Radiation hydrodynamical wind revisited: Nonrelativistic regime

Fukue Jun

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Radiation hydrodynamical wind revisited: Nonrelativistic regime

机译：辐射流体动力风再探：非相对论

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Were-examinetheradiatively-drivensphericalwindunderthediffusionandlocalthermodynamicequilibrium(LTE)approximations,whilefocusingourattentiononthetopologicalnatureofcriticalpoints.Wefirstconsiderthenonrelativisticcase,wherethereisnoradiationdragandadvectionluminosity.Wefindthatunderthediffusionapproximationalmostallcriticalpoints(loci)areofthenodaltype,whichishigherordersingularpoints,whichmakesthesolutionsstiff.Ontheotherhand,undertheLTEapproximation,wherethediffusivetermsdonotexistinthesourceterms,thecriticalpointsareofthesaddletype,andtransonicsolutionsarenotstiff.Althoughthelociofcriticalpointsarequitesimilarforbothapproximationsinthenonrelativisticregime,thetypesofcriticalpointsarefoundtobequitedifferent.

机译：是-examinetheradiatively-drivensphericalwindunderthediffusionandlocalthermodynamicequilibrium（LTE）近似值，whilefocusingourattentiononthetopologicalnatureofcriticalpoints.Wefirstconsiderthenonrelativisticcase，wherethereisnoradiationdragandadvectionluminosity.Wefindthatunderthediffusionapproximationalmostallcriticalpoints（基因座）areofthenodaltype，whichishigherordersingularpoints，whichmakesthesolutionsstiff.Ontheotherhand，undertheLTEapproximation，wherethediffusivetermsdonotexistinthesourceterms，thecriticalpointsareofthesaddletype，andtransonicsolutionsarenotstiff.Althoughthelociofcriticalpointsarequitesimilarforbothapproximationsinthenonrelativisticregime，thetypesofcriticalpointsarefoundtobequitedifferent。

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《PASJ: Publications of the Astronomical Society of Japan》 |2014年第2期|共页
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Fukue Jun;
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Radiation hydrodynamical wind revisited: Nonrelativistic regime

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