Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
2001
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | München, Techn. Univ., Diss., 2001 |
| Beschreibung: | IV, 154 S. Ill., graph. Darst. |
Internformat
MARC
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| 245 | 1 | 0 | |a Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae |c Konstantinos Kifonidis |
| 264 | 1 | |c 2001 | |
| 300 | |a IV, 154 S. |b Ill., graph. Darst. | ||
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| 500 | |a München, Techn. Univ., Diss., 2001 | ||
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CONTENTS
1 INTRODUCTION
1
1.1 THE SUPERNOVA PHENOMENON. X
1.2 THE QUEST FOR AN EXPLOSION MECHANISM.
3
1.2.1 THE PROMPT MECHANISM.
5
1.2.2 THE DELAYED MECHANISM.7~ ,. 6
2 HYDRODYNAMIC INSTABILITIES IN CORE COLLAPSE SUPERNOVAE 0
2.1 OBSERVATIONS REQUIRING NON-SPHERICAL MODELS. 9
2.1.1 SN 1987 A. 9
2.1.2
OTHER SUPERNOVAE AND SUPERNOVA
REMNANTS. XI
2.2 RAYLEIGH-TAYLOR INSTABILITIES IN SUPERNOVA ENVELOPES. 12
2.2.1 MODELS FOR THE MIXING IN SN 1987 A. 12
2.2.2 MODELS FOR RAYLEIGH-TAYLOR MIXING IN OTHER CORE COLLAPSE
SUPERNOVAE 17
2.3
CONVECTIVE INSTABILITIES IN THE DELAYED EXPLOSION
MECHANISM
.
LG
2.3.1 LEDOUX CONVECTION INSIDE THE PROTO NEUTRON STAR. 18
2.3.2 NEUTRON FINGER CONVECTION. 21
2.3.3 NEUTRINO DRIVEN CONVECTION BETWEEN GAIN RADIUS AND SHOCK
. 21
2.4 AIMS AND FURTHER STRUCTURE OF THIS WORK: TOWARDS A MORE COHERENT
PICTURE 22
3 THE "INNER PROBLEM": NUCLEOSYNTHESIS AND NEUTRINO DRIVEN CONVEC
TION 26
3.1 THE INITIAL MODEL./. 26
3.2 HYDRODYNAMICS. 27
3.3 NEUTRINO SOURCE TERMS AND EQUATION OF STATE. 27
3.4 NUMERICAL GRID, BOUNDARY CONDITIONS AND SEED PERTURBATIONS. 29
3.5 SELF-GRAVITY. 29
3.6 EXPLOSIVE NUCLEOSYNTHESIS. 30
3.7 ONE-DIMENSIONAL MODELS. 36
3.8 A ONE-DIMENSIONAL RESOLUTION STUDY. 48
3.9 TWO-DIMENSIONAL MODELS. 53
3.10 YIELDS. 67
3.11 "ODD-EVEN DECOUPLING" AND THE ROLE OF NUMERICAL NOISE. 70
BIBLIOGRAFISCHE INFORMATIONEN
HTTP://D-NB.INFO/962294004
IV
CONTENTS
3.12 VELOCITY DISTRIBUTIONS OF THE ELEMENTS. 76
4 THE "OUTER PROBLEM": SHOCK PROPAGATION AND RAYLEIGH-TAYLOR MIXING 81
4.1 THE INITIAL MODEL . . 82
4.2 HYDRODYNAMICS AND EQUATION OF STATE . 83
4.3 ONE-DIMENSIONAL MODELS. 84
4.3.1 COMPUTATIONAL SETUP. 84
4.3.2 GENERAL EVOLUTION. 85
4.4 TWO-DIMENSIONAL MODELS. 93
V
4.4.1 COMPUTATIONAL SETUP. 93
4.4.2 MODEL T310. 96
4.4.3 MODEL T280*. 105
4.4.4 IMPLICATIONS OF THE MIXING FOR OBSERVATIONS.107
4.4.5 VELOCITY DISTRIBUTIONS OF THE ELEMENTS.112
5 SUMMARY AND OUTLOOK 120
A THE EQUATIONS OF REACTIVE, SELF-GRAVITATING FLUID FLOW ' 124
A.L REACTIVE, SELF-GRAVITATING, NEUTRINO HYDRODYNAMICS.124
A. 2 NUCLEAR REACTION NETWORKS.126
B NUMERICAL METHODS 128
B. L THE HERAKLES HYDRODYNAMICS SOLVER.128
B.1.1 THE BASIC ALGORITHM.128
B.L.2 DISSIPATION MECHANISMS.130
B.2 ADAPTIVE MESH REFINEMENT FOR MULTI-SCALE SIMULATIONS.131
B.2.1 GRID STRUCTURE.132
B.2.2 GRID INTEGRATION.133
B.2.3 ERROR ESTIMATION AND GRID ADAPTION.134
B.3 THE AMRA CODE.
'
.135
B.3.1 IMPLEMENTATION OF SELF-GRAVITY IN AMRA.136
B.3.2 IMPLEMENTATION OF MULTI-SPECIES AND REACTIVE FLOW IN AMRA . . .
136
B.3.3 NUMERICAL TESTS.137
B.3.4 AMRA AND HERAKLES ON PARALLEL COMPUTERS.139
B.4 ASSETS AND DRAWBACKS OF AMR.141 |
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| id | DE-604.BV013847327 |
| illustrated | Illustrated |
| indexdate | 2024-10-09T18:08:32Z |
| institution | BVB |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-009471493 |
| oclc_num | 163201447 |
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| owner | DE-91 DE-BY-TUM DE-12 |
| owner_facet | DE-91 DE-BY-TUM DE-12 |
| physical | IV, 154 S. Ill., graph. Darst. |
| publishDate | 2001 |
| publishDateSearch | 2001 |
| publishDateSort | 2001 |
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| spelling | Kifonidis, Konstantinos 1971- Verfasser (DE-588)12311618X aut Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae Konstantinos Kifonidis 2001 IV, 154 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier München, Techn. Univ., Diss., 2001 Supernova (DE-588)4184117-7 gnd rswk-swf Nukleosynthese (DE-588)4172156-1 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Supernova (DE-588)4184117-7 s Nukleosynthese (DE-588)4172156-1 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009471493&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Kifonidis, Konstantinos 1971- Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae Supernova (DE-588)4184117-7 gnd Nukleosynthese (DE-588)4172156-1 gnd |
| subject_GND | (DE-588)4184117-7 (DE-588)4172156-1 (DE-588)4113937-9 |
| title | Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae |
| title_auth | Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae |
| title_exact_search | Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae |
| title_full | Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae Konstantinos Kifonidis |
| title_fullStr | Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae Konstantinos Kifonidis |
| title_full_unstemmed | Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae Konstantinos Kifonidis |
| title_short | Nucleosynthesis and hydrodynamic instabilities in core collapse supernovae |
| title_sort | nucleosynthesis and hydrodynamic instabilities in core collapse supernovae |
| topic | Supernova (DE-588)4184117-7 gnd Nukleosynthese (DE-588)4172156-1 gnd |
| topic_facet | Supernova Nukleosynthese Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009471493&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT kifonidiskonstantinos nucleosynthesisandhydrodynamicinstabilitiesincorecollapsesupernovae |