Publications Home page of Juan Sánchez Umbría

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  • Thermal convection in rotating spherical geometry: A numerical overview of the transitions from periodic axisymmetric to temporally complex three-dimensional flows
    Sánchez Umbría, J., Net, M.
    Physical Review E, 106 , 065102(12) (2022). (journal link) (pdf file)

  • Bifurcations to quasiperiodicity of the torsional solutions of convection in rotating fluid spheres: Techniques and results
    Sánchez Umbría, J., Net, M.
    Physics of Fluids, 34, 114112 (2022). (journal link) (pdf file)

  • Three-dimensional quasiperiodic torsional flows in rotating spherical fluids at very low Prandtl numbers
    Sánchez Umbría, J., Net, M.
    Physics of Fluids, 33, 114103 (2021). (journal link) (pdf file)

  • Continuation of Double Hopf Points in Thermal Convection of Rotating Fluid Spheres
    Sánchez Umbría, J., Net, M.
    SIAM Journal on Applied Dynamical Systems, 20, 208-231 (2021). (journal link) (pdf file)

  • Analyzing thermal convection in a two-dimensional circular annulus via spatio-temporal Koopman decomposition
    Sánchez Umbría, J., Net, M., Vega, J.~M.
    Physica D, 402 , 132257(13) (2020). (journal link) (pdf file)

  • Generation of bursting magnetic fields by nonperiodic torsional flowss
    Sánchez Umbría, J., Net, M.
    Physical Review E, 100 , 053110(11) (2019). (journal link) (pdf file)

  • Torsional solutions of convection in rotating fluid spheres
    Sánchez Umbría, J., Net, M.
    Physical Review Fluids, 4 , 013501 (2019). (journal link) (UPCommons) (pdf file)

  • Prandtl number dependence of convective fluids in tall laterally heated slots
    Sánchez, J., Net, M.
    European Physical Journal Special Topics, 227 , 481-492 (2018). (journal link) (pdf file)

  • Stationary flows and periodic dynamics of binary mixtures in tall laterally heated slots
    Sánchez, J., Net, M.
    in Computational Modeling of Bifurcations and Instabilities in Fluid Mechanics. Ed. A. Gelfgat, Springer (2018). (pdf file)

  • Periodic orbits in tall laterally heated rectangular cavities
    Net, M., Sánchez, J.
    Physical Review E, 95 , 023102(9) (2017). (journal link) (pdf file) (movie1) (movie2)

  • Numerical continuation methods for large-scale dissipative dynamical systems
    Sánchez, J., Net, M.
    European Physical Journal Special Topics, 225 , 2465-2486 (2016). (journal link) (pdf file)

  • Critical torsional modes of convection in rotating fluid spheres at high Taylor numbers
    Sánchez, J., Garcia, F., Net, M.
    Journal of Fluid Mechanics, 791 , R1 (2016). (pdf file)

  • Radial collocation methods for the onset of convection in rotating spheres
    Sánchez, J., Garcia, F., Net, M.
    Journal of Computational Physics, 308, 273-288 (2016). (pdf file)

  • Continuation and stability of convective modulated rotating waves in spherical shells
    Garcia, F., Net, M., Sánchez, J.
    Physical Review E, 93, 013119 (2016). (pdf file)

  • Oscillatory Convection in Rotating Spherical Shells: Low Prandtl Number and Non-Slip Boundary Conditions
    Garcia, F., Sánchez, J., Dormy, E., Net, M.
    SIAM Journal on Applied Dynamical Systems, 14, 1787-1807 (2015). (pdf file) (movie1) (movie2) (movie3) (movie4) (movie5) (movie6)
    Copyright by SIAM (Society for Industrial and Applied Mathematics). Unauthorized reproduction of this article is prohibited. This article may be found at SIADS URL: epubs.siam.org/doi/abs/10.1137/15M100729X

  • Continuation of Bifurcations of Periodic Orbits for Large-Scale Systems
    Net, M., Sánchez, J.
    SIAM Journal on Applied Dynamical Systems, 14, 674-698 (2015). (pdf file) (movie1) (movie2)
    Copyright by SIAM (Society for Industrial and Applied Mathematics). Unauthorized reproduction of this article is prohibited. This article may be found at SIADS URL: epubs.siam.org/toc/sjaday/14/2

