Search Results - "Sánchez Umbría, Juan"

Periodic orbits in tall laterally heated rectangular cavities by Net Marcé, Marta, Sánchez Umbría, Juan

“…This study elucidates the origin of the multiplicity of stable oscillatory flows detected by time integration in tall rectangular cavities heated from the…”
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Analyzing thermal convection in a two-dimensional circular annulus via spatio-temporal Koopman decomposition by Sánchez Umbría, Juan, Net, Marta, Vega, José M.

“…This paper deals with the analysis of numerically obtained spatio-temporal data for thermal convection in a two-dimensional circular annulus. These data are…”
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Numerical continuation methods for large-scale dissipative dynamical systems by Umbría, Juan Sánchez, Net, Marta

“…A tutorial on continuation and bifurcation methods for the analysis of truncated dissipative partial differential equations is presented. It focuses on the…”
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Numerical Bifurcation Methods and their Application to Fluid Dynamics: Analysis beyond Simulation by Dijkstra, Henk A., Wubs, Fred W., Cliffe, Andrew K., Doedel, Eusebius, Dragomirescu, Ioana F., Eckhardt, Bruno, Gelfgat, Alexander Yu, Hazel, Andrew L., Lucarini, Valerio, Salinger, Andy G., Phipps, Erik T., Sanchez-Umbria, Juan, Schuttelaars, Henk, Tuckerman, Laurette S., Thiele, Uwe

“…We provide an overview of current techniques and typical applications of numerical bifurcation analysis in fluid dynamical problems. Many of these problems are…”
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Radial collocation methods for the onset of convection in rotating spheres by Sánchez, J., Garcia, F., Net, M.

“…The viability of using collocation methods in radius and spherical harmonics in the angular variables to calculate convective flows in full spherical geometry…”
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Exponential versus IMEX high-order time integrators for thermal convection in rotating spherical shells by Garcia, Ferran, Bonaventura, Luca, Net, Marta, Sánchez, Juan

“…We assess the accuracy and efficiency of several exponential time integration methods coupled to a spectral discretization of the three-dimensional Boussinesq…”
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A parallel algorithm for the computation of invariant tori in large-scale dissipative systems by Sánchez, J., Net, M.

“…A parallelizable algorithm to compute invariant tori of high-dimensional dissipative systems, obtained upon discretization of PDEs is presented. The size of…”
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Numerical simulations of thermal convection in rotating spherical shells under laboratory conditions by Garcia, Ferran, Sánchez, Juan, Net, Marta

“…•Numerical simulations of the rotating thermal convection of a pure fluid in spherical shells.•Scalings at low Rossby number are found.•The results are…”
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Prandtl number dependence of convective fluids in tall laterally heated slots by Sánchez Umbría, J., Net, M.

“…The influence of the Prandtl number on the stable stationary and periodic flows of the fluids contained in laterally heated slots under realistic conditions,…”
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Antisymmetric polar modes of thermal convection in rotating spherical fluid shells at high taylor numbers by Garcia, Ferran, Sánchez, Juan, Net, Marta

“…The onset of thermal convection in a rotating spherical shell of intermediate radius ratio eta=0.4 is studied numerically for Taylor numbers Ta > or = 10(11)…”
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Oscillatory convection in rotating spherical shells: low Prandtl number and non-slip boundary conditions by García González, Fernando, Sánchez Umbría, Juan, Dormy, Emmanuel, Net Marcé, Marta

“…A five-degree model, which reproduces faithfully the sequence of bifurcations and the type of solutions found through numerical simulations of the…”
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Continuation and stability of convective modulated rotating waves in spherical shells by García González, Fernando, Net Marcé, Marta, Sánchez Umbría, Juan

“…Modulated rotating waves (MRW), bifurcated from the thermal-Rossby waves that arise at the onset of convection of a fluid contained in a rotating spherical…”
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Mathematical Modeling of Different Molecule Removal on On-Line Haemodiafiltration: Influence of Dialysis Duration and Infusion Flow by Maduell, Francisco, Sanchez, Juan, Net, Marta, Gomez, Miquel, Gonzalez, Jose M, Arias-Guillen, Marta, Rodriguez, Néstor, Rico, Nayra, Campistol, Josep M

“…In a previous study on a nocturnal, every-other-day online haemodiafiltration scheme, different removal patterns were observed for urea, creatinine,…”
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Computation of azimuthal waves and their stability in thermal convection in rotating spherical shells with application to the study of a double-Hopf bifurcation by Sánchez, J., Garcia, F., Net, M.

“…A methodology to compute azimuthal waves, appearing in thermal convection of a pure fluid contained in a rotating spherical shell, and to study their stability…”
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A comparison of high-order time integrators for thermal convection in rotating spherical shells by García González, Fernando, Net Marcé, Marta, Garcia-Archilla, Bosco, Sánchez Umbría, Juan

“…A numerical study of several time integration methods for solving the threedimensional Boussinesq thermal convection equations in rotating spherical shells is…”
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Spiral vortices between concentric cylinders by S nchez, J., Crespo, D., Marqu s, F.

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