S.K. Gangaraj

Validation of <i>a posteriori</i> error estimators by numerical approach

Ivo Babuška, T. Strouboulis, C.S. Upadhyay et al. · International Journal for Numerical Methods in Engineering · 1994 · 229 citations

Computing, Computational Engineering, Computational Mechanics +14

A posteriori estimation and adaptive control of the pollution error in the <i>h</i>‐version of the finite element method

I. Babuška, T. Strouboulis, C.S. Upadhyay et al. · International Journal for Numerical Methods in Engineering · 1995 · 120 citations

Computing, Computational Engineering, Finite Element Analysis +12

Computer-based proof of the existence of superconvergence points in the finite element method; superconvergence of the derivatives in finite element solutions of Laplace's, Poisson's, and the elasticity equations

Ivo Babuška, T. Strouboulis, C.S. Upadhyay et al. · Numerical Methods for Partial Differential Equations · 1996 · 92 citations

Computing, Computational Engineering, Mathematics +10

Aposteriori error estimation for finite element solutions of Helmholtz' equation—Part II: estimation of the pollution error

I. Babuška, Frank Ihlenburg, T. Strouboulis et al. · International Journal for Numerical Methods in Engineering · 1997 · 84 citations

Computing, Computational Engineering, Computational Fluid Dynamics +11

A posteriori error estimation for finite element solutions of Helmholtz’ equation. part I: the quality of local indicators and estimators

Ivo Babuška, Frank Ihlenburg, T. Strouboulis et al. · International Journal for Numerical Methods in Engineering · 1997 · 81 citations

Computing, Computational Engineering, Computational Fluid Dynamics +14