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 TVT, 2002, Volume 40, Issue 2, Pages 194–198 (Mi tvt1764)

Plasma Investigations

Accuracy in Calculating the Parameters of Scattered Radiation

A. B. Shigapova, Sh. D. Yarkhamovb

a Kazan State Power Engineering University
b Kazan State Technological University

Abstract: The angular characteristics of radiation scattered by particles are calculated. The effect of the accuracy of the number representation during computations (number of decimal places) on the calculation results is analyzed. It is shown that, in order to obtain reliable results within the available algorithm, it is often necessary to use a precision that is much higher than computer precision. An algorithm is proposed and implemented that makes it possible to avoid going beyond computer precision in calculations in a considerably extended range of input parameters. A simple approximate formula is proposed to restrict the number of terms in infinite sums, which ensures the required accuracy in calculating the scattering indicatrix and the radiative properties of particles.

Full text: PDF file (1017 kB)

English version:
High Temperature, 2002, 40:2, 166–170

Bibliographic databases:

UDC: 535.6

Citation: A. B. Shigapov, Sh. D. Yarkhamov, “Accuracy in Calculating the Parameters of Scattered Radiation”, TVT, 40:2 (2002), 194–198; High Temperature, 40:2 (2002), 166–170

Citation in format AMSBIB
\Bibitem{ShiYar02} \by A.~B.~Shigapov, Sh.~D.~Yarkhamov \paper Accuracy in Calculating the Parameters of Scattered Radiation \jour TVT \yr 2002 \vol 40 \issue 2 \pages 194--198 \mathnet{http://mi.mathnet.ru/tvt1764} \transl \jour High Temperature \yr 2002 \vol 40 \issue 2 \pages 166--170 \crossref{https://doi.org/10.1023/A:1015282602406} \isi{http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&DestLinkType=FullRecord&DestApp=ALL_WOS&KeyUT=000175472200003}