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  • Flexoelectric MEMS: towards an electromechanical strain diode 

    Bhaskar, Umesh Kumar; Banerjee, Nirupam; Abdollahi Hosnijeh, Amir; Solanas, E.; Rijnders, Guus; Catalan, Gustau (2016)
    Artículo
    Acceso abierto
    Piezoelectricity and flexoelectricity are two independent but not incompatible forms of electromechanical response exhibited by nanoscale ferroelectrics. Here, we show that flexoelectricity can either enhance or suppress ...

  • A flexoelectric microelectromechanical system on silicon 

    Bhaskar, Umesh Kumar; Banerjee, Nirupam; Abdollahi Hosnijeh, Amir; Wang, Zhen; Scholm, Darrell G.; Rijnders, Guus; Catalan, Gustau (2016)
    Artículo
    Acceso abierto
    Flexoelectricity allows a dielectric material to polarize in response to a mechanical bending moment and, conversely, to bend in response to an electric field. Compared with piezoelectricity, flexoelectricity is a weak ...

  • An atomistic-based foliation model for multilayer graphene materials and nanotubes 

    Ghosh, Susanta; Arroyo Balaguer, Marino (2013-01)
    Artículo
    Acceso abierto
    We present a three-dimensional continuum model for layered crystalline materials made out of weakly interacting two-dimensional crystalline sheets. We specialize the model to multilayer graphene materials, including ...

  • Confined bilayers passively regulate shape and stress 

    Staykova, M.; Arroyo Balaguer, Marino; Rahimi Lenji, Mohammad; Stone, H.A. (2013-01)
    Artículo
    Acceso abierto
    Lipid membranes are commonly confined to adjacent subcellular structures or to artificial substrates and particles. We develop an experimental and theoretical framework to investigate the mechanics of confined membranes, ...

  • Blending isogeometric analysis and local maximum entropy meshfree approximants 

    Rosolen, Adrián; Arroyo Balaguer, Marino (2013-09)
    Artículo
    Acceso abierto
    We present a method to blend local maximum entropy (LME) meshfree approximants and isogeometric analysis. The coupling strategy exploits the optimization program behind LME approximation, treats isogeometric and LME basis ...

  • Efficiency of high-order elements for continuous and discontinuous Galerkin methods 

    Huerta, Antonio; Angeloski, Aleksandar; Roca Navarro, Xevi; Peraire Guitart, Jaume (John Wiley & sons, 2013-11)
    Artículo
    Acceso abierto
    To evaluate the computational performance of high-order elements, a comparison based on operation count is proposed instead of runtime comparisons. More specifically, linear versus high-order approximations are analyzed ...

  • Adaptive reduced basis strategy based on goal oriented error assessment for stochastic problems 

    Florentin, Eric; Díez, Pedro (2012-06)
    Artículo
    Acceso abierto
    In the framework of stochastic non-intrusive finite element modeling, a common practice is using Monte Carlo simulation. The main drawback of this approach is the computational cost, because it requires computing a large ...

  • Sliding joints in 3D beams: conserving algorithms using the master-slave approach 

    Muñoz Romero, José; Jelenic, Gordan (2006)
    Artículo
    Acceso abierto
    This paper proposes two time-integration algorithms for motion of geometrically exact 3D beams under sliding contact conditions. The algorithms are derived using the socalled master–slave approach, in which constraint ...

  • Hybrid cell-centred/vertex model for multicellular systems with equilibrium-preserving remodelling 

    Mosaffa, Payman; Rodríguez Ferran, Antonio; Muñoz Romero, José (John Wiley & sons, 2018-03)
    Artículo
    Acceso restringido por política de la editorial
    We present a hybrid vertex/cell-centred model for mechanically simulating planar cellular monolayers undergoing cell reorganisation. Cell centres are represented by a triangular nodal network, while the cell boundaries are ...

  • Model reduction methods 

    Chinesta, Francisco; Huerta, Antonio; Rozza, Gianluigi; Willcox, Karen (Wiley, 2017-12-15)
    Capítulo de libro
    Acceso restringido por política de la editorial
    This chapter presents an overview of some computational methods for the analysis of problems in ship hydrodynamics. Attention is focused on the description of stabilized finite element formulations derived via a finite ...

  • Meshfree methods 

    Huerta, Antonio; Belytschko, Ted; Fernandez Mendez, Sonia; Rabczuk, Timon; Zhuang, Xiaoying; Arroyo Balaguer, Marino (Wiley, 2017-12-15)
    Capítulo de libro
    Acceso restringido por política de la editorial
    This chapter presents an overview of some computational methods for the analysis of problems in ship hydrodynamics. Attention is focused on the description of stabilized finite element formulations derived via a finite ...

  • Arbitrary Lagrangian–Eulerian methods 

    Donéa, Jean M.; Huerta, Antonio; Ponthot, Jean Philippe; Rodríguez Ferran, Antonio (Wiley, 2017-12-15)
    Capítulo de libro
    Acceso restringido por política de la editorial
    This chapter presents an overview of some computational methods for the analysis of problems in ship hydrodynamics. Attention is focused on the description of stabilized finite element formulations derived via a finite ...

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