Search Results - "Codina, Ramon"

Finite Element Formulations for Maxwell's Eigenvalue Problem Using Continuous Lagrangian Interpolations.

Authors: Boffi, Daniele Codina, Ramon Türk, Önder

Source: Computational Methods in Applied Mathematics. Apr2025, Vol. 25 Issue 2, p349-371. 23p.

A posteriori error estimates for the finite element approximation of the convection–diffusion–reaction equation based on the variational multiscale concept.

Authors: Codina, Ramon Gravenkamp, Hauke Khan, Sheraz Ahmed

Source: Applied Numerical Mathematics. Dec2025, Vol. 218, p238-260. 23p.

Subjects: A posteriori error analysis, Transport equation, A priori, Equations

Finite element approximation of stabilized mixed models in finite strain hyperelasticity involving displacements and stresses and/or pressure—An overview of alternatives.

Authors: Codina, Ramon Castañar, Inocencio Baiges, Joan

Source: International Journal for Numerical Methods in Engineering. 9/30/2024, Vol. 125 Issue 18, p1-32. 32p.

Subjects: Finite element method, Geometry, Equations

A variational multiscale approach to PDE-constrained optimization problems arising in data-driven computational mechanics.

Authors: Codina, Ramon Ausas, Roberto F. Bazon, Pedro B. et al.

Source: Computer Methods in Applied Mechanics & Engineering. Jul2026, Vol. 456, pN.PAG-N.PAG. 1p.

Subjects: Finite element method, Reaction-diffusion equations, Multiscale modeling, Numerical analysis, Computational mechanics, Mathematical optimization

A mixed displacement-pressure-stress stabilized finite element formulation for a finite strain damage model.

Authors: Castañar, Inocencio Codina, Ramon Baiges, Joan

Source: Computer Methods in Applied Mechanics & Engineering. Jun2026, Vol. 455, pN.PAG-N.PAG. 1p.

Subjects: Finite element method, Damage models, Strain tensors, Nonlinear equations, Elastic deformation, Solid mechanics

Analysis of a stabilized finite element approximation for a linearized logarithmic reformulation of the viscoelastic flow problem.

Authors: Codina, Ramon Moreno, Laura

Source: ESAIM: Mathematical Modelling & Numerical Analysis (ESAIM: M2AN). 2021 Supplement, Vol. 55, pS279-S300. 22p.

A variational multiscale approach to goal-oriented error estimation in finite element analysis of convection-diffusion-reaction problems.

Authors: Khan, Sheraz Ahmed Codina, Ramon Gravenkamp, Hauke

Source: Applied Mathematical Modelling. Jun2026, Vol. 154, pN.PAG-N.PAG. 1p.

On hp convergence of stabilized finite element methods for the convection-diffusion equation.

Authors: Codina, Ramon¹ ramon.codina@upc.edu

Source: SeMA Journal. Dec2018, Vol. 75 Issue 4, p591-606. 16p.

A stabilized mixed three‐field formulation for stress accurate analysis including the incompressible limit in finite strain solid dynamics.

Authors: Castañar, Inocencio Codina, Ramon Baiges, Joan

Source: International Journal for Numerical Methods in Engineering. 5/30/2023, Vol. 124 Issue 10, p2341-2366. 26p.

Subjects: Strains & stresses (Mechanics), Energy function, Strain energy, Solids

NUMERICAL ANALYSIS OF A STABILIZED FINITE ELEMENT APPROXIMATION FOR THE THREE-FIELD LINEARIZED VISCOELASTIC FLUID PROBLEM USING ARBITRARY INTERPOLATIONS.

Authors: Castillo, Ernesto Codina, Ramon

Source: ESAIM: Mathematical Modelling & Numerical Analysis (ESAIM: M2AN). 2017, Vol. 51 Issue 4, p1407-1427. 21p.

An a posteriori time error indicator for adaptive flow solvers.

Authors: Sekhavati, Javad Codina, Ramon Baiges, Joan et al.

Source: Journal of Computational Physics. Oct2025, Vol. 539, pN.PAG-N.PAG. 1p.

Subjects: Unsteady flow (Aerodynamics), Incompressible flow, Empirical research, Numerical analysis, Finite element method, Computer simulation, Computational fluid dynamics

Numerical modeling of chlorine concentration in water storage tanks.

Authors: Codina, Ramon Principe, Javier Muñoz, Christian et al.

Source: International Journal for Numerical Methods in Fluids. Sep2015, Vol. 79 Issue 2, p84-107. 24p.

Analysis of an Unconditionally Convergent Stabilized Finite Element Formulation for Incompressible Magnetohydrodynamics.

Authors: Badia, Santiago Codina, Ramon Planas, Ramon

Source: Archives of Computational Methods in Engineering. Nov2015, Vol. 22 Issue 4, p621-636. 16p.

Subjects: Finite element method, Magnetohydrodynamics, Incompressible flow, Singular integrals, Reynolds number, Electric conductivity

Field‐to‐field coupled fluid structure interaction: A reduced order model study.

Authors: Tello, Alexis Codina, Ramon

Source: International Journal for Numerical Methods in Engineering. Jan2021, Vol. 122 Issue 1, p53-81. 29p.

Subjects: Fluid-structure interaction, Proper orthogonal decomposition, Strains & stresses (Mechanics), Degrees of freedom, Fluid pressure, Reduced-order models

Explicit reduced-order models for the stabilized finite element approximation of the incompressible Navier-Stokes equations.

Authors: Baiges, Joan Codina, Ramon Idelsohn, Sergio

Source: International Journal for Numerical Methods in Fluids. Aug2013, Vol. 72 Issue 12, p1219-1243. 25p.

COMPUTATIONAL AEROACOUSTICS OF VISCOUS LOW SPEED FLOWS USING SUBGRID SCALE FINITE ELEMENT METHODS.

Authors: GUASCH, ORIOL CODINA, RAMON

Source: Journal of Computational Acoustics. Sep2009, Vol. 17 Issue 3, p309-330. 22p. 5 Diagrams, 3 Graphs.

UNIFIED STABILIZED FINITE ELEMENT FORMULATIONS FOR THE STOKES AND THE DARCY PROBLEMS.

Authors: Badia, Santiago Codina, Ramon

Source: SIAM Journal on Numerical Analysis. 2009, Vol. 47 Issue 4, p1971-2000. 30p. 12 Charts.

FINITE ELEMENT APPROXIMATION OF THE THREE-FIELD FORMULATION OF THE STOKES PROBLEM USING ARBITRARY INTERPOLATIONS.

Authors: Codina, Ramon¹ ramon.codina@upc.edu

Source: SIAM Journal on Numerical Analysis. 2009, Vol. 47 Issue 1, p699-718. 20p.

Stabilized Finite Element Approximation of the Stationary Magneto-Hydrodynamics Equations.

Authors: Codina, Ramon Hernández - Silva, Noel

Source: Computational Mechanics. Oct2006, Vol. 38 Issue 4/5, p344-355. 12p. 8 Color Photographs, 2 Diagrams, 4 Graphs.

Analysis of a pressure-stabilized finite element approximation of the stationary Navier-Stokes equations.

Authors: Codina, Ramon Blasco, Jordi

Source: Numerische Mathematik. Nov2000, Vol. 87 Issue 1, p59-81. 23p.