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José Ignacio Jiménez González

Born in Siles (Jaén), Spain (1984). He is currently Assistant Professor of Continuum Mechanics at University of Jaén.

Education

José Ignacio Jiménez González received his Mechanical Engineering degree from the Universidad de Jaén in 2009, and his MS in Sustainability and Energy Efficiency in 2010 at the same university. Additionally, he took engineering courses at University of Southern Mississippi (USM) in 2009. In July 2013 he gained a PhD degree in Engineering, under the supervision of Prof. Dr. Carlos Martínez-Bazán and Dr. Enrique Sanmiguel-Rojas. His PhD Thesis was devoted to study the stability of wakes behind axisymmetric blunt-based bodies and its control. He complemented his formation with stays at University Carlos III of Madrid (Spain) under supervision of Dr- Alejandro Sevilla, and since 2010, he has continously visited the Institut de Mécanique des Fluides de Toulouse (IMFT) to collaborate with professor Pierre Brancher. Besides, he has been a scientific visitor at the Institut für Strömungsmechanik und Aerodynamik (Budeswehr University, Munich), working with Prof. Christian Kähler, and at the Universitat Rovira i Virgili (Tarragona, Spain), collaborating with Dr. F.J. Huera-Huarte. From 2016, he is also Invited Lecturer (Maître de Conferénces Invité) at the Université de Toulouse III - Paul Sabatier (France).

Interests

His research mainly focuses on characterization and stability of bluff bodies's wakes and its control, and vortex-induced vibrations. Besides, he works on hydrodynamic stability of jets and optimal perturbation within the frame of collaboration with the IMFT (France), and has also worked on boundary layer instabilities at the Bundeswehr University of Munich. He perfoms experimental and numerical work.

He has been recently appointed as member of the Steering Committee of the new ERCOFTAC Special Interest Group (SIG) on 3D Wakes

Journal Papers

- M. Lorite-Díez, J.I. Jiménez-González, C. Gutiérrez-Montes and C. Martínez-Bazán. Effects of rear cavities on the wake behind an accelerating D-shaped bluff body. Physics of Fluids 30, 044103 (2018).

- J.I. Jiménez-González and F.J. Huera-Huarte. Experimental sensitivity of vortex-induced vibrations to localized wake perturbations. Journal of Fluids and Structures 74, 53-63 (2017).

- J.I. Jiménez-González and P. Brancher. Transient energy growth of optimal streaks in parallel round jets. Physics of Fluids 29, 114101 (2017).

- M. Lorite-Diez, J.I. Jiménez-González, C. Gutierrez-Montes and C. Martínez-Bazán. Drag reduction of slender blunt-based bodies using optimized rear cavities. Journal of Fluids and Structures 74, 158-177 (2017).

- J.I. Jiménez-González, P. Brancher and C. Martínez-Bazán. Modal and non-modal evolution of perturbations for parallel round jets. Physics of Fluids 27, 044105 (2015).

- E. Sanmiguel-Rojas, M. Hidalgo-Martínez, J.I. Jiménez-González and A. Martín-Alcántara. Analytical approaches to oscillators with nonlinear springs in parallel and series connections. Mechanism and Machine Theory 93, 39–52 (2015).

- F. Guerrero-Villar, E. Torres-Jimenez, R. Dorado-Vicente and J.I. Jiménez-González. Development of Vertical Wind Turbines via FDM Prototypes. Procedia Engineering, Vol. 132, 78 – 85 (2015).

- J.I. Jiménez-González, A. Sevilla, E. Sanmiguel-Rojas and C. Martínez-Bazán. Global stability analysis of the axisymmetric wake past a spinning bullet-shaped body. Journal of Fluid Mechanics, Vol. 748, 302 - 327 (2014).

- J.I. Jiménez-González, E. Sanmiguel-Rojas, A. Sevilla and C. Martínez-Bazán. Laminar flow past a spinning bullet-shaped body at moderate angular velocities. Journal of Fluids and Structures, Vol. 43, 200-219 (2013).

- P. Bohórquez, E. Sanmiguel-Rojas, A. Sevilla, J.I. Jiménez-González and C. Martínez-Bazán. Stability and dynamics of the laminar wake past a slender blunt-based axisymmetric body. Journal of Fluid Mechanics, Vol 676, 110-144 (2011).

- E. Sanmiguel-Rojas, J.I. Jiménez-González, P. Bohórquez, G. Pawlak and C. Martínez-Bazán. Stability effects of base cavities on the wakes of slender blunt-based axisymmetric bodies. Physics of Fluids, Vol. 23, 114103 (2011).

Publications under review

Congress Contributions

M. Lorite-Díez, L.R. Pastur, J.I. Jiménez-González, C. Martínez-Bazán, C. Gutiérrez-Montes and O.Cadot. Manipulation of a 3D bluff body symmetric wake flow by means of rear perimetric slit blowing. 53rd 3AF International Conference on Applied Aerodynamics Multiphysics approach in Aerodynamics, March, 2018, Salon-de-Provence, France.

F.J. Huera-Huarte and J.I. Jiménez-González. Vortex-induced vibrations of a cylinder with a control rod in its wake. OMAE 36th International Conference on Ocean, Offshore & Arctic Engineering, June, 2017, Trondheim, Norway.