  • Mathematical modeling of distinct patterns of molecule removal on on-line hemodiafiltration. Influence of dialysis duration and infusion flow
    Maduell F., Sánchez J., Net M., González J. M., Gómez M., Arias M., Rodriguez N., Rico N., Campistol J.
    Blood Purification 39, 288-296 (2015). (pdf file)
    This article may be found at Blood Purification URL: www.karger.com/Article/Abstract/375287

  • Two computational approaches for the simulation of fluid problems in rotating spherical shells
    Garcia F., Dormy E., Sánchez J., Net M.
    Proceedings of ICCM2014 (2014). (pdf file)

  • Numerical simulations of thermal convection in rotating spherical shells under laboratory conditions
    Garcia, F., Sánchez, J. Net, M.
    Physics of the Earth and Planetary Interiors, 230, 28-44 (2014). (pdf file)

  • Exponential versus IMEX high-order time integrators for thermal convection in rotating spherical shells
    Garcia F., Bonaventura, L., Net M., Sánchez J.
    Journal of Computational Physics, 264, 41-54 (2014). (pdf file)

  • Numerical Bifurcation Methods and their Application to Fluid Dynamics: Analysis beyond Simulation
    Dijkstra H.A., et al.
    Commun. Comput. Phys. 15, 1-45 (2014). (pdf file)

  • A comparison of high-order time integrators for highly supercritical thermal convection in rotating spherical shells
    Garcia F., Net M., Sánchez J.
    Proceedings of ICOSAHOM 2012 (2013). (pdf file)

  • Computation of azimuthal waves and their stability in thermal convection in rotating spherical shells with application to the study of a double-Hopf bifurcation
    Sánchez J., Garcia F., Net M.
    Physical Review E, 87, 033014 (2013). (pdf file)

  • A parallel algorithm for the computation of invariant tori in large-scale dissipative systems
    Sánchez J., Net M.
    Physica D, 252, 22-33 (2013). (pdf file)

  • Numerical study of the onset of thermosolutal convection in rotating spherical shells
    Net M., Garcia F., Sánchez J.
    Physics of Fluids, 24, 064101 (2012). (pdf file)

  • Stability analysis for the onset of convection in rotating fluid binary mixtures in spherical shells
    Net M., Garcia F., Sánchez J.
    in Proceedings of the 7th European Nonlinear Dynamics Conference-ENOC 2011, (2011). (pdf file)

  • Azimuthal waves and their stability in externally heated rotating spherical shells
    Sánchez J., Garcia F., Net M.
    in Proceedings of the 7th European Nonlinear Dynamics Conference-ENOC 2011, (2011). (pdf file)

  • A comparison of high-order time integrators for thermal convection in rotating spherical shells
    Garcia F., Net M., García-Archilla B. and Sánchez J.
    Journal of Computational Physics, 229, 7997-8010 (2010). (pdf file)

  • Computation of invariant tori by Newton-Krylov methods in large-scale dissipative systems
    Sánchez J., Net M. and Simó C.
    Physica D, 239, 123-133 (2010). (pdf file)

  • On the multiple shooting continuation of periodic orbits by Newton-Krylov methods
    Sánchez J. and Net M.
    Int. J. Bifurcation and Chaos, 20(1), 43-61 (2010). (pdf file)

  • Antisymmetric polar modes of thermal convection in rotating spherical fluid shells at high Taylor numbers
    Garcia F., Sánchez J. and Net M.
    Physical Review Letters, 101(19), 194501 (2008). (pdf file)

  • On the onset of low-Prandtl-number convection in rotating spherical shells: non-slip boundary conditions
    Net M., Garcia F. and Sánchez J.
    Journal of Fluid Mechanics, 601, 317-337 (2008). (pdf file)

  • Krylov methods and tests functions for detecting bifurcations in one parameter-dependent partial differential equations
    García-Archilla B., Sánchez J. and Simó C.
    BIT, 46(4), 731--757 (2006). (pdf file)

