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dc.contributor.authorBisbas, T.~G.
dc.contributor.authorHaworth, T.~J.
dc.contributor.authorWilliams, R.~J.~R.
dc.contributor.authorMackey, J.
dc.contributor.authorTremblin, P.
dc.contributor.authorRaga, A.~C.
dc.contributor.authorArthur, S.~J.
dc.contributor.authorBaczynski, C.
dc.contributor.authorFrostholm, T.
dc.contributor.authorGeen, S.
dc.contributor.authorHaugbølle, T.
dc.contributor.authorHubber, D.
dc.contributor.authorIliev, I.~T.
dc.contributor.authorKuiper, R.
dc.contributor.authorRosdahl, J.
dc.contributor.authorSullivan, D.
dc.contributor.authorWalch, S.
dc.contributor.authorWünsch, R.
dc.contributor.authorDale, James
dc.date.accessioned2017-07-10T14:56:24Z
dc.date.available2017-07-10T14:56:24Z
dc.date.issued2015-10-21
dc.identifier.citationBisbas , T G , Haworth , T J , Williams , R J R , Mackey , J , Tremblin , P , Raga , A C , Arthur , S J , Baczynski , C , Frostholm , T , Geen , S , Haugbølle , T , Hubber , D , Iliev , I T , Kuiper , R , Rosdahl , J , Sullivan , D , Walch , S , Wünsch , R & Dale , J 2015 , ' STARBENCH: the D-type expansion of an H II region ' , Monthly Notices of the Royal Astronomical Society , vol. 453 , no. 2 , pp. 1324-1343 . https://doi.org/10.1093/mnras/stv1659
dc.identifier.issn0035-8711
dc.identifier.otherPURE: 11150751
dc.identifier.otherPURE UUID: 86e1afd5-188b-4191-8c8b-a57a434ed4ef
dc.identifier.otherBibtex: urn:60fe6943b3dbe8e7565ae08759f3325a
dc.identifier.otherScopus: 84942436771
dc.identifier.otherORCID: /0000-0001-5252-5771/work/62751065
dc.identifier.urihttp://hdl.handle.net/2299/18859
dc.descriptionThis article has been accepted for publication in Monthly Notices of the Royal Astronomical Society. © British Crown Owned Copyright 2015/AWE.
dc.description.abstractSTARBENCH is a project focused on benchmarking and validating different star formation and stellar feedback codes. In this first STARBENCH paper we perform a comparison study of the D-type expansion of an H II region. The aim of this work is to understand the differences observed between the 12 participating numerical codes against the various analytical expressions examining the D-type phase of H II region expansion. To do this, we propose two well-defined tests which are tackled by 1D and 3D grid- and smoothed particle hydrodynamics-based codes. The first test examines the ‘early phase’ D-type scenario during which the mechanical pressure driving the expansion is significantly larger than the thermal pressure of the neutral medium. The second test examines the ‘late phase’ D-type scenario during which the system relaxes to pressure equilibrium with the external medium. Although they are mutually in excellent agreement, all 12 participating codes follow a modified expansion law that deviates significantly from the classical Spitzer solution in both scenarios. We present a semi-empirical formula combining the two different solutions appropriate to both early and late phases that agrees with high-resolution simulations to ≲ 2 per cent. This formula provides a much better benchmark solution for code validation than the Spitzer solution. The present comparison has validated the participating codes and through this project we provide a data set for calibrating the treatment of ionizing radiation hydrodynamics codes.en
dc.format.extent20
dc.language.isoeng
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society
dc.rightsOpen
dc.subjecthydrodynamics, methods: numerical, ISM: bubbles, H II regions, ISM: kinematics and dynamics, galaxies: ISM
dc.titleSTARBENCH: the D-type expansion of an H II regionen
dc.contributor.institutionCentre for Astrophysics Research
dc.contributor.institutionSchool of Physics, Astronomy and Mathematics
dc.description.statusPeer reviewed
dc.relation.schoolSchool of Physics, Astronomy and Mathematics
dc.description.versiontypeFinal Published version
dcterms.dateAccepted2015-10-21
rioxxterms.versionVoR
rioxxterms.versionofrecordhttps://doi.org/10.1093/mnras/stv1659
rioxxterms.typeJournal Article/Review
herts.preservation.rarelyaccessedtrue
herts.rights.accesstypeOpen


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