Nasal cavity flows using Lattice-Boltzmann methods on high performance computers:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Aachen
Apprimus-Verl.
2014
|
| Ausgabe: | 1. Aufl. |
| Schriftenreihe: | Fluid dynamics
|
| Schlagworte: | |
| Online-Zugang: | Nasal cavity flows using Lattice-Boltzmann methods on high performance computers Inhaltsverzeichnis |
| Beschreibung: | Zsfassung in dt. u. engl. Sprache |
| Beschreibung: | VIII, 126 S. Ill., graph. Darst. |
| ISBN: | 9783863592448 |
Internformat
MARC
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| 245 | 1 | 0 | |a Nasal cavity flows using Lattice-Boltzmann methods on high performance computers |c vorgelegt von Andreas Lintermann |
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| 264 | 1 | |a Aachen |b Apprimus-Verl. |c 2014 | |
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Datensatz im Suchindex
| _version_ | 1804152630502490112 |
|---|---|
| adam_text | CONTENTS
NOMENCLATURE III
1 INTRODUCTION 1
2 PHYSICAL MODEL 5
2.1 CHARACTERISTICS OF NASAL CAVITY FLOWS 5
2.2 KINETIC THEORY OF GASES 7
2.3 PARTICLE PROBABILITY DENSITY FUNCTIONS 9
2.4 GASES IN EQUILIBRIUM 10
2.5 THE BOLTZMANN EQUATION 12
2.6 THE BGK-EQUATION AND CHAPMAN-ENSKOG EXPANSION 13
3 COMPUTATIONAL MODEL OF THE LBM 17
3.1 DISCRETIZATION: THE LATTICE-BGK EQUATION 17
3.2 PASSIVE SCALAR TRANSPORT OF THE TEMPERATURE 21
3.3 LOCAL GRID REFINEMENT 22
3.4 BOUNDARY CONDITIONS 24
3.4.1 SIMPLE IN- AND OUTFLOW BOUNDARY CONDITIONS 24
3.4.2 WALL BOUNDARY CONDITIONS 25
3.5 IMPLEMENTATION OF THE LBM 28
4 MASSIVELY PARALLEL GRID GENERATION ON HIGH PERFORMANCE COMPUTERS 31
4.1 STATE OF THE ART: PARALLEL GRID GENERATION 31
4.2 MASSIVELY PARALLEL GRID GENERATION 33
4.2.1 STEP 1: GENERATION OF AN INITIAL BASE GRID 34
4.2.2 STEP 2: PARALLEL REFINEMENT TO A START GRID 37
4.2.3 STEP 3: FINAL COMPUTATIONAL GRID 39
4.2.4 GRID SETUP FOR THE FLOW SOLVER 43
4.3 NUMERICAL METHODS 45
4.3.1 MEMORY REQUIREMENTS OF THE LBM 45
4.3.2 THE FINITE-VOLUME METHOD 45
4.4 RESULTS 46
4.4.1 GRID GENERATION SPEED 47
HTTP://D-NB.INFO/1058261401
II
CONTENTS
4.4.2 SCALABILITY OF THE LBM SOLVER 52
4.4.3 NASAL CAVITY AND INTERNAL COMBUSTION ENGINE FLOWS 53
4.5 DISCUSSION 55
5 VALIDATION OF THE TLBGK-MODEL 57
5.1 VISCOUS BOUNDARY LAYER FLOWS AT
PR =
1 57
5.2 TEST SETUP AND BOUNDARY CONDITIONS 58
5.3 RESULTS AND DISCUSSION 59
6 INVESTIGATIONS OF NASAL CAVITY FLOWS 61
G.L FLOW IN THE HUMAN NASAL CAVITY 61
6.2 NUMERICAL METHODS 63
6.2.1 BOUNDARY CONDITIONS 63
6.2.2 SURFACE RECONSTRUCTION FROM CT-DATA 66
6.2.3 FLOW FIELD ANALYSIS 66
6.3 RESULTS AND DISCUSSION 70
6.3.1 PROBLEM DEFINITION 70
6.3.2 TOTAL PRESSURE LOSS 78
6.3.3 VORTICAL FLOW STRUCTURES 84
6.3.4 WALL-SHEAR STRESS 91
6.3.5 HEATING CAPABILITY 93
6.4 FINAL DISCUSSION AND CONCLUSIONS 94
7 SUMMARY AND CONCLUSION 97
8 OUTLOOK 101
A PROPERTIES OF THE BOLTZMANN EQUATION 103
A.L DERIVATION OF THE EULER EQUATIONS 103
A.2 DERIVATION OF THE NAVIER-STOKES EQUATIONS 104
A.3 ENTROPY AND H-THEOREM 104
B INTEGRATION OF THE LBM INTO ZFS 107
C COMPILER OPTIONS AND LFS STRIPING 111
C.L COMPILER OPTIONS ILL
C.2 LFS STRIPING ILL
D SURFACE RECONSTRUCTION FROM COMPUTER TOMOGRAPHY IMAGES 113
BIBLIOGRAPHY 116
AUTHOR-RELATED PREPUBLISHED MANUSCRIPTS AND SUPERVISED STUDENT THESES
125
|
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| author_facet | Lintermann, Andreas 1981- |
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| author_sort | Lintermann, Andreas 1981- |
