Ara es mostren els items 1-20 de 39

  • A 3D finite element model of ventral furrow invagination in the Drosophila melanogaster embryo 

    Conte, Vito; Muñoz Romero, José; Miodownik, Mark (2008-04)
    Article
    Accés obert
    The paper describes a mechanical model of epithelial tissue development in Drosophila embryos to investigate a buckling phenomenon called invagination. The finite element method is used to model this ventral furrow formation ...
  • A biomechanical analysis of ventral furrow formation in the Drosophila melanogaster embryo 

    Conte, Vito; Ulrich, Florian; Baum, Buzz; Muñoz Romero, José; Veldhuis, Jim; Brodland, Wayne; Miodownik, M. (2012-03-28)
    Article
    Accés obert
    The article provides a biomechanical analysis of ventral furrow formation in the Drosophila melanogaster embryo. Ventral furrow formation is the first large-scale morphogenetic movement in the fly embryo. It involves ...
  • A deformation gradient decomposition method for the analysis of the mechanics of morphogenesis 

    Muñoz Romero, José; Barrett, K.; Miodownik, M. (2007-06)
    Article
    Accés obert
    A new finite element model is proposed for the analysis of the mechanical aspects of morphogenesis and tested on the biologically well studied gastrulation phenomenon, in particular ventral furrow invagination of the ...
  • A note on upper bound formulations in limit analysis 

    Muñoz Romero, José; Huerta, Antonio; Bonet Carbonell, Javier; Peraire, Jaume (John Wiley & Sons, 2012-08-24)
    Article
    Accés restringit per política de l'editorial
    In this paper we study some recent formulations for the computation of upper bounds in limit analysis. We show that a previous formulation presented by the authors does not guarantee the strictness of the upper bound, ...
  • A truss element for modelling reversible softening in living tissues 

    Muñoz Romero, José; Conte, Vito; Asadipour, Nina; Miodownik, M. (2013-04-01)
    Article
    Accés obert
    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 ...
  • AAR-based decomposition algorithm for non-linear convex optimisation 

    Rabiei, Syednima; Muñoz Romero, José (2014)
    Comunicació de congrés
    Accés obert
  • AAR-based decomposition algorithm for non-linear convex optimisation 

    Rabiei, Syednima; Muñoz Romero, José (2015)
    Article
    Accés obert
    n this paper we present a method for decomposing a class of convex nonlinear programmes which are frequently encountered in engineering plastic analysis. These problems have second-order conic memberships constraints and ...
  • AAR-based decomposition method for limit analysis 

    Rabiei, Nima; Muñoz Romero, José (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
    Comunicació de congrés
    Accés obert
  • AAR-based decomposition method for lower bound limit analysis 

    Muñoz Romero, José; Rabiei, Nima (2015-12-01)
    Article
    Accés obert
    Despite the recent progress in optimisation techniques, finite-element stability analysis of realistic three-dimensional problems is still hampered by the size of the resulting optimisation problem. Current solvers may ...
  • AAR-based decomposition method for lower-bound limit analysis 

    Muñoz Romero, José; Rabiei, Syednima (2015)
    Article
    Accés obert
    Despite the recent progress in optimisation techniques, finite-element stability analysis of realistic three-dimensional problems is still hampered by the size of the resulting optimisation problem. Current solvers may ...
  • Cell-centered truss model for the analysis of cell rheology and remodelling 

    Muñoz Romero, José; Asadipour, Nina; Albo, Santiago (2013)
    Comunicació de congrés
    Accés obert
    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 ...
  • Cell-centred model for non-linear tissue rheology and active remodelling 

    Asadipour, Nina; Mosaffa, Payman; Muñoz Romero, José (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Soft active tissues exhibit softening, hardening, and reversible fluidisation. The result of these non-linear behaviour is due to multiple processes taking part at different scales: active protein motors that actuate at ...
  • Cell-centred model for the simulation of curved cellular monolayers 

    Mosafa, Payman; Asadipour, Nina; Millán, Raúl Daniel; Rodríguez Ferran, Antonio; Muñoz Romero, José (2015)
    Article
    Accés obert
    This paper presents a cell-centred model for the simulation of planar and curved multicellular soft tissues. We propose a computational model that includes stress relaxation due to cell reorganisation (intercellular ...
  • Collective cell durotaxis emerges from long-range intercellular force transmission 

    Sunyer, Raimon; Conte, Vito; Escribano, Jorge; Elosegui Artola, Alberto; Labernadie, Anna; Valon, Leo; Navajas Navarro, Daniel; Garcia Aznar, José Manuel; Muñoz Romero, José; Trepat, Xavier (2016-09-09)
    Article
    Accés obert
    The ability of cells to follow gradients of extracellular matrix stiffness—durotaxis—has been implicated in development, fibrosis, and cancer. Here, we found multicellular clusters that exhibited durotaxis even if isolated ...
  • Computation of bounds for anchor problems in limit analysis and decomposition techniques 

    Muñoz Romero, José; Rabiei, Syednima; Lyamin, Andrei; Huerta, Antonio (Springer, 2013-07-15)
    Capítol de llibre
    Accés obert
    Numerical techniques for the computation of strict bounds in limit analyses have been developed for more than thirty years. The efficiency of these techniques have been substantially improved in the last ten years, and ...
  • Computational limit analysis for anchors and retaining walls 

    Muñoz Romero, José; Lyamin, Andrei V.; Huerta, Antonio (Universitat Politècnica de Catalunya. Escola Tècnica Superior de Camins Canals i Ports de Barcelona, 2011-11-15)
    Comunicació de congrés
    Accés obert
    The computation of the bearing capacity of engineering structures commonly relays on results obtained for simple academic examples. Recent developments in computational limit analysis have allowed engineers to compute ...
  • Conserving time-integration of beams under contact constrains using B-Spline interpolation 

    Sibilieau, Alberto; Muñoz Romero, José (2011)
    Text en actes de congrés
    Accés obert
    The design of energy-momentum algorithms for geometrically exact beams has been achieved more than 15 years ago. However, many of the desired conserivng propeties do not carry over into constrained systems such as beams ...
  • Control of cell-cell forces and collective cell dynamics by the intercellular adhesome 

    Bazellieres, Elsa; Conte, Vito; Elosegui Artola, Alberto; Serra-Picamal, Xavier; Bintanel Morcillo, Maria; Roca Cusachs, Pere; Muñoz Romero, José; Sales Pardo, Marta; Guimerà, Roger; Trepat Guixer, Xavier (2015-04-01)
    Article
    Accés obert
    Dynamics of epithelial tissues determine key processes in development, tissue healing and cancer invasion. These processes are critically influenced by cell-cell adhesion forces. However, the identity of the proteins that ...
  • Decomposition techniques in computational limit analysis 

    Muñoz Romero, José; Rabiei, Syednima; Huerta, Antonio (2013)
    Comunicació de congrés
    Accés obert
    Numerical techniques for the computation of strict bounds in limit analyses have been developed for more than thirty years. The efficiency of these techniques have been substantially improved in the last ten years, and ...
  • Diffusion-reaction model for Drosophila embryo development 

    Allena, Rachele; Muñoz Romero, José; Aubry, Denis (Gordon and Breach Science Publishers, 2011-10-04)
    Article
    Accés obert
    During the early stages of gastrulation in Drosophila embryo, the epithelial cells composing the single tissue layer of the egg undergo large strains and displacements. These movements have been usually modeled by decomposing ...