvador, Marc (Universitat Politècnica de Catalunya, 2021-01-29)
      Trabajo final de grado
      Acceso restringido por acuerdo de confidencialidad
    • Evaluation of multilayer pavement viscoelastic properties from falling weight deflectometer using neural networks 

      González Lopez, Jose Manuel; Carbonell Puigbó, Josep Maria; van Bijsterveld, Wouter (2014)
      Comunicación de congreso
      Acceso restringido por política de la editorial
      The measurements obtained with the falling weight deflectometer are typically used in a linear-static backcalculation procedure to determine the mechanical parameters of the asphalt pavement. The surface deflections caused ...
    • Exponential decay in one-dimensional Type II/III thermoelasticity with two porosities 

      Magaña Nieto, Antonio; Quintanilla de Latorre, Ramón (2020-07-30)
      Artículo
      Acceso abierto
      In this paper we consider the theory of thermoelasticity with a double porosity structure in the context of the Green-Naghdi types II and III heat conduction models. For the type II, the problem is given by four hyperbolic ...
    • Exponential stability in type II thermoviscoelasticity with voids 

      Miranville, Alain; Quintanilla de Latorre, Ramón (2020-04)
      Artículo
      Acceso restringido por política de la editorial
      In this paper we consider the one-dimensional type II thermoviscoelastic theory with voids. We prove that generically we have exponential stability of the solutions. This is a striking fact if one compares it with the ...
    • Identification des paramètres de différents modèles de comportement élastoviscoplastique 

      Alsina Viladecans, Mireia (Universitat Politècnica de Catalunya / Institut National des Sciences Appliquées de Lyon, 2013)
      Trabajo final de grado
      Acceso restringido por decisión del autor
      Realizado en/con:   Institut national des sciences appliquées de Lyon
      Ce stage a pour but l’identification des paramètres de différents modèles de comportement mécanique pour l’alliage d’aluminium utilisé pour le carter-cylindre. Lors de la fabrication et l’assemblage du carter-cylindre ainsi ...
    • Investigation of the viscoelastic flow behavior of polymer melts 

      Monserrate Sabadell, Víctor (2013-07)
      Proyecto/Trabajo final de carrera
      Acceso restringido por decisión del autor
      Realizado en/con:   Hochschule Darmstadt
      This bachelor thesis does a theoretic approach to the basics of Viscosity, Fluids, Plastics, Polymers, Rheology and Rheometry before explaining, defining and studying the results of the carried out measurement ...
    • Mechanochemical pattern formation in simple models of active viscoelastic fluids and solids 

      Alonso Muñoz, Sergio; Radszuweit, Markus; Engel, Harald; Baer, Markus (Institute of Physics (IOP), 2017-11-01)
      Artículo
      Acceso abierto
      The cytoskeleton of the organism Physarum polycephalum is a prominent example of a complex active viscoelastic material wherein stresses induce flows along the organism as a result of the action of molecular motors and ...
    • Modeling the porous and viscous responses of human brain tissue behavior 

      Comellas Sanfeliu, Ester; Budday, Silvia; Pelteret, Jean-Paul; Holzapfel, Gerhard A.; Steinmann, Paul (2020-09-01)
      Artículo
      Acceso restringido por política de la editorial
      The biomechanical characterization of human brain tissue and the development of appropriate mechanical models is crucial to provide realistic computational predictions that can assist personalized treatment of neurological ...
    • Numerical simulations of particle suspensions in confined geometries 

      Umbert López, Cyan (Universitat Politècnica de Catalunya / Kungliga Tekniska Högskolan, 2013)
      Trabajo final de grado
      Acceso abierto
      Realizado en/con:   Kungliga Tekniska högskolan
      Particle suspensions are ubiquitous in industry and natural phenomena. With the rapid development of micro-devices it becomes increasingly important to understand the behavior of owing particle suspensions in confined ...
    • On the analyticity of the MGT-viscoelastic plate with heat conduction 

      Conti, Monica; Pata, Vittorino; Pellicer, Marta; Quintanilla de Latorre, Ramón (2020-10)
      Artículo
      Acceso restringido por política de la editorial
      We consider a viscoelastic plate equation of Moore-Gibson-Thompson type coupled with two different kinds of thermal laws, namely, the usual Fourier one and the heat conduction law of type III. In both cases, the resulting ...
    • On the uniqueness and analyticity in viscoelasticity with double porosity 

      Bazarra, Noelia; Fernández, José Ramón; Leseduarte Milán, María Carme; Magaña Nieto, Antonio; Quintanilla de Latorre, Ramón (2019-04-01)
      Artículo
      Acceso abierto
      In this paper we analyze the system of equations that models the behaviour of materials with a double porous structure. We introduce dissipation mechanisms in both structures. We show existence, uniqueness and analyticity ...