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Far field boundary conditions for computation over long time
KTH, School of Computer Science and Communication (CSC), Numerical Analysis, NA.
1988 (English)In: Applied Numerical Mathematics, ISSN 0168-9274, E-ISSN 1873-5460, Vol. 4, no 1, 21-45 p.Article in journal (Refereed) Published
Abstract [en]

A new class of computational far field boundary conditions for hyperbolic partial differential equations is developed. These boundary conditions combine properties of absorbing boundary conditions for transient solutions and properties of far field boundary conditions for steady-state problems. The conditions can be used to limit the computational domain when both traveling waves and evanescent waves are present. Boundary conditions for scalar wave equations are derived and analyzed. Extensions to systems of equations are discussed and results from numerical experiments are presented.

Place, publisher, year, edition, pages
1988. Vol. 4, no 1, 21-45 p.
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-90503DOI: 10.1016/S0168-9274(88)80004-7OAI: diva2:505744
NR 20140805Available from: 2012-02-24 Created: 2012-02-24Bibliographically approved

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Engquist, Björn
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Numerical Analysis, NA
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ReferencesLink to record
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