Automatic extraction of vortex core lines and other line type features for scientific visualization:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Konstanz
Hartung-Gorre
2000
|
| Ausgabe: | 1. Aufl. |
| Schriftenreihe: | Selected readings in vision and graphics
9 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zugl.: Zürich, Eidgenössische Techn. Hochsch., Diss., 2000 |
| Beschreibung: | X, 204 S. Ill., graph. Darst. |
| ISBN: | 3896495828 |
Internformat
MARC
| LEADER | 00000nam a22000008cb4500 | ||
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| 044 | |a gw |c DE | ||
| 049 | |a DE-703 | ||
| 100 | 1 | |a Roth, Martin |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Automatic extraction of vortex core lines and other line type features for scientific visualization |c Martin Roth |
| 250 | |a 1. Aufl. | ||
| 264 | 1 | |a Konstanz |b Hartung-Gorre |c 2000 | |
| 300 | |a X, 204 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 490 | 1 | |a Selected readings in vision and graphics |v 9 | |
| 500 | |a Zugl.: Zürich, Eidgenössische Techn. Hochsch., Diss., 2000 | ||
| 650 | 0 | 7 | |a Vektorfeld |0 (DE-588)4139571-2 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Merkmalsextraktion |0 (DE-588)4314440-8 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Wirbel |g Physik |0 (DE-588)4128386-7 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Visualisierung |0 (DE-588)4188417-6 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Strömung |0 (DE-588)4058076-3 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Konturfindung |0 (DE-588)4165186-8 |2 gnd |9 rswk-swf |
| 655 | 7 | |0 (DE-588)4113937-9 |a Hochschulschrift |2 gnd-content | |
| 689 | 0 | 0 | |a Strömung |0 (DE-588)4058076-3 |D s |
| 689 | 0 | 1 | |a Visualisierung |0 (DE-588)4188417-6 |D s |
| 689 | 0 | 2 | |a Merkmalsextraktion |0 (DE-588)4314440-8 |D s |
| 689 | 0 | |5 DE-604 | |
| 689 | 1 | 0 | |a Wirbel |g Physik |0 (DE-588)4128386-7 |D s |
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| 830 | 0 | |a Selected readings in vision and graphics |v 9 |w (DE-604)BV035419956 |9 9 | |
| 856 | 4 | 2 | |m DNB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009132193&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 943 | 1 | |a oai:aleph.bib-bvb.de:BVB01-009132193 | |
Datensatz im Suchindex
| _version_ | 1816443730972901376 |
|---|---|
| adam_text |
FABLE
OF
CONTENTS
TABLE
OF
CONTENTS
1
INTRODUCTION
.
1
OVERVIEW
OFTHE
STRUCTURE
OF
THIS
TEXT
.
1
PROJECT
HISTORY
AND
TIME-LINE
.
2
ACKNOWLEDGMENTS
.
3
2
FLOW
VISUALIZATION
BASICS
.5
2.1
SCIENTIFIC
VISUALIZATION
.
5
GRIDTYPES
.6
VISUALIZATION
PIPELINE
.
7
MODULAR
VISUALIZATION
ENVIRONMENTS
.
7
2.2
BASIC
FLOW
VISUALIZATION
TECHNIQUES
.
9
2.2.1
ARROWS
AND
OTHER
POINT
ICONS
.
9
2.2.2
STREAMLINES
AND
RELATED
TECHNIQUES
.
10
2.2.3
TEXTURE
METHODS
.
14
2.3
FEATURE-BASED
VISUALIZATION
.
15
2.4
TOPOLOGY
OF
VECTOR
FIELDS
.
18
3
LINE-TYPE
FEATURES:
THE
STATE
OF
THE
ART
.
23
3.1
TYPES
OF
FEATURES
.
23
LOCALIZABILITY
.
23
DIMENSIONALITY
.
23
LOCAL,
GLOBAL
AND
SETFEATURES
.
24
3.2
VORTICES
IN
FLUID
FLOW
.
25
LACK
OF
APROPER
DEFINITION
.
25
LINEAR
FLOW
FIELDS
.
27
A
SIMPLE
VORTEX
MODEL:
SOLID
BODY
ROTATION
.
28
THE
POTENTIAL
VORTEX
.
28
MORE
ELABORATE
VORTEX
MODELS
.
30
TABLEOF
CONTENTS
3.3
REGION-TYPE
VORTEX
DEFINITIONS
.
31
3.3.1
THRESHOLD
ON
VORTICITY
MAGNITUDE
.
31
3.3.2
THRESHOLD
ON
PRESSURE
.
32
3.3.3
THRESHOLD
ON
HELICITY
.
33
3.3.4
POSITIVE
SECOND
INVARIANT
OF
JACOBIAN
.
35
3.3.5
LAMBDA
2
36
3.3.6
SET-CONCEPT
BY
PORTELA
.
