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Ara es mostren els items 1-20 de 51

    • A general stabilized formulation for incompressible fluid flow using finite calculus and the finite element method 

      Oñate Ibáñez de Navarra, Eugenio; García Espinosa, Julio; Bugeda Castelltort, Gabriel; Idelsohn Barg, Sergio Rodolfo (CIMNE, 2003-11)
      Capítol de llibre
      Accés restringit per política de l'editorial
      We present a general formulation for incompressible fluid flow analysis using the finite element method (FEM). The necessary stabilization for dealing with convective effects and the incompressibility condition are introduced ...

    • A general stabilized formulation for incompressible fluid flow using finite calculus and the finite element method 

      Oñate Ibáñez de Navarra, Eugenio; García Espinosa, Julio; Bugeda Castelltort, Gabriel; Idelsohn Barg, Sergio Rodolfo (2003-03)
      Report de recerca
      Accés obert
      We present a general formulation for incompressible fluid flow analysis using the finite element method (FEM). The necessary stabilization for dealing with convective effects and the incompressibility condition are introduced ...

    • A methodology for adaptive mesh refinement in optimum shape design problems 

      Bugeda Castelltort, Gabriel; Oñate Ibáñez de Navarra, Eugenio (1993-03)
      Report de recerca
      Accés obert

    • 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
      Accés obert
      Genetic 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 set of algorithms to correct a geometry in order to be meshed 

      Ribo Rodriguez, Ramon; Bugeda Castelltort, Gabriel; Oñate Ibáñez de Navarra, Eugenio (2000)
      Text en actes de congrés
      Accés obert
      One of the major difficulties in meshing 3D complex geometries is to deal with non proper geometrical definitions coming from CAD systems. Typically, CAD systems don’t take care of the proper definition of the geometries ...

    • 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
      Accés obert
      The 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 ...

    • Aerodynamic shape optimization using adaptive remeshing 

      Kouhi, Mohammad; Bugeda Castelltort, Gabriel; Lee, DongSeop; Oñate Ibáñez de Navarra, Eugenio (2010)
      Text en actes de congrés
      Accés obert
      Adaptive mesh refinement is one of the most important tools in Computational Fluid Dynamics (CFD) for solving complex engineering design problems. The paper investigates two practical transonic aerofoil design optimization ...

    • Aerodynamic shape optimization using automatic adaptive remeshing 

      Bugeda Castelltort, Gabriel; Oñate Ibáñez de Navarra, Eugenio; Joannas, D (1993-02)
      Report de recerca
      Accés obert

    • Análisis de procesos de estereolitografía por el método de los elementos finitos 

      Bugeda Castelltort, Gabriel; Lombera, Guillermo; Cervera Ruiz, Miguel; Oñate Ibáñez de Navarra, Eugenio (1995)
      Article
      Accés obert
      La estereolitografía es uno de las técnicas utilizadas en los procesos de fabricación rápida de prototipos, que tiene un gran interés industrial debido a su ahorro en tiempo respecto a los procesos tradicionales. Una de ...

    • Análisis de sensibilidad de formas en problemas estructurales con comportamiento no lineal del material 

      Bugeda Castelltort, Gabriel; Gil, Lluís; Oñate Ibáñez de Navarra, Eugenio (1998)
      Article
      Accés obert
      El presente trabajo describe las dificultades y consideraciones acerca del análisis de sensibilidad cuando en una estructura el material deja de comportarse en forma elástica lineal. Se propone el cálculo de la sensibilidad ...

    • 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)
      Capítol de llibre
      Accés restringit per política de l'editorial
      This 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 ...

    • Control of the finite element discretization error during the convergence of structural shape optimization algorithms 

      Bugeda Castelltort, Gabriel; Ródenas García, Juan José; Albelda, José; Oñate Ibáñez de Navarra, Eugenio (2009-07)
      Article
      Accés obert
      This work analyzes the influence of the discretization error contained in the Finite Element (FE) analyses of each design configuration proposed by structural shape optimization algorithms over the behaviour of the algorithm. ...

    • Desarrollo de un sistema integrado para tratamiento de geometría, generación de malla y datos para el análisis por el método de los elementos finitos 

      Ribo, R; Oñate Ibáñez de Navarra, Eugenio; Bugeda Castelltort, Gabriel (International Centre for Numerical Methods in Engineering (CIMNE), 2000)
      Llibre
      Accés obert
      En este trabajo se describe el desarrollo e implementación de un sistema informático para el tratamiento de toda la información necesaria para un análisis por el Método de los Elementos Finitos o por otros métodos numéricos ...

    • Description of the test cases 

      Bugeda Castelltort, Gabriel; Periaux, Jacques Francis; Qin, Ning; Pons Prats, Jordi (Springer, 2020)
      Capítol de llibre
      Accés obert
      The 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 ...

    • Docencia e investigación: ¿un falso dilema? 

      García-Berro Montilla, Enrique; Amblàs, Gemma; Sallarés, Jordi; Bugeda Castelltort, Gabriel; Roca, Santiago (2013-05-01)
      Article
      Accés obert

    • Double Shock Control Bump Design Optimization Using Hybridised Evolutionary Algorithms 

      Lee, DongSeop; Periaux, Jacques; Pons-Prats, Jordi; Bugeda Castelltort, Gabriel; Oñate Ibáñez de Navarra, Eugenio (IEEE Computer Society Publications, 2010)
      Text en actes de congrés
      Accés obert
      The paper investigates two advanced optimisation methods for solving active flow control device shape design problem and also compares their optimisation efficiency in terms of computational cost and design quality. The ...

    • 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
      Accés obert
      Turbulent 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 ...

    • Estrategias e indicadores para la evaluación de la docencia en el marco del EEES 

      García-Berro Montilla, Enrique; Dapia de Dios, Francesc; Amblas Marondo, Gemma; Bugeda Castelltort, Gabriel; Roca Martín, Santiago (2009)
      Article
      Accés obert
      En este artículo se describen las estrategias que ha emprendido la Universidad Politécnica de Cataluña (UPC) para implantar las nuevas titulaciones de Ingeniería adaptadas al Espacio Europeo de Enseñanza Superior (EEES). ...

    • EU-China research cooperation in aeronautics technologies: GRAIN 2 

      Bugeda Castelltort, Gabriel; Deng, Ying; Periaux, Jacques Francis; Pons Prats, Jordi (2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Evolutionary methods for optimal shape design 

      Fung, A.; Pahl, E.; Bugeda Castelltort, Gabriel; Oñate Ibáñez de Navarra, Eugenio (2005-06)
      Report de recerca
      Accés obert
      An optimization code called Optima has been developed at the International Centre for Numerical Methods in Engineering (CIMNE). This report validates two reputably robust Evolutionary Algorithms available in Optima and ...