Geometrical description of homogeneous shear turbulence using dissipation element analysis:
Gespeichert in:
| Beteilige Person: | |
|---|---|
| Format: | Hochschulschrift/Dissertation Buch |
| Sprache: | Englisch |
| Veröffentlicht: |
Aachen
Shaker
2008
|
| Schriftenreihe: | Berichte aus der Mechanik
|
| Schlagwörter: | |
| Links: | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017081783&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| Umfang: | XII, 189 S. graph. Darst. |
| ISBN: | 9783832271749 |
Internformat
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| 100 | 1 | |a Wang, Lipo |d 1974- |e Verfasser |0 (DE-588)135670004 |4 aut | |
| 245 | 1 | 0 | |a Geometrical description of homogeneous shear turbulence using dissipation element analysis |c Lipo Wang |
| 264 | 1 | |a Aachen |b Shaker |c 2008 | |
| 300 | |a XII, 189 S. |b graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 0 | |a Berichte aus der Mechanik | |
| 502 | |a Zugl.: Aachen, Techn. Hochsch., Diss., 2008 | ||
| 650 | 7 | |a Direkte numerische Simulation |2 swd | |
| 650 | 7 | |a Scherströmung |2 swd | |
| 650 | 7 | |a Turbulente Strömung |2 swd | |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
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| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-017081783 | |
Datensatz im Suchindex
| DE-BY-TUM_call_number | 0001 2009 A 897 |
|---|---|
| DE-BY-TUM_katkey | 1662993 |
| DE-BY-TUM_location | Mag |
| DE-BY-TUM_media_number | 040006893145 |
| _version_ | 1821934486311403520 |
| adam_text | GEOMETRICAL DESCRIPTION OF HOMOGENEOUS SHEAR TURBULENCE USING
DISSIPATION ELEMENT ANALYSIS VON DER FAKULTAT FUR MASCHINENWESEN DER
RHEINISCH-WESTFALISCHEN TECHNISCHEN HOCHSCHULE AACHEN ZUR ERLANGUNG DES
AKADEMISCHEN GRADES EINES DOKTORS DER INGENIEURWISSENSCHAFTEN GENEHMIGTE
DISSERTATION VORGELEGT VON LIPO WANG AUS CHINA BERICHTER: UNIV.-PROF.
DR.-ING. DR. H. C. DR.-ING. E.H. N.PETERS PROF. DR.RER.NAT.HABIL.
J.SCHUMACHER TAG DER MUDLICHEN PRIIFUNG: 28. FEBRUAR 2008 CONTENTS 1
INTRODUCTION 1 1.1 COMMON FEATURES OF TURBULENCE 1 1.2 THEORETICAL
FRAMEWORK 2 1.3 COMPLEXITIES OF TURBULENCE 3 1.4 DIRECT NUMERICAL
SIMULATION OF HOMOGENEOUS SHEAR TURBULENCE 5 1.5 OUTLINE OF THE THESIS 6
2 NUMERICAL IMPLEMENTATION OF DNS 9 2.1 SPATIAL RESOLUTION 11 2.2
CONSERVATION FORM FOR CONVECTIVE TERMS 13 2.3 SPECTRAL METHOD AND
DEALIASING 14 2.4 TIME ADVANCEMENT 15 2.5 REMESHING AND THE MOVING-GRID
TRANSFORM 15 2.6 PARALLELIZATION 18 3 GENERAL CONCEPT OF DISSIPATION
ELEMENT AND THE NUMERICAL TRACING ALGO- RITHM 20 3.1 GRADIENT
TRAJECTORIES AND DISSIPATION ELEMENT 21 3.1.1 GENERAL PREREQUISITES OF
WELL-DEFINED SCALARS 22 3.1.2 CRITICAL POINTS IN DIFFUSIVE SCALAR FIELDS
24 3.1.3 CRITICAL POINTS OF DISSIPATION ELEMENTS 25 3.2 THE
TRAJECTORY-TRACING ALGORITHM 27 3.2.1 LINEAR INTERPOLATION OF 1ST ORDER
DERIVATIVE ON STAGGERED MESH . ... 28 3.2.2 NUMERICAL TREATMENT NEAR
CRITICAL POINTS 30 4 GEOMETRICAL STRUCTURE OF DISSIPATION ELEMENTS 34
4.1 THE SCALAR AND THE DISSIPATION WITHIN DISSIPATION ELEMENTS 34 4.2
RELATION BETWEEN DISSIPATION ELEMENTS AND VORTEX TUBES 34 4.2.1 THE
