Influence of adaptive mesh refinement and the hydro solver on shear-induced mass stripping in a minor-merger scenario
We compare two different codes for simulations of cosmological structure - formation to investigate the sensitivity of hydrodynamical instabilities - to numerics, in particular, the hydro solver and the application of - adaptive mesh refinement (AMR). As a simple test problem, we consider an - init...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article (Journal) |
| Language: | English |
| Published: |
2015
|
| In: |
Astronomy and computing
Year: 2014, Volume: 9, Pages: 49-63 |
| ISSN: | 2213-1345 |
| DOI: | 10.1016/j.ascom.2014.11.003 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.ascom.2014.11.003 Verlag, lizenzpflichtig, Volltext: http://adsabs.harvard.edu/abs/2015A%26C.....9...49S 
|
| Author Notes: | W. Schmidt, J. Schulz, L. Iapichino, F. Vazza, A.S. Almgren |
MARC
| LEADER | 00000caa a2200000 c 4500 | ||
|---|---|---|---|
| 001 | 1703779215 | ||
| 003 | DE-627 | ||
| 005 | 20220818142503.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 200706r20152014xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.1016/j.ascom.2014.11.003 |2 doi | |
| 035 | |a (DE-627)1703779215 | ||
| 035 | |a (DE-599)KXP1703779215 | ||
| 035 | |a (OCoLC)1341344742 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rda | ||
| 041 | |a eng | ||
| 084 | |a 29 |2 sdnb | ||
| 100 | 1 | |a Schmidt, Wolfgang |d 1944- |e VerfasserIn |0 (DE-588)136554288 |0 (DE-627)69446970X |0 (DE-576)301078947 |4 aut | |
| 245 | 1 | 0 | |a Influence of adaptive mesh refinement and the hydro solver on shear-induced mass stripping in a minor-merger scenario |c W. Schmidt, J. Schulz, L. Iapichino, F. Vazza, A.S. Almgren |
| 264 | 1 | |c 2015 | |
| 300 | |a 15 | ||
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a Computermedien |b c |2 rdamedia | ||
| 338 | |a Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Available online 21 November 2014 | ||
| 500 | |a Gesehen am 06.07.2020 | ||
| 520 | |a We compare two different codes for simulations of cosmological structure - formation to investigate the sensitivity of hydrodynamical instabilities - to numerics, in particular, the hydro solver and the application of - adaptive mesh refinement (AMR). As a simple test problem, we consider an - initially spherical gas cloud in a wind, which is an idealized model for - the merger of a subcluster or galaxy with a big cluster. Based on an - entropy criterion, we calculate the mass stripping from the subcluster - as a function of time. Moreover, the turbulent velocity field is - analyzed with a multi-scale filtering technique. We find remarkable - differences between the commonly used PPM solver with directional - splitting in the ENZO code and an unsplit variant of PPM in the NYX - code, which demonstrates that different codes can converge to - systematically different solutions even when using uniform grids. For - the test case of an unbound cloud, AMR simulations reproduce - uniform-grid results for the mass stripping quite well, although the - flow realizations can differ substantially. If the cloud is bound by a - static gravitational potential, however, we find strong sensitivity to - spurious fluctuations which are induced at the cutoff radius of the - potential and amplified by the bow shock. This gives rise to substantial - deviations between uniform-grid and AMR runs performed with ENZO, while - the mass stripping in NYX simulations of the subcluster is nearly - independent of numerical resolution and AMR. Although many factors - related to numerics are involved, our study indicates that unsplit - solvers with advanced flux limiters help to reduce grid effects and to - keep numerical noise under control, which is important for - hydrodynamical instabilities and turbulent flows. | ||
