COSAM » Events » 2021 » October » DMS Applied Mathematics Seminar

DMS Applied Mathematics Seminar
Time: Oct 22, 2021 (03:00 PM)
Location: ZOOM



Speaker: Ludmil Zikatanov, Pennsylvania State University

Title: A Posteriori Error Estimates in Finite Element Method by Preconditioning

Abstract: We present a framework that relates preconditioning with a posteriori error estimates in finite element methods. In particular, we use standard tools in subspace correction methods to obtain reliable and efficient error estimators. As a simple example, we recover the classical residual error estimators for the second order elliptic equations as well as present some new estimators for systems of PDEs.

This is a joint work with Yuwen Li (Penn State).

Last updated: 10/20/2021