A treecode based on barycentric Hermite interpolation for electrostatic particle interactions
Abstract: A particle-cluster treecode based on barycentric Hermite interpolation is presented for fast summation of electrostatic particle interactions in 3D. The interpolation nodes are Chebyshev points of the 2nd kind in each cluster. It is noted that barycentric Hermite interpolation is scale-invariant in a certain sense that promotes the treecode’s efficiency. Numerical results for the Coulomb and screened Coulomb potentials show that the treecode run time scales like O (N log N), where N is the number of particles in the system. The advantage of the barycentric Hermite treecode is demonstrated in comparison with treecodes based on Taylor approximation and barycentric Lagrange interpolation.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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A treecode based on barycentric Hermite interpolation for electrostatic particle interactions ; volume:7 ; number:1 ; year:2019 ; pages:73-84 ; extent:12
Computational and mathematical biophysics ; 7, Heft 1 (2019), 73-84 (gesamt 12)
- Creator
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Krasny, Robert
Wang, Lei
- DOI
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10.1515/cmb-2019-0006
- URN
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urn:nbn:de:101:1-2410261647117.269891981218
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:40 AM CEST
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Associated
- Krasny, Robert
- Wang, Lei
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