Vibro-acoustic sources in lightweight buildings:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Berlin
Logos-Verl.
2010
|
| Schlagworte: | |
| Online-Zugang: | Inhaltstext Inhaltsverzeichnis |
| Beschreibung: | XX, 300 S. Ill., graph. Darst. 21 cm |
| ISBN: | 9783832526986 |
Internformat
MARC
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Datensatz im Suchindex
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IMAGE 1
CONTENTS
ABSTRACT 3
ACKNOWLEDGEMENTS 7
CONTENTS 9
LIST OF SYMBOLS 16
1 INTRODUCTION 1
1.1 BACKGROUND OF THE STUDY 1
1.2 STATEMENT OF THE PROBLEM 3
1.3 AIMS OF THE STUDY 5
1.4 THESIS OVERVIEW 6
1.5 REFERENCES 9
2 BACKGROUND THEORY 11
2.1 INTRODUCTION 11
2.1.1 MOBILITY 12
2.1.2 FREE VELOCITY / BLOCKED FORCE 14
2.2 STRUCTURE-BORNE SOUND POWER 15
2.3 METHODS OF SOURCE CHARACTERISATION 20
2.3.1 STANDARD BUILDING SITUATION 21
IX
BIBLIOGRAFISCHE INFORMATIONEN HTTP://D-NB.INFO/1008402079
DIGITALISIERT DURCH
IMAGE 2
2.3.2 FREE VELOCITY 22
2.3.3 EQUIVALENT FORCE 23
2.3.4 SOURCE DESCRIPTOR AND COUPLING FUNCTION 24
2.4 RECEPTION PLATE 29
2.4.1 PERFORATED THIN PLATE 30
2.4.2 CONCRETE RECEPTION PLATE 31
2.5 SUMMARY 32
2.6 REFERENCES 33
3 PREDICTION OF SOUND PRESSURE LEVEL IN
BUILDINGS 41
3.1 INTRODUCTION 41
3.2 PREDICTION MODELS 42
3.2.1 EN 12354 - PART 1 AND 2 42
3.2.2 EN 12354-PART 5 44
3.3 RECEPTION PLATE TEST RIG 45
3.3.1 LOSS FACTOR 46
3.3.2 VELOCITY LEVEL DIFFERENCE 47
3.3.3 SOURCE-RECEIVER MOBILITY MISMATCH 48
3.3.4 MODAL BEHAVIOUR 49
3.3.5 VALIDATION 50
3.4 TRANSFORMATION OF LABORATORY DATA FOR PREDICTION 51
3.5 CASE STUDY 53
3.5.1 INTRODUCTION 53
IMAGE 3
3.5.2 SOURCE DESCRIPTION 53
3.5.3 SOURCE MOBILITY 54
3.5.4 RECEPTION PLATE POWER 55
3.5.5 HORIZONTAL AND DIAGONAL TRANSMISSION 56
3.6 SUMMARY 60
3.7 REFERENCES 62
4 MOBILITY OF LIGHTWEIGHT BUILDING STRUCTURES73
4.1 INTRODUCTION 73
4.2 MEASUREMENT PROCEDURE 74
4.3 MEASURED STRUCTURES 76
4.4 SOURCE - RECEIVER MOBILITY RATIO 77
4.4.1 RECEIVER MOBILITY 78
4.4.2 SOURCE MOBILITY 80
4.4.3 SOURCE-RECEIVER RATIO IN LIGHTWEIGHT BUILDINGS 80
4.5 SUMMARY 82
4.6 REFERENCES 84
5 TIMBER JOIST FLOOR MOBILITY 95
5.1 INTRODUCTION 95
5.2 FLOOR CONSTRUCTION 96
5.3 DYNAMIC BEHAVIOUR 97
5.3.1 GENERAL CONSIDERATIONS 97
5.3.2 SPATIAL VARIATION OF POINT MOBILITY 99
5.3.3 MASTER MOBILITY CURVE 103
XI
IMAGE 4
5.3.4 COMPONENTS OF EXCITATION 104
5.3.5 MOBILITY CURVE ANALYSIS 105
5.3.6 EXPERIMENTAL MODAL ANALYSIS 107
5.4 LOSS FACTOR 109
5.5 SUMMARY 110
5.6 REFERENCES 112
6 MOMENT EXCITATION 125
6.1 INTRODUCTION 125
6.2 GENERAL CONSIDERATIONS 126
6.3 SOURCE COMPONENTS 127
6.3.1 SOURCE MOBILITIES 127
6.3.2 SOURCE FREE VELOCITIES 129
6.3.3 SOURCE DESCRIPTORS 131
6.4 RECEIVER COMPONENTS 132
6.4.1 RECEIVER MOMENT MOBILITIES 133
6.5 COUPLING FUNCTIONS 136
6.6 COMPONENT POWER 138
6.6.1 SPATIAL VARIATION IN COMPONENT POWERS 140
6.7 SUMMARY 141
6.8 REFERENCES 143
7 PREDICTED MOBILITY OF RIBBED PLATES 161
