Now showing items 1-20 of 25

    • A parametric transfer function for real-time simulation of coupled complex problems 

      Ghnatios, Chady; Duval, Jean-Louis; Cueto, Elias; Chinesta, Francisco (CIMNE, 2019)
      Conference report
      Open Access
      Industrial production lines often involve multistage manufacturing processes with coupled boundary conditions. The output of a process is the input of another processing stage. The end product of such production line is ...
    • A Reduced Order Modeling approach for optimal allocation of Distributed Generation in power distribution systems 

      García Blanco, Raquel; Díez, Pedro; Borzacchiello, Domenico; Chinesta, Francisco (2016)
      Conference report
      Restricted access - publisher's policy
      This paper presents an “offline-online” strategy for optimal allocation and sizing of Distributed Generation. In traditional optimization approaches, each function evaluation requires the solution of a power flow problem, ...
    • A simple microstructural viscoelastic model for flowing foams 

      Ibáñez, Rubén; Scheuer, Adrien; Abisset-Chavanne, Emmanuelle; Chinesta, Francisco; Huerta, Antonio; Keunings, Roland (2019-03)
      Article
      Open Access
      The numerical modelling of forming processes involving the flow of foams requires taking into account the different problem scales. Thus, in industrial applications a macroscopic approach is suitable, whereas the macroscopic ...
    • Advanced harmonic techniques for solving the transient heat equation 

      Aguado, José Vicente; Huerta, Antonio; Chinesta, Francisco; Cueto Prendes, Elias; Leygue, Adrien (Sociedad Española de Métodos Numéricos en Ingeniería (SEMNI), 2013)
      Conference report
      Restricted access - publisher's policy
      Simulation-based management of processes has always been a big challenge because of the difficulty to merge two apparently opposed idea s: the real time handling demanded by the process, and the traditionally strong ...
    • Advanced modeling of the out-of-autoclave thermoplastics prepreg consolidation 

      Ghnatios, Chady; Chinesta, Francisco (CIMNE, 2013)
      Conference report
      Open Access
      Nowadays, composite materials are replacing metallic ones thanks to their excellent mechanical performances and reduced weight. However, many difficulties are encountered during composite forming processes. In fact, autoclave ...
    • Algebraic and parametric solvers for the power flow problem: towards real-time and accuracy-guaranteed simulation of electric systems 

      García Blanco, Raquel; Díez, Pedro; Borzacchiello, Domenico; Chinesta, Francisco (2018-11)
      Article
      Open Access
      The power flow model performs the analysis of electric distribution and transmission systems. With this statement at hand, in this work we present a summary of those solvers for the power flow equations, in both algebraic ...
    • An error estimator for real-time simulators based on model order reduction 

      Alfaro, Icíar; González, David; Zlotnik, Sergio; Díez, Pedro; Cueto Prendes, Elias; Chinesta, Francisco (Springer, 2015-11-26)
      Article
      Open Access
      Model order reduction (MOR) is one of the most appealing choices for real-time simulation of non-linear solids. In this work a method is presented in which real time performance is achieved by means of the o -line solution ...
    • Computational vademecums for a fast and reliable simulation of RTM processes 

      Abisset Chavanne, Emmanuelle; Cueto Prendes, Elias; Huerta, Antonio; Chinesta, Francisco (Universidad de Sevilla. Grupo de Elasticidad y Resistencia de Materiales, 2014)
      Conference report
      Open Access
      Proper Generalized Decomposition methods allow to obtain an efficient solution for multi-parametric problems without the need for simulating numerous problems to obtain a response surface. Instead, PGD obtains a priori a ...
    • Computational vamedecum of the coupled mechanical/thermal behavior of composite materials during ultrasonic welding 

      Ghnatios, Chady; Barasinski, Anais; Fernandez Villegas, Irene; Palardy, Genevieve; Chinesta, Francisco (CIMNE, 2017)
      Conference report
      Open Access
      Aiming faster and more reliable end products, the composite material in- dustry is nowadays an active research topic. Innovative composite forming processes are actively designed and tested. For example, ...
    • Deim-based pgd for multi-parametric nonlinear model reduction 

      Aguado, Jose V.; Chinesta, Francisco; Leygue, Adrien; Cueto, Elías; Huerta, Antonio (CIMNE, 2013)
      Conference report
      Open Access
      A new technique for efficiently solving parametric nonlinear reduced order models in the Proper Generalized Decomposition (PGD) framework is presented here. This technique is based on the Discrete Empirical Interpolation ...
    • Deim-based PGD for parametric nonlinear model order reduction 

