Stability of asynchronous variational integrators

Authors:
William Fong;Eric Darve;Adrian Lew
Affiliations:
Institute for Computational and Mathematical Engineering, Stanford University, USA;Institute for Computational and Mathematical Engineering, Stanford University, USA and Department of Mechanical Engineering, Stanford University, USA;Institute for Computational and Mathematical Engineering, Stanford University, USA and Department of Mechanical Engineering, Stanford University, USA
Venue:
Journal of Computational Physics
Year:
2008

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Abstract

We compare several local absorbing boundary conditions for solving the Helmholtz equation, by a finite difference or finite element method, exterior to a general scatterer. These boundary conditions are imposed on an artificial elliptical or prolate ...