Preconditioned space-time boundary element methods for the one-dimensional heat equation

In this note we describe a space-time boundary element discretization of the heat equation and an efficient and robust preconditioning strategy which is based on the use of boundary integral operators of opposite orders, but which requires a suitable stability condition for the boundary element spac...

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Published in:arXiv.org 2018-11
Main Authors: Dohr, Stefan, Steinbach, Olaf
Format: Article
Language:English
Subjects:
Boundary element method
Dimensional stability
Discretization
Mathematical analysis
Operators (mathematics)
Preconditioning
Spacetime
Stability analysis
Thermodynamics
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description In this note we describe a space-time boundary element discretization of the heat equation and an efficient and robust preconditioning strategy which is based on the use of boundary integral operators of opposite orders, but which requires a suitable stability condition for the boundary element spaces used for the discretization. We demonstrate the method for the simple spatially one-dimensional case. However, the presented results, particularly the stability analysis of the boundary element spaces, can be used to extend the method to the two- and three-dimensional problem.
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subjects Boundary element method
Dimensional stability
Discretization
Mathematical analysis
Operators (mathematics)
Preconditioning
Spacetime
Stability analysis
Thermodynamics
title Preconditioned space-time boundary element methods for the one-dimensional heat equation
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