• Fast computation of an infinite, longitudinally-varying and harmonic strip load acting on a viscoelastic half-space 

      Arcos Villamarín, Robert; Clot Razquin, Arnau; Romeu Garbí, Jordi; Martín Román, Sara-Regina (2014-02-01)
      Article
      Accés restringit per política de l'editorial
      In the context of the developing of a numerically efficient model of railway induced ground vibrations, the problem of an infinite, longitudinally-varying and harmonic strip load acting on the surface of a viscoelastic ...
    • Lagrangian versus Eulerian integration errors 

      Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio; Nigro, Norberto; Becker, Pablo Agustín; Gimenez, Juan Marcelo (2015-08)
      Article
      Accés obert
      The possibility to use a Lagrangian frame to solve problems with large time-steps was successfully explored previously by the authors for the solution of homogeneous incompressible fluids and also for solving multi-fluid ...
    • El método de los segmentos 

      Viamontes Esquivel, Alcides; Perez Sanchez, Ismay; Recarey Morfa, Carlos A. (Universitat Politècnica de Catalunya, 2008)
      Article
      Accés obert
      Se reporta el uso de segmentos como dominio de integración para los métodos libres de mallas de tipo Petrov-Galerkin Local (MLPG). El procedimiento acarrea ventajas en el tratamiento de dominios con forma geométrica ...
    • Some analytical aspects of viscoelastic Lamb’s problem for improving its numerical evaluation 

      Arcos Villamarín, Robert; Romeu Garbí, Jordi; Clot Razquin, Arnau; Genesca Francitorra, Meritxell (2013-03)
      Article
      Accés restringit per política de l'editorial
      Two analytical modifications of the original viscoelastic time-harmonic Lamb’s problem expressions are presented with the aim of improving their numerical integration efficiency. Firstly, a new change of variable in the ...