SECOND INVARIANT OF VELOCITY GRADIENT 36 4.2.2 VORTEX TUBES IN
TURBULENCE 37 4.2.3 SPATIAL INTERACTION OF DISSIPATION ELEMENTS AND
VORTEX TUBES 39 4.3 PARAMETRIC DESCRIPTION OF DISSIPATION ELEMENTS 39
4.4 EXTREMAL POINTS AND SECONDARY SPLITTING 42 4.5 THE MEAN DIAMETER AND
THE AVERAGE SHAPE OF DISSIPATION ELEMENTS 44 4.6 CONNECTIONS OF EXTREMAL
POINTS 45 4.7 TEMPORAL EVOLUTION OF DISSIPATION ELEMENTS 46 4.7.1
QUANTITATIVE RESULTS 46 4.7.1.1 EXAMPLES OF CUTTING 48 4.7.1.2 EXAMPLES
OF EXTREMAL (POINT) SPLITTING 51 4.7.1.3 EXAMPLES OF SADDLE POINT OR
SADDLE LINE SPLITTING 51 4.7.2 PHYSICAL MECHANISMS OF THE GENERATION OF
NEW EXTREMAL POINTS .... 54 4.7.3 RECOVERY OF MATCHING RATIO 57 4.7.4
EFFECTS OF NUMERICAL RESOLUTION 58 5 DISTRIBUTION FUNCTION OF THE LENGTH
SCALE 59 5.1 THEORETICAL DERIVATION FOR THE ID MODEL 59 5.1.1 THE PDF
EQUATION WITHOUT DRIFT TERM 60 5.1.2 THE PDF EQUATION WITH DRIFT TERM 63
5.2 NUMERICAL SOLUTION 66 5.3 RESULTS VERIFICATION 68 5.3.1 A
ONE-DIMENSIONAL TEST CASE 68 5.3.2 COMPARISON OF THE THEORETICAL
PREDICTION AND SIMULATION 72 5.4 DNS ANALYSIS OF VARIOUS FIELD VARIABLES
74 5.4.1 EXTREMAL POINTS AND LENGTH SCALES IN DIFFERENT TURBULENT FIELDS
75 5.4.2 LENGTH SCALE DISTRIBUTION OF THE PASSIVE SCALAR 77 5.4.3 LENGTH
SCALE DISTRIBUTION OF OTHER FIELD VARIABLES 78 5.4.3.1 MODELING 79
5.4.3.2 DNS RESULTS 81 6 STRUCTURE FUNCTIONS BASED ON DISSIPATION
ELEMENT ANALYSIS 88 6.1 STRUCTURE FUNCTION AND SPECTRUM FUNCTION 88 6.2
(ENERGY) CASCADE AND DIMENSIONAL ANALYSIS 89 6.3 AUTO-STRUCTURE
FUNCTIONS 90 6.3.1 RESULTS FOR THE FLUCTUATING PASSIVE SCALAR 91 6.3.2
RESULTS FOR OTHER FLUCTUATING FIELD VARIABLES 92 6.3.3 CONDITIONAL MEAN
ENERGY DISSIPATION 99 6.3.4 INTERACTION OF THE VELOCITY AND THE PASSIVE
SCALAR 102 7 MODELING OF THE JOINT PDF 104 7.1 DERIVATION OF THE
EQUATION 104 7.2 CONDITIONAL MOMENTS 108 7.2.1 THE FIRST MOMENT 109
7.2.2 THE SECOND MOMENT 110 7.3 SINGULARITY AT THE ORIGIN 112 7.4
NUMERICAL SOLUTION 114 8 THE RELATION OF JOINT PDFS IN DIFFERENT
DIMENSIONAL SPACES 121 8.1 P(L,A ) IN DIFFERENT DIMENSIONAL SPACES FROM
DNS 122 8.2 TRANSFORM BETWEEN JOINT PDFS IN ID AND 3D SPACES 126 8.3
NUMERICAL INVESTIGATION 127 9 FLAMELET TRANSFORM FOR SCALAR DISSIPATION
131 9.1 EXAMPLES OF TRAJECTORIES * 132 9.2 A FLAMELET EQUATION FOR THE
SCALAR DISSIPATION RATE 137 9.3 NUMERICAL EVALUATION OF DIFFERENT TERMS
142 9.4 THE SCALING OF CONDITIONAL MEAN SCALAR DISSIPATION 149 9.5
RELATION OF SCALAR DISSIPATION WITH STRAIN RATE FLUCTUATIONS 150 9.6
PROPERTIES OF CURVATURE 153 10 INTERMITTENCY AND ANISOTROPY 158 10.1 THE
STRUCTURE FUNCTION AND SELF-SIMILARITY OF THE CONDITIONAL PDF 158 10.2
RELATION OF INTERMITTENCY AND JOINT PDF 159 10.2.1 EXPLANATION OF
INTERMITTENCY FROM DISSIPATION ELEMENT ANALYSIS .... 161 10.3 STRUCTURE
OF ENERGY DISSIPATION AND SCALAR DISSIPATION 164 10.3.1 SPATIAL
DISTRIBUTION 165 10.3.2 THE EXTREMAL POINT CONNECTIONS 167 10.3.3
LOGNORMALITY 169 10.4 RELATION OF INTERMITTENCY AND ANISOTROPY 174 10.5
REPRESENTATION OF ANISOTROPY IN DISSIPATION ELEMENT ANALYSIS 175 A
