Exploració per autor "Díez, Pedro"
Ara es mostren els items 115-134 de 145
-
Parametric electromagnetic analysis of radar-based Advanced Driver Assistant Systems
Vermiglio, Simona; Champaney, Victor; Sancarlos, Abel; Daim, Fatima; Kedzia, Jean Claude; Duval, Jean Louis; Díez, Pedro; Chinesta Soria, Francisco (Multidisciplinary Digital Publishing Institute (MDPI), 2020-10-05)
Article
Accés obertEfficient and optimal design of radar-based Advanced Driver Assistant Systems (ADAS) needs the evaluation of many different electromagnetic solutions for evaluating the impact of the radome on the electromagnetic wave ... -
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
Accés restringit per política de l'editorialD 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, ... -
Physics-based manifold learning in scaffolds for tissue engineering: application to inverse problems
Muixí Ballonga, Alba; Zlotnik, Sergio; García González, Alberto; Díez, Pedro (2022-10-03)
Article
Accés obertIn the field of bone regeneration, insertion of scaffolds favours bone formation by triggering the differentiation of mesenchymal cells into osteoblasts. The presence of Calcium ions (Ca2+) in the interstitial fluid across ... -
Preface
Chamoin, Ludovic; Díez, Pedro (Springer, 2016)
Capítol de llibre
Accés restringit per política de l'editorialThe error associated with a numerical solution is intimately related with the residual, that is the lack of verification of the equation by the approximated solution. The residual is computable but obtaining the exact ... -
Preface
Wiberg, N E; Díez, Pedro (2006-01)
Article
Accés obert -
Probabilistic analysis of an a posteriori error estimator for finite elements
Díez, Pedro; Egozcue Rubí, Juan José (2001-08)
Article
Accés obertA residual type a posteriori error estimator for finite elements is analyzed using a new technique. In this case, the error estimate is the result of two consecutive projections of the exact error on two finite-dimensional ... -
Proper generalized decomposition of a geometrically parametrized heat problem with geophysical applications
Zlotnik, Sergio; Díez, Pedro; Modesto Galende, David; Huerta, Antonio (John Wiley & Sons, 2015-09-07)
Article
Accés obertThe solution of a steady thermal multiphase problem is assumed to be dependent on a set of parameters describing the geometry of the domain, the internal interfaces and the material properties. These parameters are considered ... -
Proper generalized decomposition solution of the parameterized Helmholtz problem: application to inverse geophysical problems
Signorini, Marianna; Zlotnik, Sergio; Díez, Pedro (2017-02)
Article
Accés obertThe identification of the geological structure from seismic data is formulated as an inverse problem. The properties and the shape of the rock formations in the subsoil are described by material and geometric parameters, ... -
Proper generalized decomposition solutions for composite laminates parametrized with fibre orientations
El-ghamrawy, Karim Mohamed Shaker Ibrahim; Zlotnik, Sergio; Auricchio, Ferdinando; Díez, Pedro (Springer, 2022-09-02)
Article
Accés obertComposite materials are gaining popularity as an alternative to classical materials in many different applications. Moreover, their design is even more flexible due to the potential of additive manufacturing. Thus, one can ... -
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
Accés obertSome 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 ... -
Recovering lower bounds of the error by postprocessing implicit residual a posteriori error estimates
Díez, Pedro; Parés Mariné, Núria; Huerta, Antonio (2003-03)
Article
Accés obertClassical residual type error estimators approximate the error flux around the elements and yield upper bounds of the exact (or reference) error. Lower bounds of the error are also needed in goal oriented adaptivity and ... -
Remeshing criteria and proper error representations for goal oriented h-adaptivity
Díez, Pedro; Calderón, Giovanni (2007-01)
Article
Accés obertA key ingredient in h-adaptivity pertains to the transformation of output data from a given error estimator into input data, usually in the form of an element-size distribution, that needs to be supplied to a mesh ... -
Sampling-based stochastic analysis of the PKN model for hydraulic fracturing
Garikapati, Hasini; Verhoosel, Clemens V.; van Brummelen, Harald; Zlotnik, Sergio; Díez, Pedro (2019-02)
Article
Accés obertHydraulic fracturing processes are surrounded by uncertainty, as available data is typically scant. In this work, we present a sampling-based stochastic analysis of the hydraulic fracturing process by considering various ... -
Simple assessment of the numerical wave number in the fe solution of the helmholtz equation
Steffens, Lindaura Maria; Díez, Pedro (2009-06-08T11:13:41Z)
Text en actes de congrés
Accés obertWhen numerical methods are applied to the computation of stationary waves, it is observed that "numerical waves" are dispersive for high wave numbers. The numerical wave shows a phase velocity which depends on the wave ... -
Simulación numérica del hormigón reforzado con fibras de acero
Pros Parés, Alba; Díez, Pedro; Molins i Borrell, Climent (Asociacion Científica del Hormigón Estructural (ACHE), 2011)
Text en actes de congrés
Accés restringit per política de l'editorialEl Hormigón Reforzado con Fibras de Acero (HRFA) es una técnica que consiste en añadir fibras de acero en el hormigón. La forma, las dimensiones, la esbeltez, la orientación y la distribución de las fibras caracterizan el ... -
Small-scale gravitational instabilities under the oceans: implications for the evolution of oceanic lithosphere and its expression in geophysical observables
Zlotnik, Sergio; Afonso, Juan Carlos; Díez, Pedro; Fernández, Manel (2008-10)
Article
Accés obertSublithospheric small-scale convection (SSC) is thought to be responsible for the flattening of the seafloor depth and surface heat flow observed in mature plates. Although the existence of SSC is generally accepted, its ... -
Strict error bounds for linear and nonlinear solid mechanics problems using a patch-based flux-free method
Cottereau, Regis; Chamoin, Ludovic; Díez, Pedro (2010-12)
Article
Accés obertWe discuss, in this paper, a common ux-free method for the computation of strict error bounds for linear and nonlinear Finite Element computations. In the linear case, the error bounds are on the energy norm of the error, ... -
Strict error bounds for linear solid mechanics problems using a subdomain-based flux-free method
Cottereau, R; Díez, Pedro; Huerta, Antonio (2009-09)
Article
Accés obertWe discuss, in this paper, a flux-free method for the computation of strict upper bounds of the energy norm of the error in a Finite Element (FE) computation. The bounds are strict in the sense that they refer to the ... -
Strict error bounds in linear solid mechanics using a subdomain-based flux-free approach
Cottereau, Regis; Díez, Pedro (2009-06-08T11:56:46Z)
Text en actes de congrés
Accés obertIn this paper, we derive, in the framework of the ux-free method, strict bounds for the energy norm of the error associated to a finite element computation. In that framework, and when using linear elements, the problems ... -
Subdomain-based flux-free a posteriori error estimators
Parés Mariné, Núria; Díez, Pedro; Huerta, Antonio (2006-01)
Article
Accés obertA new residual type flux-free error estimator is presented. It estimates upper and lower bounds of the error in energy norm. The proposed approach precludes the main drawbacks of standard residual type estimators, circumvents ...