36
3.3.7
SHORTCOMINGS
OF
ALL
SURFACE
METHODS
.
37
3.4
LINE-TYPE
DEFINITIONS
OF
THE
VORTEX
CORE
.
38
3.4.1
STREAMLINES
FROM
CRITICAL
POINTS
.
39
3.4.2
CURVATURE
CENTER
DENSITY
.
40
3.4.3
LEVY/DEGANI/SEGINER
.
42
3.4.4
BANKS/SINGER
.
43
3.4.5
SUJUDI/HAIMES
.
44
3.4.6
MIURA/KIDA
.
47
3.4.7
STRAWN/KENWRIGHT/AHMAD
.
49
3.5
FLOW
ATTACHMENT
AND
DETACHMENT
.
50
3.6
RIGDES
AND
VALLEYS
.
52
3.6.1
GEOMORPHOLOGY
(TOPOGRAPHY)
.
52
3.6.2
IMAGE
PROCESSING
AND
COMPUTER
VISION
.
54
DIFFERENT
USAGE
OFTHE
TERRN
RIDGE
IN
DIFFERENTIAL
GEOMETRY
.54
4
PARALLEL
VECTORS
.
55
4.1
DEFINITION
.
55
4.2
SELECTION
CRITERIA
.
56
4.2.1
FEATURE
STRENGTH
.
57
VORTEX
STRENGTH
.
57
4.2.2
FEATURE
QUALITY
-
ANGLE
CRITERION
.
59
4.3
IMPLEMENTATION
.
60
4.3.1
ISO-SURFACE
INTERSECTION
.
62
4.3.2
ITERATIVE
METHOD
ON
GRID
FACES
.
63
CONNECTING
POINTS
TO
LINES
.
64
AN
ALTERNATIVE
CONNECTION
ALGORITHM
.
65
4.3.3
ANALYTIC
METHOD
FOR
TRIANGULAR
FACES
.
66
4.3.4
CURVE-FOLLOWING
ALGORITHMS
.
68
VI
TABLEOF
CONTENTS
5
ANALYSIS
OF
LINE-TYPE
FEATURES
.
71
5.1
GENERAL
OBSERVATIONS
ON
VORTEX
CORE
LINES
.
71
CONFLICTING
DEFINITIONS
.
71
BASIC
ASSUMPTIONS
.
71
FUNDAMENTAL
PROPERTIES
.
72
GALILEAN
INVARIANCE
.
72
VECTOR
SCALING
INVARIANCE
.
74
5.2
ANALYSIS
AND
GENERALIZATION
OF
EXISTING
METHODS
.
74
5.2.1
LEVY/DEGANI/SEGINER
.
74
5.2.2
BANKS/SINGER
.
77
5.2.3
GENERALIZATION:
SECTIONAL
EXTREMA
OF
ARBITRARY
SCALAR
.
78
5.2.4
STRAWN/KENWRIGHT/AHMAD
.
79
5.2.5
SUJUDI/HAIMES
.
80
CORRECTNESS
IN
LINEARFLOW
FIELDS
.
81
5.2.6
THE
LOCI
OF
ZERO
CURVATURE
.
82
5.2.7
FLOW
ATTACHMENT
AND
DETACHMENT
USING
PARALLEL
VECTORS
.
82
BIFURCATION
LINES
.
84
5.2.8
RIDGE
AND
VALLEY
LINES
.
85
5.2.9
MIURA/KIDA
.
87
5.3
SYSTEMATIC
OVERVIEW
.
88
6
ENHANCING
VORTEX
CORE
METHODS
.
93
6.1
DISPLACEMENT
PROBLEM
OF
FIRST-ORDER
METHODS
.
93
6.1.1
MATHEMATICAL
MODEL
OF
CURVED
VORTEX
.
93
6.1.2
MODEL
OF
A
VALLEY
WHOSE
VALLEY
LINE
IS
NOT
A
SLOPE
LINE
.
96
6.1.3
MODEL
OF
A
VORTEX
WHOSE
CORE
LINE
IS
NOT
A
STREAMLINE
.
99
6.2
SECOND-ORDER
METHOD
FOR
VORTEX
CORES
.
101
6.2.1
DEFINITION
.
102
APPLICATION
TO
DIRECTION
FIELDS
.
.
104
6.2.2
DISCUSSION
.
105
6.3
CALCULATION
OF
DERIVATIVES
AND
NUMERICAL
ERRORS
.
106
NUMERICAL
CALCULATION
OFFIRST
DERIVATIVES
.
106
CALCULATING
HIGHER-ORDER
DERIVATIVES.
107
NUMERICAL
ERRORS
OF
CALCULATING
DERIVATIVES
.
108
NUMERICAL
ERRORS
IN
THE
COMPLETE
VORTEX
CORE
LINE
ALGORITHM
.
