Ara es mostren els items 1-16 de 16

  • A finite point method for adaptive-three-dimensional compressible flow calculations 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (2009-07-30)
    Article
    Accés obert
    The finite point method (FPM) is a meshless technique, which is based on both, a weighted least-squares numerical approximation on local clouds of points and a collocation technique which allows obtaining the discrete ...
  • A meshless finite point method for the three-dimensional analysis of compressible flow problems involving moving boundaries and adaptivity 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Flores Le Roux, Roberto Maurice (2013-10-10)
    Article
    Accés restringit per política de l'editorial
    A finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ...
  • A meshless finite point method for three dimensional analysis of compressible flow problems involving moving boundaries and adaptivity 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Flores Le Roux, Roberto Maurice (2013-10)
    Article
    Accés restringit per política de l'editorial
    A finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ...
  • A meshless finite point method for three-dimensional analysis of compressible flow problems involving moving boundaries and adaptivity 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Flores Le Roux, Roberto Maurice (2013-10)
    Article
    Accés obert
    A finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ...
  • A numerical investigation of wind tunnel model deformations caused by the twin-sting support system 

    Flores Le Roux, Roberto Maurice; Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio (2010)
    Article
    Accés restringit per política de l'editorial
  • A-posteriori error estimation for the finite point method with applications to compressible flow 

    Ortega, Enrique; Flores Le Roux, Roberto Maurice; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (2017-04-03)
    Article
    Accés obert
    An a-posteriori error estimate with application to inviscid compressible flow problems is presented. The estimate is a surrogate measure of the discretization error, obtained from an approximation to the truncation terms ...
  • Application of the finite point method to high- Reynolds number compressible flow problems 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Flores Le Roux, Roberto Maurice (2014-04-10)
    Article
    Accés restringit per política de l'editorial
    In this work, the finite point method is applied to the solution of high-Reynolds compressible viscous flows. The aim is to explore this important field of applications focusing on two main aspects: the easiness and ...
  • A simulation tool for parachute/payload systems 

    Flores Le Roux, Roberto Maurice; Ortega, Enrique; Vallés Fluvià, J.; Oñate Ibáñez de Navarra, Eugenio (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The design and evaluation of parachute-payload systems is a technology field in which numerical analysis tools can make very important contributions. This work describes a new development from CIMNE in this area, a coupled ...
  • Comparative accuracy and performance assessment of the finite point method in compressible flow problems 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Flores Le Roux, Roberto Maurice (Elsevier, 2014-01-20)
    Article
    Accés restringit per política de l'editorial
    A comparative assessment of the Finite Point Method (FPM) is presented. Using a wing-fuselage configuration under transonic inviscid flow conditions as reference test case, the performance of the FPM flow solver is compared ...
  • Development and applications of the finite point method to compressible aerodynamics problems 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
    Llibre
    Accés restringit per política de l'editorial
    En este trabajo se aborda el desarrollo del Método de Puntos Finitos (MPF) y su aplicación a problemas de aerodinámica de flujos compresibles. El objetivo principal es investigar el potencial de la técnica sin malla para ...
  • Finite point method to solve shallow water equations 

    Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio; Idelsohn Barg, Sergio Rodolfo; Buachart, Chinapat (John Wiley & Sons, 2011-10)
    Article
    Accés restringit per política de l'editorial
    An adaptive Finite Point Method (FPM) for solving shallow water problems is presented. The numerical methodology we propose, which is based on weighted-least squares approximations on clouds of points, adopts an upwind-biased ...
  • Numeric analysis 

    Pérez Segarra, Carlos David; Ortega, Enrique (2009-10-14)
    Audiovisual
    Accés obert
  • PUMI: un código explícito no estructurado para resolver las ecuaciones de Euler 

    Flores Le Roux, Roberto Maurice; Ortega, Enrique; Oñate Ibáñez de Navarra, Eugenio (Universitat Politècnica de Catalunya. CIMNE, 2011)
    Accés obert
    El código PUMI se ha desarrollado en CIMNE para resolver rápidamente problemas de flujo compresible alrededor de geometrías complejas. En la actualidad se llevan a cabo de manera rutinaria cálculos con mallas que contienen ...
  • Ram-air parachute simulation with panel methods and staggered coupling 

    Ortega, Enrique; Flores Le Roux, Roberto Maurice; Pons Prats, Jordi (2016-09-07)
    Article
    Accés obert
  • Yielding of coarse granular aggregates 

    Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar; Ortega, Enrique; Chavez, C. (2011)
    Comunicació de congrés
    Accés restringit per política de l'editorial
    Yielding of granular aggregates is associated with particle breakage. Breakage depends on the rock toughness, particle geometry, density of aggregate, current grain size distribution, stress intensity and relative humidity. ...
  • Yielding of rockfill in relative humidity-controlled triaxial experiments 

    Alonso Pérez de Agreda, Eduardo; Romero Morales, Enrique Edgar; Ortega, Enrique (2016-06)
    Article
    Accés obert
    The paper reports the results of suction controlled triaxial tests performed on compacted samples of two well graded granular materials in the range of coarse sand-medium gravel particle sizes: a quartzitic slate and a ...