Browsing by Author "Pons Prats, Jordi"
Now showing items 1-20 of 49
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A new hybrid optimization method, application to a single objective active flow control test case
Coma Company, Martí; Monshi Tousi, Navid; Pons Prats, Jordi; Bugeda Castelltort, Gabriel; Bergadà Granyó, Josep Maria (Multidisciplinary Digital Publishing Institute, 2022-04-12)
Article
Open AccessGenetic Algorithms (GA) are useful optimization methods for exploration of the search space, but they usually have slowness problems to exploit and converge to the minimum. On the other hand, gradient based methods converge ... -
A semi-analytical model for droplet dynamics on the GDL surface of a PEFC electrode
Jarauta Arabí, Àlex; Secanell, Marc; Pons Prats, Jordi; Ryzhakov, Pavel; Idelsohn Barg, Sergio Rodolfo; Oñate Ibáñez de Navarra, Eugenio (2015-04)
Article
Open AccessWater management is one of the key factors in Proton Exchange Fuel Cell (PEFC) performance. The water produced within the fuel cell is evacuated through the gas channels, but at high current densities water can block the ... -
Active flow control optimisation on SD7003 airfoil at pre and post-stall angles of attack using synthetic jets
Monshi Tousi, Navid; Coma Company, Martí; Bergadà Granyó, Josep Maria; Pons Prats, Jordi; Mellibovsky Elstein, Fernando; Bugeda Castelltort, Gabriel (2021-06-10)
Article
Open AccessThe use of Active Flow Control (AFC) technologies to modify the forces acting on streamlined bodies is one of the most active research fields in aerodynamics. For each particular application, finding the optimum set of AFC ... -
An enriched finite element/level-set model for two-phase electrohydrodynamic simulations
Narváez Muñoz, Christian; Hashemi, Mohammad Reza; Ryzhakov, Pavel; Pons Prats, Jordi (2023-01-04)
Article
Open AccessIn this work, a numerical model for the simulation of two-phase electrohydrodynamic (EHD) problems is proposed. It is characterized by a physically consistent treatment of surface tension as well as a jump in the electric ... -
An enriched finite elements approach for multi-phase microsystems
Narváez Muñoz, Christian; Hashemi, Mohammad Reza; Ryzhakov, Pavel; Pons Prats, Jordi; Martí, Julio Marcelo (2023)
Conference report
Restricted access - publisher's policyThis study presents an E-FEM/L-S approach for modeling fluid-fluid inter-face deformation in microsystems under electric fields. The approach treats the interface as a zero-thickness boundary and precisely models discontinuities ... -
An implicit surface tension model for the analysis of droplet dynamics
Jarauta Arabí, Àlex; Ryzhakov, Pavel; Pons Prats, Jordi; Secanell, Marc (2018-08-10)
Article
Open AccessA Lagrangian incompressible fluid flow model is extended by including an implicit surface tension term in order to analyze droplet dynamics. The Lagrangian framework is adopted to model the fluid and track its boundary, ... -
Analysis of uncertainty and variability in finite element computational models for biomedical engineering: characterization and propagation
Mangado, Nerea; Piella, Gemma; Noailly, Jérôme; Pons Prats, Jordi; González Ballester, Miguel A. (Frontiers Media SA, 2016-11-07)
Article
Open AccessComputational modeling has become a powerful tool in biomedical engineering thanks to its potential to simulate coupled systems. However, real parameters are usually not accurately known, and variability is inherent in ... -
Applying multi-objective robust design optimization procedure to the route planning of a commercial aircraft
Pons Prats, Jordi; Bugeda Castelltort, Gabriel; Zárate Araiza, José Francisco; Oñate Ibáñez de Navarra, Eugenio; Periaux, Jacques Francis (Springer, 2018)
Part of book or chapter of book
Restricted access - publisher's policyThis volume addresses challenges and solutions in transport and mobility of people and goods with respect to environment, safety, security and socio–economics issues, exploring advanced computational research work and the ... -
Computational evaluation of cochlear implant surgery outcomes accounting for uncertainty and parameter variability
Mangado, Nerea; Pons Prats, Jordi; Coma Company, Martí; Mistrik, Pavel; Piella, Gemma; Ceresa, Mario; González Ballester, Miguel A. (2018-05-23)
Article
Open AccessCochlear implantation (CI) is a complex surgical procedure that restores hearing in patients with severe deafness. The successful outcome of the implanted device relies on a group of factors, some of them unpredictable ... -
Computational evaluation of Cochlear implant surgery outcomes accounting for uncertainty and parameter variability
Mangado, Nerea; Pons Prats, Jordi; Coma Company, Martí; Mistrik, Pavel; Piella, Gemma; Ceresa, Mario; González Ballester, Miguel A. (Frontiers Media, 2019-04-04)