110
SIGNIFICANCE
OFMETHODICAL
ERRORS
COMPARED
TO
NUMERICAL
ERRORS
.
113
6.4
FINDING
VORTEX
REGIONS
BASED
ON
CORE
LINES
.
116
VH
TABLE
OF
CONTENTS
7
APPLICATION
TO
PRACTICAL
FLOW
DATA
.
119
7.1
DRAFT
TUBE
OF
FRANCIS
TURBINE
WITH
SWIRLING
FLOW
.
119
7.2
SELECTED
VORTEX
IN
A
FRANCIS
TURBINE
RUNNER
.
123
7.3
FRANCIS
TURBINE
RUNNER
.
126
7.4
STATOR
OF
PUMP-TURBINE
.
129
7.5
EVALUATION
.
131
8
CONCLUSIONS
.
133
8.1
CONTRIBUTIONS
.
133
8.2
FUTURE
RESEARCH
DIRECTIONS
.
134
INTEGRATION
OFFEATURE-BASED
TECHNIQUES
INTO
A
VISUALIZATION
SYSTEM
.
134
VIRTUAL
REALITY
VISUALIZATION
SYSTEMS
.
134
ENHANCING
AND
AUTOMATING
OTHER
VISUALIZATION
TECHNIQUES
.
134
FINDING
BETTER
DEFINITIONS
FOR
A
VORTEX
.
135
VLLL
TABLE
OF
CONTENTS
APPENDIX
A
MATHEMATICS
OF
VECTOR
FIELDS
.
137
A.L
NOTATION
.
137
A.2
BASIC
OPERATIONS
.
138
PRODUCTS
.
138
FIRST-ORDER
DERIVATIVES
(GRADIENT,
JACOBIAN,
NABLA).
.
138
BASIC
QUANTITIES
DERIVED
FROM
FIRST-ORDER
DERIVATIVES:
DIVERGENCE,
CURL,
VORTICITY
.
139
SECOND-ORDER
DERIVATIVES
(HESSIAN,
TENSORS,
LAPLACIAN)
.
140
CONVECTIVE
DERIVATIVE
D/DT
.
141
A.3
SELECTED
TOPICS
IN
LINEAR
ALGEBRA
.
142
INVARIANTS,
EIGENVALUES
AND
EIGENVECTORS
.142
ANALYTICAL
CALCULATION
OF
EIGENVALUES
.
143
A.4
SOME
ADVANCED
DERIVED
FIELDS
.
145
ACCELERATION
.
145
CURVATURE
.
145
JERK
.
147
TORSION
.
147
A.5
A
WORD
ON
NON-DEGENERATE
FIELDS
.
148
A.6
SOME
VECTOR
FIELD
IDENTITIES
.
149
IDENTITIES
FOR
PRODUCTS
.
149
DEFINITIONS
OF
DIFFERENTIAL
OPERATORS
.
149
IDENTITIES
FOR
DIFFERENTIAL
OPERATORS
.
149
IDENTITIES
INVOLVING
MATRICES
.
151
B
INTRODUCTION
TO
FLUID
DYNAMICS
.
153
B.L
IDEALIZED
FLUID
.
153
B.2
EQUATION
OF
CONTINUITY
(CONSERVATION
OF
MASS)
.
153
INCOMPRESSIBLE
FLUID
.
154
B.3
EULER
EQUATION
(INVISCID
FLOW)
.
155
B.4
NAVIER-STOKES
EQUATION
(VISCOUS
FLOW)
.
155
REYNOLDS
NUMBER
.
157
B.5
SOME
REMARKS
ON
NUMERICS
.
158
TURBULENCE
MODEL
.
158
BOUNDARY
CONDITIONS
.
158
SOLVERS
.
159
GRID
GENERATION
.
160
IX
TABLE
OF
CONTENTS
C
TURBOMACHINERY
BASICS
.
163
3.1
INTRODUCTION
.
163
3.2
HYDRAULIC
TURBINES
AND
PUMPS
.
164
STRUCTURAL
ELEMENTS
OFA
HYDRAULIC
TURBOMACHINE
.
166
KAPLAN
TURBINES.
169
FRANCIS
TURBINES
.
170
PELTON
TURBINES
.
171
TURBULENCE
AND
CAVITATION
.
173
3.3
DESIGN
OFWATER
TURBINES
.
175
3.4
INDUSTRIAL
TURBOMACHINERY
DESIGN
.
176
NUMERICAL
TEST
STAND
.
177
EXISTING
CFDFLOW
VISUALIZATION
TOOLS
.
178
3.5
SPECIFIC
ISSUES
OF
TURBOMACHINERY
FLOW
VISUALIZATION
.
180
SINGLE-BLOCK
DATA
AND
ROTATIONAL
SYMMETRY
.