J.I. Jiménez-González, C. Manglano and W. Coenen. Sensitivity analyses of wakes behind spinning axisymmetric bluff bodies. 11th European Fluid Mechanics Conference, September 2016, Sevilla, Spain.

M. Lorite-Diez, J.I. Jiménez-González, C. Gutierrez-Montes and C. Martínez-Bazán. Drag reduction using optimized cavities. 11th European Fluid Mechanics Conference, September 2016, Sevilla, Spain.

J.I. Jiménez-González, P. Brancher and C. Martínez-Bazán. Modal and non-modal evolution of perturbations for parallel round jets. 68th Annual Meeting of the APS Division of Fluid Dynamics, September 2015, Boston, Massachusetts.

M. Lorite-Díez, J.I. Jiménez-González, C. Gutiérrez-Montes and C. Martínez-Bazán. Blunt-body drag reduction through base cavity shape optimization. 68th Annual Meeting of the APS Division of Fluid Dynamics, September 2015, Boston, Massachusetts.

J. I. Jiménez-González, C. E. Manglano-Villamarín and W. Coenen. Sensitivity and controllability of wakes behind spinning axisymmetric bodies. Bifurcations and instabilities in Fluid Dynamics, 15th-17th July 2015, ESPCI, Paris (France).

C. E. Manglano-Villamarín, J. I. Jiménez-González and W. Coenen. Effect of a cylindrical trailing edge on the wake behind spinning bodies. Bifurcations and instabilities in Fluid Dynamics, 15th-17th July 2015, ESPCI, Paris (France).

J.I. Jiménez-González, C. Martínez-Bazán, W. Coenen, C. Manglano and A. Sevilla. Stability of the laminar wake behind spinning axisymmetric bluff bodies: sensitivity and control. 67th Annual Meeting of the APS Division of Fluid Dynamics, November 2014, San Francisco, California.

J.I. Jiménez-González, A. Sevilla, E. Sanmiguel-Rojas, W. Coenen and C. Martínez-Bazán. Linear stability of the flow around a spinning bullet-shaped body: global modes and sensitivity to base bleed. 10th European Fluid Mechanics Conference, 14th/18th September 2014 Copenhagen, Dinamarca.

E. Sanmiguel-Rojas, C. Gutiérrez-Montes, A. Martín-Alcántara, J.I. Jiménez-González and C. Martínez-Bazán. Mechanism to reduce the drag based on a multi-cavity at the afterbody. 10th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements, 17th/19th September 2014, Marbella, Spain.

J.I. Jiménez-González, A. Sevilla, E. Sanmiguel-Rojas and C. Martínez-Bazán. Global stability analysis of the laminar flow around a spinning bullet-shaped body. Euromech Colloquium 547: Trends in Open Shear Flow Instability, 1st/3rd July 2013 Palaiseau, France.

J.I. Jiménez-González, E. Sanmiguel-Rojas, A. Sevilla and C. Martínez-Bazán. Stability of the wake behind bullet-shaped bodies and its control through base bleed and rotation. 5th Symposium on Global Flow Instability and Control, 19th/22nd September 2012 Hersonissos, Greece.

J.I. Jiménez-González, E. Sanmiguel-Rojas, A. Sevilla and C. Martínez-Bazán. Transitions in the laminar wake of a slowly rotating bullet-shaped body. 9th European Fluid Mechanics Conference, 9th/13th September 2012 Rome, Italy.

J.I. Jiménez-González, E. Sanmiguel-Rojas, A. Sevilla and C. Martínez-Bazán. Dynamics of a laminar flow past a rotating bullet-shaped body. APS Division of Fluid Dynamics, 20th/22th November 2011 Baltimore, Maryland.

E. Sanmiguel-Rojas, P. Bohorquez, J.I. Jiménez-González and C. Martínez-Bazán. Stability effects of a base cavity on the wake of axisymmetric bluff. APS Division of Fluid Dynamics, 21th/23th November 2010 Long Beach, California.

Invited Seminars

Experimental sensitivity of vortex-induced vibration in the wake of a flexibly mounted cylinder. J.I. Jiménez-González. 26th October 2017, Institut des Sciences de la Mécanique et Applications Industrielles (IMSIA) - ENSTA ParisTech, Palaiseau, France.

Sensitivity of VIV to localized wake perturbations. J.I. Jiménez-González. 31st May 2017, EMT2 Seminar Series , Institut de Mécanique des Fluides de Toulouse, France.

Drag reduction and wake control through optimized base cavities. J.I. Jiménez-González. 7th October 2016, ECoMMFiT Seminar Series - Department of Mechanical Engineering (Universitat Rovira i Virgili), Tarragona, Spain.

Stability of the wake behind spinning axisymmetric bluff bodies: direct and adjoint global modes. J.I. Jiménez-González. 30th July 2014, Institut für Strömungsmechanik und Aerodynamik (Universität der Bundeswehr), Munich, Germany.

Stability features of the laminar wake behind a spinning slender blunt-based body. J.I. Jiménez-González. 15th April 2014, Institut de Mécanique des Fluides de Toulouse, France.

Wake instabilities in the flow past slender axisymmetric blunt-based bodies.J.I. Jiménez-González. 9th November 2010, Institut de Mécanique des Fluides de Toulouse, France.

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