Electrical and Computer Engineering Faculty Research

Title

Trefftz Absorbing Boundary Conditions in Analytical, Discontinuous Galerkin and Finite Difference Form

Document Type

Conference Proceeding

Publication Date

Summer 8-3-2014

Abstract

We explore a novel avenue for generating absorbing boundary conditions for wave problems. The key part of our approach is Trefftz approximations of the solution, i.e. approximations by functions satisfying locally the underlying wave equation. Trefftz functions include outgoing waves only (and possibly evanescent waves), but no incoming waves. We show how this idea can be applied in three different contexts: analytical, Discontinuous Galerkin, and finite difference.

Publication Title

Electromagnetics in Advanced Applications (ICEAA), 2014 International Conference on

First Page

176

Last Page

177