Part of book or chapter of book
Open AccessCochlear implantation (CI) is a complex surgical procedure that restores hearing in patients with severe deafness. The successful outcome of the implanted device relies on a group of factors, some of them unpredictable ... -
Data-driven methodology for uncertainty quantification of aircraft trajectory predictions
Muñoz Hernández, Andrés; Polaina, Manuel; Güemes, Alejandro; Soler Arnedo, Manuel Fernando; González Arribas, Daniel; Pons Prats, Jordi; Prats Menéndez, Xavier; Tutku Altun, Arinc; Koyuncu, Emre; Kuenz, Alexander; Zopp, Raimund; Delahaye, Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Conference report
Open AccessThis work present a framework based on datadriven techniques for quantifying and chaos theory for propagating the uncertainty present in the aircraft trajectory prediction process when computing the expected trajectory ... -
Description of the test cases
Bugeda Castelltort, Gabriel; Periaux, Jacques Francis; Qin, Ning; Pons Prats, Jordi (Springer, 2020)
Part of book or chapter of book
Open AccessThe high-level objective of MARS project was to understand the formation and behaviour of turbulent structures which affects the Reynolds stress and skin friction. The aim was, once understood, to apply flow control ... -
Determination of the operational parameters for the manufacturing of spherical PVP particles via electrospray
Narváez Muñoz, Christian; Ryzhakov, Pavel; Pons Prats, Jordi (Multidisciplinary Digital Publishing Institute (MDPI), 2021-02)
Article
Open AccessThis work aims at bridging experimental and numerical approaches to determine the optimal operating parameters for the fabrication of well-shaped polyvinylpyrrolidone (PVP) particles via electrohydrodynamic atomization. ... -
Development and Implementation of a Direct Evaluation Solution for Fault Tree Analyses Competing With Traditional Minimal Cut Sets Methods
Cortés Amador, Jacob; Di Martino, Dario; Duran, David; Lopez, Josep; Pons Prats, Jordi; Sanchez, Jesus (Institute of Electrical and Electronics Engineers (IEEE), 2022-05-30)
Article
Open AccessFault tree analysis (FTA) is a well-established technique to analyze the safety risks of a system. Two specific prominent FTA methods, largely applied in the aerospace field, are the so-called minimal cut sets (MCS), which ... -
Drag reduction via turbulent boundary layer flow control
Abbas, Adel; Bugeda Castelltort, Gabriel; Ferrer Vaccarezza, Esteban; Fu, Song; Periaux, Jacques Francis; Pons Prats, Jordi; Valero, Eusebio; Zheng, Yao (2017-09)
Article
Open AccessTurbulent boundary layer control (TBLC) for skin-friction drag reduction is a relatively new technology made possible through the advances in computational-simulation capabilities, which have improved the understanding of ... -
Editorial: Innovation in aviation and space for opening new horizons
Pantelakis, Spiros; Strohmayer, Andreas; Pons Prats, Jordi (2024-02-06)
Article
Open Access -
Electric vertical take-off and landing aircraft selection for ultra-short-haul routes: fuzzy AHP approach
Dozic, Slavica; Kuljanin, Jovana; Babic, Danica; Kalic, Milica; Pons Prats, Jordi (Elsevier, 2023-09)
Article
Open AccessThe analysis and understanding of the environmental effects of the air transport are topics on the research table for more than 20 years. It is also true this environmental concern has grown in the recent years, with a ... -
ENGINYERIA AEROPORTUÀRIA (Examen final, 2n quadrimestre)
Pons Prats, Jordi; Kuljanin, Jovana (Universitat Politècnica de Catalunya, 2023-06-20)
Exam
Restricted access to the UPC academic community -
Enriched finite element approach for modeling discontinuous electric field in multi-material problems
Narváez Muñoz, Christian; Hashemi, Mohammad Reza; Ryzhakov, Pavel; Pons Prats, Jordi; Owen, Herbert (Elsevier, 2023-11-01)
Article
Open AccessThis work is devoted to developing an efficient and robust technique for accurately capturing the electric field in multi-material problems. The formulation is based on the finite element method enriched by the introduction ... -
Enriched finite element formulation for discontinuous electric field in electrohydrodynamic problems
Narváez Muñoz, Christian; Hashemi, Mohammad Reza; Ryzhakov, Pavel; Pons Prats, Jordi; Owen, Herbert (Universitat Politècnica de Catalunya. Remote Sensing, Antennas, Microwaves and Superconductivity Group (CommSensLab), 2022)
Conference report
Open AccessAlthough purely analytical models can provide rough qualitative predictions in the field of electrohydrodynamics (EHD), more sophisticated numerical approaches are necessary to quantitatively study the involved phenomena [1, ...