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Accelerations of the Discrete Ordinate Method for Nadir Viewing Geometries

Efremenko, Dmitry and Doicu, Adrian and Loyola, Diego and Trautmann, Thomas (2013) Accelerations of the Discrete Ordinate Method for Nadir Viewing Geometries. AIP Conference Proceedings, 1531, pp. 55-58. American Institute of Physics (AIP). DOI: 10.1063/1.4804706 ISSN 0094-243X

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Official URL: http://proceedings.aip.org/resource/2/apcpcs/1531/1/55_1


In this paper we analyze several acceleration techniques for the discrete ordinate method with matrix exponential for the solution of the radiative transfer equation. These techniques include the left eigenvectors matrix approach for computing the inverse of the right eigenvector matrix, the telescoping technique, and the method of false discrete ordinate. The numerical simulations have shown that on average the relative speedup of the left eigenvector matrix approach and the telescoping technique are of about 15% and 30%, respectively.

Item URL in elib:https://elib.dlr.de/83018/
Document Type:Article
Title:Accelerations of the Discrete Ordinate Method for Nadir Viewing Geometries
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Efremenko, Dmitrydmitry.efremenko (at) dlr.deUNSPECIFIED
Doicu, AdrianAdrian.Doicu (at) dlr.deUNSPECIFIED
Loyola, Diegodiego.loyola (at) dlr.deUNSPECIFIED
Trautmann, Thomasthomas.trautmann (at) dlr.deUNSPECIFIED
Journal or Publication Title:AIP Conference Proceedings
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.1063/1.4804706
Page Range:pp. 55-58
Publisher:American Institute of Physics (AIP)
Keywords:Radiative transfer, Discrete ordinates
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Entwicklung von Atmosphärenprozessoren (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Atmospheric Processors
Deposited By: Efremenko, Dr Dmitry
Deposited On:24 Jun 2013 15:09
Last Modified:19 Jan 2021 04:12

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