Browsing by Author "Darrigrand, V."
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GoalOriented Adaptivity using Unconventional Error Representations
Darrigrand, V. (201709)In GoalOriented Adaptivity (GOA), the error in a Quantity of Interest (QoI) is represented using global error functions of the direct and adjoint problems. This error representation is subsequently bounded above by ... 
Goaloriented adaptivity using unconventional error representations for the 1D Helmholtz equation
Darrigrand, V.; Pardo, D.; Muga, I. (20151231)In this work, the error of a given output functional is represented using bilinear forms that are different from those given by the adjoint problem. These representations can be employed to design novel h, p, and hp ... 
Goaloriented adaptivity using unconventional error representations for the multidimensional Helmholtz equation
Darrigrand, V.; RodríguezRozas, A.; Muga, I.; Pardo, D.; Romkes, A.; Prudhomme, S. (20170627)In goal‐oriented adaptivity, the error in the quantity of interest is represented using the error functions of the direct and adjoint problems. This error representation is subsequently bounded above by element‐wise error ... 
GoalOriented pAdaptivity using Unconventional Error Representations for a 1D Steady State ConvectionDiffusion Problem
Pardo, D.; Darrigrand, V.; RodríguezRozas, A.; Muga, I. (2017)This work proposes the use of an alternative error representation for GoalOriented Adaptivity (GOA) in context of steady state convection dominated diffusion problems. It introduces an arbitrary operator for the computation ... 
A Painless Automatic hpAdaptive Strategy for Elliptic Problems
Darrigrand, V.; Pardo, D.; ChaumontFrelet, T.; GómezRevuelto, I.; GarciaCastillo, E. (202001)In this work, we introduce a novel hpadaptive strategy. The main goal is to minimize the complexity and implementational efforts hence increasing the robustness of the algorithm while keeping close to optimal numerical ... 
A Simulation Method for the Computation of the E
Omella, A. J.; AlvarezAramberri, J.; Strugaru, M.; Darrigrand, V.; Pardo, D.; Gonzalez, H.; Santos, C. (202103)We propose a set of numerical methods for the computation of the frequencydependent eff ective primary wave velocity of heterogeneous rocks. We assume the rocks' internal microstructure is given by microcomputed tomography ...