Multigrid approach for molecular calculations
Neittaanmäki, P., Saarinen, K. (1987). Multigrid approach for Molecular Calculations. ZAMM, 67 (5), T436-T437.
Published in
ZAMMDate
1987Access restrictions
Copyright
© Wiley
Publisher
WileyISSN Search the Publication Forum
0044-2267Metadata
Show full item recordCollections
License
Related items
Showing items with similar title or keywords.
-
A damping preconditioner for time-harmonic wave equations in fluid and elastic material
Airaksinen, Tuomas; Pennanen, Anssi; Toivanen, Jari (Elsevier, 2009)A physical damping is considered as a preconditioning technique for acoustic and elastic wave scattering. The earlier preconditioners for the Helmholtz equation are generalized for elastic materials and three-dimensional ... -
An algebraic multigrid based shifted-Laplacian preconditioner for the Helmholtz equation
Airaksinen, Tuomas; Heikkola, Erkki; Pennanen, Anssi; Toivanen, Jari (Elsevier, 2007)A preconditioner defined by an algebraic multigrid cycle for a damped Helmholtz operator is proposed for the Helmholtz equation. This approach is well suited for acoustic scattering problems in complicated computational ... -
A graph-based multigrid with applications
Pennanen, Anssi (University of Jyväskylä, 2010) -
Poissonin yhtälön nopeat ratkaisijat
Jauhiainen, Susanne (2016)Tutkielmassa esitellään Poissonin yhtälö sekä sen diskretointi. Lisäksi käydään läpi kaksi nopeaa numeerista menetelmää yhtälön ratkaisemiseksi. Yksinkertaisuuden vuoksi rajoitutaan kaksiulotteisiin tehtäviin, joissa on ... -
Comparison between the shifted-Laplacian preconditioning and the controllability methods for computational acoustics
Airaksinen, Tuomas; Mönkölä, Sanna (Elsevier, 2010)Processes that can be modelled with numerical calculations of acoustic pressure fields include medical and industrial ultrasound, echo sounding, and environmental noise. We present two methods for making these calculations ...