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Energy-Stable Globa...
Energy-Stable Global Radial Basis Function Methods on Summation-By-Parts Form
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- Glaubitz, Jan (författare)
- Massachusetts Institute of Technology, USA
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- Nordström, Jan, 1953- (författare)
- Linköpings universitet,Tekniska fakulteten,Tillämpad matematik,University of Johannesburg, South Africa
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- Öffner, Philipp (författare)
- Johannes Gutenberg University, Germany; TU Clausthal, Germany
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(creator_code:org_t)
- SPRINGER/PLENUM PUBLISHERS, 2024
- 2024
- Engelska.
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Ingår i: Journal of Scientific Computing. - : SPRINGER/PLENUM PUBLISHERS. - 0885-7474 .- 1573-7691. ; 98:1
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Abstract
Ämnesord
Stäng
- Radial basis function methods are powerful tools in numerical analysis and have demonstrated good properties in many different simulations. However, for time-dependent partial differential equations, only a few stability results are known. In particular, if boundary conditions are included, stability issues frequently occur. The question we address in this paper is how provable stability for RBF methods can be obtained. We develop a stability theory for global radial basis function methods using the general framework of summation-by-parts operators often used in the Finite Difference and Finite Element communities. Although we address their practical construction, we restrict the discussion to basic numerical simulations and focus on providing a proof of concept.
Ämnesord
- NATURVETENSKAP -- Matematik -- Beräkningsmatematik (hsv//swe)
- NATURAL SCIENCES -- Mathematics -- Computational Mathematics (hsv//eng)
Nyckelord
- Global radial basis functions; Time-dependent partial differential equations; Energy stability; Summation-by-part operators
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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