      Aguado, José V.; Chinesta, Francisco; Leygue, Adrien; Cueto Prendes, Elias; Huerta, Antonio (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2013)
      Conference report
      Open Access
      This book contains the Abstracts of the papers presented at ADMOS 2013, the sixth International Conference on Adaptive Modeling and Simulation, held in Lisbon from June 3 to 5, 2013. Numerical Modeling and Simulation ...
    • Interactive simulation on a smart Phone 

      Cueto, E.; Huerta, Antonio; Chinesta, Francisco (2012-01)
      Article
      Restricted access - publisher's policy
      Traditionally, Simulationbased Engineering Sciences (SBES) made use of static data inputs to perform the simulations. Namely parameters of the model, boundary conditions, etc. were traditionally obtained by experimentation ...
    • Model reduction methods 

      Chinesta, Francisco; Huerta, Antonio; Rozza, Gianluigi; Willcox, Karen (Wiley, 2017-12-15)
      Part of book or chapter of book
      Restricted access - publisher's policy
      This chapter presents an overview of some computational methods for the analysis of problems in ship hydrodynamics. Attention is focused on the description of stabilized finite element formulations derived via a finite ...
    • Modeling the kinematics of multi-axial composite laminates as a stacking of 2D TIF plies 

      Ibañez, Ruben; Abisset-Chavanne, Emmanuelle; Chinesta, Francisco; Huerta, Antonio (American Institute of Physics (AIP), 2016)
      Conference report
      Open Access
      Thermoplastic composites are widely considered in structural parts. In this paper attention is paid to sheet forming of continuous fiber laminates. In the case of unidirectional prepregs, the ply constitutive equation is ...
    • Monitoring a PGD solver for parametric power flow problems with goal-oriented error assessment 

      García Blanco, Raquel; Borzacchiello, Domenico; Chinesta, Francisco; Díez, Pedro (John Wiley & Sons, 2017-08)
      Article
      Open Access
      The parametric analysis of electric grids requires carrying out a large number of Power Flow computations. The different parameters describe loading conditions and grid properties. In this framework, the Proper Generalized ...
    • Multiscale proper generalized decomposition based on the partition of unity 

      Ibáñez Pinillo, Rubén; Ammar, Amine; Cueto Prendes, Elias; Huerta, Antonio; Duval, Jean Louis; Chinesta, Francisco (John Wiley & sons, 2019-11-09)
      Article
      Restricted access - publisher's policy
      Solutions of partial differential equations could exhibit a multiscale behavior. Standard discretization techniques are constraints to mesh up to the finest scale to predict accurately the response of the system. The ...
    • PGD-based “Computational Vademecum” for efficient design, optimization and control 

      Chinesta, Francisco; Leygue, Adrien; Bordeu, F.; Cueto Prendes, Elias; González, David; Alfaro, Icíar; Ammar, Amine; Huerta, Antonio; Díez, Pedro (2013)
      Article
      Restricted access - publisher's policy
      D espite the impressive progresses attained by simulation capabilities and techniques, some challenging problems remain today intractable. These prob- lems, that are common to many branches of science and engineering, ...
    • Proper generalized decomposition based dynamic data-driven control of material forming processes 

      Ghnatios, Ch.; Masson, F.; Huerta, Antonio; Leygue, Adrien; Cueto Prendes, Elias; Chinesta, Francisco (2012)
      Article
      Open Access
      Proper Generalized Decomposition; Dynamic Data-Driven Application Systems; Control; Real time; Parametric models; Thermal processes
    • Proper generalized decomposition solutions within a domain decomposition strategy 

      Huerta, Antonio; Nadal Soriano, Enrique; Chinesta, Francisco (John Wiley & sons, 2018-03-30)
      Article
      Open Access
      Domain Decomposition strategies and the Proper Generalized Decomposition are efficiently combined to obtain a fast evaluation of the solution approximation in parameterized elliptic problems with complex geometries. The ...
    • Real time parameter identification and solution reconstruction from experimental data using the Proper Generalized Decomposition 

      Nadal, Enrique; Chinesta, Francisco; Díez, Pedro; Fuenmayor, F. J.; Denia, F.D. (2015-11-01)
      Article
      Open Access
      Some industrial processes are modelled by parametric partial differential equations. Integrating computational modelling and data assimilation into the control process requires obtaining a solution of the numerical model ...