7.1 INTRODUCTION 161
7.2 ANALYTICAL MODELS 162
XII
IMAGE 5
7.2.1 SEMI-MODAL FINITE PLATE APPROACH 163
7.2.2 TIMBER JOIST FLOOR 164
7.2.3 DISCUSSION 166
7.3 REACTIVE FORCE MODEL 168
7.3.1 INTRODUCTION 168
7.3.2 THEORY 169
7.4 CASE STUDY 172
7.4.1 POINT MOBILITY 173
7.4.2 TRANSFER MOBILITY 174
7.5 UNCERTAINTY IN PREDICTION 175
7.6 SUMMARY 176
7.7 REFERENCES 178
8 SINGLE EQUIVALENT EXCITATION 191
8.1 INTRODUCTION 191
8.2 EFFECTIVE MOBILITIY 192
8.2.1 ASSUMED FORCE DISTRIBUTIONS 196
8.2.2 EFFECTIVE RECEIVER MOBILITY 200
8.2.3 EFFECTIVE SOURCE MOBILITY 204
8.3 SINGLE EQUIVALENT EXCITATION 205
8.3.1 SINGLE EQUIVALENT MOBILITY 207
8.3.2 SINGLE EQUIVALENT RECEIVER MOBILITY 208
8.3.3 SINGLE EQUIVALENT SOURCE MOBILITY 209
8.3.4 SOURCE-RECEIVER MOBILITY RATIO 210
8.4 SUMMARY 211
XIII
IMAGE 6
8.5 REFERENCES 213
9 CASE STUDIES 227
9.1 INTRODUCTION 227
9.2 RECEIVER STRUCTURE 228
9.3 SOURCES 228
9.3.1 FAN UNIT 229
9.3.2 WHIRLPOOL BATH 229
9.4 POWER CALCULATION 230
9.5 FAN UNIT ON TIMBER JOIST FLOOR 230
9.6 WHIRLPOOL BATH ON TIMBER JOIST FLOOR 234
9.7 SPATIAL VARIATION IN INSTALLED POWER 238
9.7.1 EXACT POWER 239
9.7.2 APPROXIMATE POWER 240
9.7.3 COMPARISON 241
9.7.4 FURTHER SIMPLIFICATIONS 244
9.8 SUMMARY 245
9.9 REFERENCES 247
10 2-STAGE RECEPTION PLATE METHOD 265
10.1 INTRODUCTION 265
10.2 THEORY 266
10.3 PREDICTED INSTALLED POWER 270
10.4 CASE STUDY 273
10.4.1 2-STAGE SOURCE DATA AND APPROXIMATE RECEIVER DATA 274
XIV
IMAGE 7
10.4.2 PREDICTED INSTALLED POWER 276
10.5 FLOWCHART 278
10.5.1 TWO-STAGE RECEPTION PLATE METHOD 278
10.5.2 INSTALLED POWER 280
10.6 SUMMARY 281
10.7 REFERENCES 282
11 CONCLUDING REMARKS 293
11.1 INTRODUCTION 293
11.2 CONCLUSIONS 295
11.3 SUGGESTIONS FOR FURTHER WORK 298 |
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| discipline | Bauingenieurwesen |
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| spellingShingle | Mayr, Andreas Robert Vibro-acoustic sources in lightweight buildings Leichtbau (DE-588)4035165-8 gnd Schwingungsakustik (DE-588)7658958-4 gnd Bauteil (DE-588)4144198-9 gnd |
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| title | Vibro-acoustic sources in lightweight buildings |
| title_auth | Vibro-acoustic sources in lightweight buildings |
| title_exact_search | Vibro-acoustic sources in lightweight buildings |
| title_full | Vibro-acoustic sources in lightweight buildings by Andreas Robert Mayr |
| title_fullStr | Vibro-acoustic sources in lightweight buildings by Andreas Robert Mayr |
| title_full_unstemmed | Vibro-acoustic sources in lightweight buildings by Andreas Robert Mayr |
| title_short | Vibro-acoustic sources in lightweight buildings |
| title_sort | vibro acoustic sources in lightweight buildings |
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| topic_facet | Leichtbau Schwingungsakustik Bauteil Hochschulschrift |
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