Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics:
Gespeichert in:
| 1. Verfasser: | |
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
2014
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| Schlagworte: | |
| Online-Zugang: | Volltext https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20140714-1206465-0-1 Inhaltsverzeichnis |
| Beschreibung: | IV, 114 S. Ill., graph. Darst. |
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| 245 | 1 | 0 | |a Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics |c Florian Hanke |
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Datensatz im Suchindex
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| adam_text | TECHNISCHE
UNIVERSITAT
MUNCHEN
MAX-PLANCK-INSTITUT
FUR
ASTROPHYSIK
TWO- AND THREE-DIMENSIONAL SIMULATIONS
OF CORE-COLLAPSE SUPERNOVA EXPLOSIONS OF
MASSIVE STARS APPLYING NEUTRINO
HYDRODYNAMICS
FLORIAN HANKE
VOLLSTANDIGER ABDRUCK DER VON DER FAKULTAT FIIR PHYSIK DER TECHNISCHEN
UNIVERSITAT MUNCHEN
ZUR ERLANGUNG DES AKADEMISCHEN GRADES EINES
DOKTORS DER NATURWISSENSCHAFTEN (DR. RER. NAT.)
GENEHMIGTEN DISSERTATION.
VORSITZENDE: UNIV.-PROF. DR. ELISA RESCONI
PRIIFER DER DISSERTATION: 1. PRIV.-DOZ. DR. HANS-THOMAS JANKA
2. UNIV.-PROF. DR. BJORN GARBRECHT
DIE DISSERTATION WURDE AM 14.04.2014 BEI DER TECHNISCHEN UNIVERSITAT
MUNCHEN
EINGEREICHT UND DURCH DIE FAKULTAT FIIR PHYSIK
AM 02.07.2014 ANGENOMMEN.
HTTP://D-NB.INFO/1057887978
CONTENTS
1 INTRODUCTION 1
I 1.1 THE PARADIGM OF THE DELAYED NEUTRINO-DRIVEN EXPLOSION MECHANISM 1
1.2 * THE IMPORTANCE OF HYDRODYNAMIC INSTABILITIES 2
1.3 ADVANCING TO THREE-DIMENSIONAL MODELING 4
1.4 ORGANIZATION OF THIS THESIS 5
2 THE VERTEX-PROMETHEUS NEUTRINO RADIATION HYDRODYNAMICS CODE 7
2.1 THE HYDRODYNAMICS PART: THE
PROMETHEUS
CODE 8
2.1.1 NUMERICAL SOLUTION 9
2.1.2 TREATMENT OF SELF-GRAVITY 10
2.1.3 EQUATION OF STATE 10
2.2 THE NEUTRINO RADIATION PART: THE V
ERTEX
CODE 12
2.2.1 OVERVIEW 12
2.2.2 THE SYSTEM OF EQUATIONS 13
2.2.3 METHOD OF SOLUTION 15
2.2.4 COUPLING TO THE HYDRODYNAMICS 18
3 THE PROGENITOR STRUCTURE DEPENDENCE OF THE EXPLOSION MECHANISM IN
AXISYMME-
TRY 21
3.1 OVERVIEW OF THE INVESTIGATED SET OF AXISYMMETRIC SIMULATIONS 22
3.2 DEPENDENCE OF THE POSTBOUNCE EVOLUTION ON THE PRECOLLAPSE STRUCTURE
.... 25
3.3 CONDITIONS IN THE GAIN LAYER 30
3.4 THE CONCEPT OF A CRITICAL CURVE 35
3.5 DRIVER OF THE EXPLOSION, THE GROWTH OF INSTABILITIES 38
I 3.6 SHOCK EXPANSION AND EXPLOSION ENERGY 45
I 3.7 INVESTIGATION OF MODELS BASED ON THE PRESUPERNOVA MODELS OF
WOOSLEY & HEGER
(2007) 48
3.8 SUMMARY OF THE RESULTS BASED ON OUR AXISYMMETRIC SIMULATIONS 50
4 THE DEPENDENCE OF THE POSTBOUNCE EVOLUTION ON THE GRID SETUP IN
AXISYMMETRY 53
4.1 THE INFLUENCE OF NUMERICAL RESOLUTION 53
4.2 A SLIGHTLY SIMPLIFIED SETUP 55
5 SASI ACTIVITY AND CONVECTIVE OVERTURN IN FULLY SELF-CONSISTENT 3D
CORE-COLLAPSE
SUPERNOVA SIMULATIONS 59
5.1 NUMERICAL METHODS AND MODELING SETUP OF OUR 3D SIMULATIONS 62
5.2 SASI ACTIVITY IN 3D MODELS AND ITS COMPAXISON TO 2D 64
5.3 THE SPIRAL MODE OF THE SASI 76
5.4 REVIVAL OF SASI ACTIVITY 80
IV CONTENTS
5.5 RUNAWAY CONDITIONS AND EXPLOSION INDICATORS 83
5.6 TURBULENT MASS MOTIONS AND THE RISE OF BUOYANT PLUMES 87
5.7 DISCUSSION AND CONCLUSIONS 91
6 A PURELY CONVECTIVE MODEL: THE 11.2 M SN PROGENITOR 97
6.1 SHOCK PROPAGATION AND HEATING CONDITIONS 97
6.2 GROWTH OF CONVECTION AND THE SUPPRESSION OF SASI ACTIVITY 101
7 SUMMARY AND CONCLUSIONS 105
BIBLIOGRAPHY 109
|
| any_adam_object | 1 |
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| dewey-raw | 520 |
| dewey-search | 520 |
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| discipline | Physik |
| format | Thesis Book |
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| spelling | Hanke, Florian Verfasser aut Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics Florian Hanke 2014 IV, 114 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 2014 Explosion (DE-588)4016009-9 gnd rswk-swf Supernova (DE-588)4184117-7 gnd rswk-swf Neutrino (DE-588)4171614-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Supernova (DE-588)4184117-7 s Explosion (DE-588)4016009-9 s Neutrino (DE-588)4171614-0 s DE-604 Erscheint auch als Online-Ausgabe urn:nbn:de:bvb:91-diss-20140714-1206465-0-1 https://mediatum.ub.tum.de/node?id=1206465 Verlag kostenfrei Volltext https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20140714-1206465-0-1 Resolving-System DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027456452&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hanke, Florian Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics Explosion (DE-588)4016009-9 gnd Supernova (DE-588)4184117-7 gnd Neutrino (DE-588)4171614-0 gnd |
| subject_GND | (DE-588)4016009-9 (DE-588)4184117-7 (DE-588)4171614-0 (DE-588)4113937-9 |
| title | Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics |
| title_auth | Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics |
| title_exact_search | Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics |
| title_full | Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics Florian Hanke |
| title_fullStr | Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics Florian Hanke |
| title_full_unstemmed | Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics Florian Hanke |
| title_short | Two- and three-dimensional simulations of core-collapse supernova explosions of massive stars applying neutrino hydrodynamics |
| title_sort | two and three dimensional simulations of core collapse supernova explosions of massive stars applying neutrino hydrodynamics |
| topic | Explosion (DE-588)4016009-9 gnd Supernova (DE-588)4184117-7 gnd Neutrino (DE-588)4171614-0 gnd |
| topic_facet | Explosion Supernova Neutrino Hochschulschrift |
| url | https://mediatum.ub.tum.de/node?id=1206465 https://nbn-resolving.org/urn:nbn:de:bvb:91-diss-20140714-1206465-0-1 http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027456452&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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