| 534 | |c 2014 | ||
| 650 | 4 | |a Adaptive mesh refinement | |
| 650 | 4 | |a Hydrodynamics | |
| 650 | 4 | |a Instabilities | |
| 650 | 4 | |a Intracluster medium | |
| 650 | 4 | |a Turbulence | |
| 700 | 1 | |a Schulz, Jochen |d 1976- |e VerfasserIn |0 (DE-588)136659241 |0 (DE-627)585451842 |0 (DE-576)301192928 |4 aut | |
| 700 | 1 | |a Iapichino, Luigi |d 1976- |e VerfasserIn |0 (DE-588)130519634 |0 (DE-627)505285800 |0 (DE-576)298244888 |4 aut | |
| 700 | 1 | |a Vazza, Franco |d 1979- |e VerfasserIn |0 (DE-588)103040206X |0 (DE-627)73522093X |0 (DE-576)37822607X |4 aut | |
| 700 | 1 | |a Almgren, Ann S. |e VerfasserIn |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Astronomy and computing |d Amsterdam [u.a.] : Elsevier, 2013 |g 9(2015), Seite 49-63 |h Online-Ressource |w (DE-627)733357857 |w (DE-600)2695868-5 |w (DE-576)377488372 |x 2213-1345 |7 nnas |a Influence of adaptive mesh refinement and the hydro solver on shear-induced mass stripping in a minor-merger scenario |
| 773 | 1 | 8 | |g volume:9 |g year:2015 |g pages:49-63 |g extent:15 |a Influence of adaptive mesh refinement and the hydro solver on shear-induced mass stripping in a minor-merger scenario |
| 856 | 4 | 0 | |u https://doi.org/10.1016/j.ascom.2014.11.003 |x Verlag |x Resolving-System |z lizenzpflichtig |3 Volltext |
| 856 | 4 | 0 | |u http://adsabs.harvard.edu/abs/2015A%26C.....9...49S |x Verlag |z lizenzpflichtig |3 Volltext |
| 951 | |a AR | ||
| 992 | |a 20200706 | ||
| 993 | |a Article | ||
| 994 | |a 2015 | ||
| 998 | |g 130519634 |a Iapichino, Luigi |m 130519634:Iapichino, Luigi |p 3 | ||
| 999 | |a KXP-PPN1703779215 |e 3695890118 | ||
| BIB | |a Y | ||
| SER | |a journal | ||
| JSO | |a {"type":{"bibl":"article-journal","media":"Online-Ressource"},"note":["Available online 21 November 2014","Gesehen am 06.07.2020"],"language":["eng"],"recId":"1703779215","title":[{"title":"Influence of adaptive mesh refinement and the hydro solver on shear-induced mass stripping in a minor-merger scenario","title_sort":"Influence of adaptive mesh refinement and the hydro solver on shear-induced mass stripping in a minor-merger scenario"}],"person":[{"family":"Schmidt","given":"Wolfgang","roleDisplay":"VerfasserIn","display":"Schmidt, Wolfgang","role":"aut"},{"family":"Schulz","given":"Jochen","roleDisplay":"VerfasserIn","display":"Schulz, Jochen","role":"aut"},{"display":"Iapichino, Luigi","roleDisplay":"VerfasserIn","role":"aut","family":"Iapichino","given":"Luigi"},{"role":"aut","roleDisplay":"VerfasserIn","display":"Vazza, Franco","given":"Franco","family":"Vazza"},{"family":"Almgren","given":"Ann S.","roleDisplay":"VerfasserIn","display":"Almgren, Ann S.","role":"aut"}],"physDesc":[{"extent":"15 S."}],"relHost":[{"id":{"zdb":["2695868-5"],"eki":["733357857"],"issn":["2213-1345"]},"origin":[{"dateIssuedDisp":"2013-","dateIssuedKey":"2013","publisher":"Elsevier","publisherPlace":"Amsterdam [u.a.]"}],"physDesc":[{"extent":"Online-Ressource"}],"title":[{"title":"Astronomy and computing","title_sort":"Astronomy and computing"}],"recId":"733357857","language":["eng"],"type":{"bibl":"periodical","media":"Online-Ressource"},"note":["Gesehen am 23.03.2022"],"disp":"Influence of adaptive mesh refinement and the hydro solver on shear-induced mass stripping in a minor-merger scenarioAstronomy and computing","part":{"pages":"49-63","year":"2015","extent":"15","volume":"9","text":"9(2015), Seite 49-63"},"pubHistory":["1.2013 -"]}],"origin":[{"dateIssuedKey":"2015","dateIssuedDisp":"2015"}],"id":{"eki":["1703779215"],"doi":["10.1016/j.ascom.2014.11.003"]},"name":{"displayForm":["W. Schmidt, J. Schulz, L. Iapichino, F. Vazza, A.S. Almgren"]}} | ||
| SRT | |a SCHMIDTWOLINFLUENCEO2015 | ||