| author_variant | a l al |
| building | Verbundindex |
| bvnumber | BV042143819 |
| classification_rvk | YN 4404 |
| ctrlnum | (OCoLC)894739875 (DE-599)HBZHT018397092 |
| discipline | Medizin |
| edition | 1. Aufl. |
| format | Thesis Book |
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| isbn | 9783863592448 |
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| series2 | Fluid dynamics |
| spelling | Lintermann, Andreas 1981- Verfasser (DE-588)1058623958 aut Nasal cavity flows using Lattice-Boltzmann methods on high performance computers vorgelegt von Andreas Lintermann 1. Aufl. Aachen Apprimus-Verl. 2014 VIII, 126 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Fluid dynamics Zsfassung in dt. u. engl. Sprache Zugl.: Aachen, Techn. Hochsch., Diss., 2014 Nasenatmung (DE-588)4385250-6 gnd rswk-swf Computersimulation (DE-588)4148259-1 gnd rswk-swf Gitter-Boltzmann-Methode (DE-588)4772570-9 gnd rswk-swf Supercomputer (DE-588)4128144-5 gnd rswk-swf Numerische Strömungssimulation (DE-588)4690080-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Nasenatmung (DE-588)4385250-6 s Numerische Strömungssimulation (DE-588)4690080-9 s Gitter-Boltzmann-Methode (DE-588)4772570-9 s Computersimulation (DE-588)4148259-1 s Supercomputer (DE-588)4128144-5 s DE-604 http://digitool.hbz-nrw.de:1801/webclient/DeliveryManager?pid=5823563&custom_att_2=simple_viewer Nasal cavity flows using Lattice-Boltzmann methods on high performance computers Zusätzliche Angaben DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027583740&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Lintermann, Andreas 1981- Nasal cavity flows using Lattice-Boltzmann methods on high performance computers Nasenatmung (DE-588)4385250-6 gnd Computersimulation (DE-588)4148259-1 gnd Gitter-Boltzmann-Methode (DE-588)4772570-9 gnd Supercomputer (DE-588)4128144-5 gnd Numerische Strömungssimulation (DE-588)4690080-9 gnd |
| subject_GND | (DE-588)4385250-6 (DE-588)4148259-1 (DE-588)4772570-9 (DE-588)4128144-5 (DE-588)4690080-9 (DE-588)4113937-9 |
| title | Nasal cavity flows using Lattice-Boltzmann methods on high performance computers |
| title_auth | Nasal cavity flows using Lattice-Boltzmann methods on high performance computers |
| title_exact_search | Nasal cavity flows using Lattice-Boltzmann methods on high performance computers |
| title_full | Nasal cavity flows using Lattice-Boltzmann methods on high performance computers vorgelegt von Andreas Lintermann |
| title_fullStr | Nasal cavity flows using Lattice-Boltzmann methods on high performance computers vorgelegt von Andreas Lintermann |
| title_full_unstemmed | Nasal cavity flows using Lattice-Boltzmann methods on high performance computers vorgelegt von Andreas Lintermann |
| title_short | Nasal cavity flows using Lattice-Boltzmann methods on high performance computers |
| title_sort | nasal cavity flows using lattice boltzmann methods on high performance computers |
| topic | Nasenatmung (DE-588)4385250-6 gnd Computersimulation (DE-588)4148259-1 gnd Gitter-Boltzmann-Methode (DE-588)4772570-9 gnd Supercomputer (DE-588)4128144-5 gnd Numerische Strömungssimulation (DE-588)4690080-9 gnd |
| topic_facet | Nasenatmung Computersimulation Gitter-Boltzmann-Methode Supercomputer Numerische Strömungssimulation Hochschulschrift |
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| work_keys_str_mv | AT lintermannandreas nasalcavityflowsusinglatticeboltzmannmethodsonhighperformancecomputers |