INVARIANTS OF THE VELOCITY GRADIENT TENSOR 177 B THE DRIFT VELOCITY OF
SMALL DISSIPATION ELEMENTS 179 C SCALAR DIFFUSION IN COMPRESSIVE FLOWS
182 REFERENCES 183
|
| any_adam_object | 1 |
| author | Wang, Lipo 1974- |
| author_GND | (DE-588)135670004 |
| author_facet | Wang, Lipo 1974- |
| author_role | aut |
| author_sort | Wang, Lipo 1974- |
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| building | Verbundindex |
| bvnumber | BV035276499 |
| ctrlnum | (OCoLC)244055448 (DE-599)BVBBV035276499 |
| dewey-full | 620.10640151864 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 620 - Engineering and allied operations |
| dewey-raw | 620.10640151864 |
| dewey-search | 620.10640151864 |
| dewey-sort | 3620.10640151864 |
| dewey-tens | 620 - Engineering and allied operations |
| format | Thesis Book |
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| id | DE-604.BV035276499 |
| illustrated | Illustrated |
| indexdate | 2024-12-20T13:27:27Z |
| institution | BVB |
| isbn | 9783832271749 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-017081783 |
| oclc_num | 244055448 |
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| owner | DE-91 DE-BY-TUM |
| owner_facet | DE-91 DE-BY-TUM |
| physical | XII, 189 S. graph. Darst. |
| publishDate | 2008 |
| publishDateSearch | 2008 |
| publishDateSort | 2008 |
| publisher | Shaker |
| record_format | marc |
| series2 | Berichte aus der Mechanik |
| spellingShingle | Wang, Lipo 1974- Geometrical description of homogeneous shear turbulence using dissipation element analysis Direkte numerische Simulation swd Scherströmung swd Turbulente Strömung swd |
| subject_GND | (DE-588)4113937-9 |
| title | Geometrical description of homogeneous shear turbulence using dissipation element analysis |
| title_auth | Geometrical description of homogeneous shear turbulence using dissipation element analysis |
| title_exact_search | Geometrical description of homogeneous shear turbulence using dissipation element analysis |
| title_full | Geometrical description of homogeneous shear turbulence using dissipation element analysis Lipo Wang |
| title_fullStr | Geometrical description of homogeneous shear turbulence using dissipation element analysis Lipo Wang |
| title_full_unstemmed | Geometrical description of homogeneous shear turbulence using dissipation element analysis Lipo Wang |
| title_short | Geometrical description of homogeneous shear turbulence using dissipation element analysis |
| title_sort | geometrical description of homogeneous shear turbulence using dissipation element analysis |
| topic | Direkte numerische Simulation swd Scherströmung swd Turbulente Strömung swd |
| topic_facet | Direkte numerische Simulation Scherströmung Turbulente Strömung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017081783&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT wanglipo geometricaldescriptionofhomogeneousshearturbulenceusingdissipationelementanalysis |
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0001 2009 A 897 Lageplan |
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| Exemplar 1 | Ausleihbar Am Standort |