180
MULTIPLE
MOVING
ZONES
.181
MULTI-BLOCK
DATA
STRUCTURES.
182
D
AVS
PARALLEL
VECTORS
MODULE
LIBRARY
.
185
E
EQUATION
FOR
BENT
HELICAL
FLOW
FIELD
.
187
F
COLOR
FIGURES
.191
G
REFERENCES
.
195
G.
1
WEB
SITE
REFERENCES
.
195
G.2
LITERATURE
.
195
H
INDEX
.
203 |
| any_adam_object | 1 |
| author | Roth, Martin |
| author_facet | Roth, Martin |
| author_role | aut |
| author_sort | Roth, Martin |
| author_variant | m r mr |
| building | Verbundindex |
| bvnumber | BV013387057 |
| ctrlnum | (OCoLC)49774843 (DE-599)BVBBV013387057 |
| edition | 1. Aufl. |
| format | Book |
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| genre | (DE-588)4113937-9 Hochschulschrift gnd-content |
| genre_facet | Hochschulschrift |
| id | DE-604.BV013387057 |
| illustrated | Illustrated |
| indexdate | 2024-11-22T17:15:31Z |
| institution | BVB |
| isbn | 3896495828 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-009132193 |
| oclc_num | 49774843 |
| open_access_boolean | |
| owner | DE-703 |
| owner_facet | DE-703 |
| physical | X, 204 S. Ill., graph. Darst. |
| publishDate | 2000 |
| publishDateSearch | 2000 |
| publishDateSort | 2000 |
| publisher | Hartung-Gorre |
| record_format | marc |
| series | Selected readings in vision and graphics |
| series2 | Selected readings in vision and graphics |
| spelling | Roth, Martin Verfasser aut Automatic extraction of vortex core lines and other line type features for scientific visualization Martin Roth 1. Aufl. Konstanz Hartung-Gorre 2000 X, 204 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Selected readings in vision and graphics 9 Zugl.: Zürich, Eidgenössische Techn. Hochsch., Diss., 2000 Vektorfeld (DE-588)4139571-2 gnd rswk-swf Merkmalsextraktion (DE-588)4314440-8 gnd rswk-swf Wirbel Physik (DE-588)4128386-7 gnd rswk-swf Visualisierung (DE-588)4188417-6 gnd rswk-swf Strömung (DE-588)4058076-3 gnd rswk-swf Konturfindung (DE-588)4165186-8 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Strömung (DE-588)4058076-3 s Visualisierung (DE-588)4188417-6 s Merkmalsextraktion (DE-588)4314440-8 s DE-604 Wirbel Physik (DE-588)4128386-7 s Vektorfeld (DE-588)4139571-2 s Konturfindung (DE-588)4165186-8 s Selected readings in vision and graphics 9 (DE-604)BV035419956 9 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009132193&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Roth, Martin Automatic extraction of vortex core lines and other line type features for scientific visualization Selected readings in vision and graphics Vektorfeld (DE-588)4139571-2 gnd Merkmalsextraktion (DE-588)4314440-8 gnd Wirbel Physik (DE-588)4128386-7 gnd Visualisierung (DE-588)4188417-6 gnd Strömung (DE-588)4058076-3 gnd Konturfindung (DE-588)4165186-8 gnd |
| subject_GND | (DE-588)4139571-2 (DE-588)4314440-8 (DE-588)4128386-7 (DE-588)4188417-6 (DE-588)4058076-3 (DE-588)4165186-8 (DE-588)4113937-9 |
| title | Automatic extraction of vortex core lines and other line type features for scientific visualization |
| title_auth | Automatic extraction of vortex core lines and other line type features for scientific visualization |
| title_exact_search | Automatic extraction of vortex core lines and other line type features for scientific visualization |
| title_full | Automatic extraction of vortex core lines and other line type features for scientific visualization Martin Roth |
| title_fullStr | Automatic extraction of vortex core lines and other line type features for scientific visualization Martin Roth |
| title_full_unstemmed | Automatic extraction of vortex core lines and other line type features for scientific visualization Martin Roth |
| title_short | Automatic extraction of vortex core lines and other line type features for scientific visualization |
| title_sort | automatic extraction of vortex core lines and other line type features for scientific visualization |
| topic | Vektorfeld (DE-588)4139571-2 gnd Merkmalsextraktion (DE-588)4314440-8 gnd Wirbel Physik (DE-588)4128386-7 gnd Visualisierung (DE-588)4188417-6 gnd Strömung (DE-588)4058076-3 gnd Konturfindung (DE-588)4165186-8 gnd |
| topic_facet | Vektorfeld Merkmalsextraktion Wirbel Physik Visualisierung Strömung Konturfindung Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=009132193&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV035419956 |
| work_keys_str_mv | AT rothmartin automaticextractionofvortexcorelinesandotherlinetypefeaturesforscientificvisualization |