  • Amplitude equations close to a triple +1 bifurcation point of D4-symmetric periodic orbits in O(2)-equivariant system
    Sánchez J., Net M. and Vega J.M.
    Discrete and Continuous Dynamical Systems-Series B, 6, 1357--1380 (2006). (pdf file)

  • Symmetric periodic orbits and global dynamics of tori in an O(2) equivariant system: Two-dimensional thermal convection
    Net M., Sánchez J.
    Int. J. Bifurcation and Chaos, 15, 3953--3972 (2005). (pdf file)

  • Continuation of periodic orbits in large-scale dissipative systems
    Sánchez J., Net M., García-Archilla B. and Simó C.
    in Proceedings of Equadiff 2003 (2004). (pdf file)

  • Newton-Krylov continuation of periodic orbits for Navier-Stokes flows
    Sánchez J., Net M., García-Archilla B. and Simó C.
    Journal of Computational Physics, 201, 13--33 (2004). (pdf file)

  • Spatially resonant interactions in annular convection
    Alonso A., Net M. and Sánchez J.
    in Bifurcations, symmetry and patterns. A conference in honour of M. Golubitsky and I. Stewart. Ed. J.Buescu, S.B.S.D.Castro, A.P.S.Dias and I.S.Labouriau, Birkhauser (2003). (pdf file)

  • From stationary to complex time-dependent flows at moderate Rayleigh numbers in two-dimensional annular thermal convection
    Net M., Alonso A. and Sánchez J.
    Physics of Fluids, 15(5), 1314--1326 (2003). (pdf file)

  • On stable Taylor vortices above the transition to wavy vortices
    Antonijoan J. and Sánchez J.
    Physics of Fluids, 14 (5), 1661-1665 (2002). (pdf file)

  • A continuation and bifurcation technique for Navier-Stokes flows
    Sánchez, J., Marqués, F. and López, J.M.
    Journal of Computational Physics, 180, 78-98 (2002). (pdf file)

  • Thermal Rossby waves in a rotating annulus. Their stability
    Pino D., Net M., Sánchez J. and Mercader I.
    Physical Review E, 63(5), 056312-1/14 (2001). (pdf file)

  • Oscillatory modes in an enclosed swirling flow
    López, J.M., Marqués, F. and Sánchez, J.
    Journal of Fluid Mechanics, 439, 109-129 (2001). (pdf file)

  • Transition to Temporal Chaos in an O(2)-Symmetric Convective System for Low Prandtl Numbers
    Alonso A., Sánchez J. and Net M.
    Prog. Theor. Phys. Suppl., 139, 315-324 (2000). (pdf file)

  • Transitions from Taylor vortex flow in a co-rotating Taylor-Couette system
    Antonijoan J. and Sánchez J.
    Physics of Fluids, 12(12), 3147-3159 (2000). (pdf file)

  • Continuation techniques applied to the Taylor-Couette problem. Spiral flow and the stability of Taylor vortices
    Sánchez J. and Antonijoan J.
    in Continuation Methods in Fluid Dynamics. Ed. D. Henry and A. Bergeon. Notes on Numerical Fluid Mechanics, 74, 203-212, Vieweg (1999). (pdf file)

  • Nonlinear spirals in the Taylor-Couette problem
    Antonijoan, J., Marqués, F. and Sánchez, J.
    Physics of Fluids, 10, 829-838 (1998). (pdf file)

  • Generalized Couette-Poiseuille flow with boundary mass transfer
    Marqués, F., Sánchez, J. and Weidman, P.D.
    Journal of Fluid Mechanics, 374, 221-249 (1998). (pdf file)

  • Feigenbaum's Universality in a Low-Dimensional Fluid Model
    Meseguer A., Marqués F. and Sánchez, J.
    International Journal of Bifurcations and Chaos 6, 1587-1594 (1996). (pdf file)

  • Mixing in Stratified Couette Flow
    Marques F., Crespo D. and Sánchez J.
    in Mixing in Geophysical Flows, Eds. J.M. Redondo, O. Metais, 257-269, CIMNE, Barcelona (1995).

  • Spiral vortices between concentric cylinders
    Sánchez, J., Crespo D. and Marqués F.
    Applied Scientific Research, 51, 55-59 (1993). (pdf file)



    Home page of Juan Sánchez Umbría