Parameter identification of structural dynamic models by inverse statistical analysis: 10 Tabellen
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | German |
| Veröffentlicht: |
Köln
DLR
2012
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Forschungsbericht / Deutsches Zentrum für Luft- und Raumfahrt
2012,18 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | XXXII, 123 S. Ill., graph. Darst. |
Internformat
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Datensatz im Suchindex
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| adam_text | CONTENTS
ACKNOWLEDGEMENTS VII
ABSTRACT IX
ZUSAMMENFASSUNG XI
KURZFASSUNG XIII
TABLE OF CONTENTS XXI
LIST OF FIGURES XXV
LIST OF TABLES XXVII
LIST OF SYMBOLS XXIX
1 INTRODUCTION 1
1.1 MOTIVATION AND OBJECTIVES 1
1.2 ORGANISATION OF THE TEXT 2
1.3 RESEARCH CONTRIBUTIONS AND ORIGINALITIES 3
2 LITERATURE REVIEW 5
2.1 FINITE ELEMENT AND STOCHASTIC SIMULATION METHODS 5
2.2 COMPUTATIONAL MODEL UPDATING 7
2.3 UNCERTAINTY IN EXPERIMENTAL MODAL DATA 8
2.4 STOCHASTIC MODEL UPDATING 9
3 BASIC THEORETICAL BACKGROUND FOR EMA AND STATISTICS 11
3.1 EXPERIMENTAL MODAL ANALYSIS (EMA) 11
3.1.1 PHASE RESONANCE METHOD (PRM) 12
3.1.2 PHASE SEPARATION METHOD (PSM) 15
3.1.3 FULLY AUTOMATED MODAL PARAMETER SELECTION (FAMPS) 19
3.2 QUALITY CRITERIA FOR MODAL PARAMETERS 20
3.2.1 MODAL PHASE COLLINEARITY (MPC) 22
3.2.2 MEAN PHASE DEVIATION (MPD) 23
3.2.3 MODE INDICATOR FUNCTION (MIF) 23
XIX
HTTP://D-NB.INFO/1027637698
XX
KURZFASSUNG
3.3 CORRELATION OF MODAL PROPERTIES 24
3.3.1 MODAL SCALE FACTOR (MSF) 24
3.3.2 MODAL ASSURANCE CRITERION (MAC) 25
3.3.3 REALISATION OF COMPLEX MODE SHAPES 26
3.3.4 EXAMPLES FOR CORRELATION OF MODAL PROPERTIES 26
3.4 ERRORS, PROBABILITY AND STATISTICS 27
3.4.1 PROBABILITY DENSITY AND DISTRIBUTION FUNCTIONS 29
3.4.2 RANDOM VARIABLES 31
3.4.3 SAMPLING TECHNIQUES FOR MONTE CARLO SIMULATION 33
4 UNCERTAINTY AND VARIABILITY IN EXPERIMENTAL MODAL DATA 37
4.1 INTRODUCTION 37
4.2 CASE STUDY 1: SOURCES OF VARIABILITY ON MODAL PARAMETERS 41
4.2.1 EXPERIMENTAL SET-UP FOR CASE STUDY 42
4.2.2 QUANTIFICATION AND CLASSIFICATION OF TEST SCATTER SOURCES 46
4.3 CASE STUDY 2: REPEATED MODAL SURVEY TEST BY REASSEMBLING THE JOINTS
... 49
4.3.1 DATA ANALYSIS FOR VARIABILITY FROM REASSEMBLING 49
4.3.2 EIGENFREQUENCY VARIABILITY FROM REASSEMBLING 51
4.3.3 MODE SHAPE VARIABILITY FROM REASSEMBLING 52
5 STOCHASTIC MODEL UPDATING 57
5.1 INTRODUCTION 57
5.2 PARAMETER ADJUSTMENT 58
5.2.1 MEAN PARAMETER ADJUSTMENT 58
5.2.2 PARAMETER COVARIANCE MATRIX ADJUSTMENT 60
5.2.3 ERROR LOCALISATION 62
5.3 SENSITIVITY ANALYSIS AND RESIDUALS 62
5.3.1 CHOICE OF RESIDUALS 63
5.3.2 EIGENVALUE AND MODE SHAPE SENSITIVITY 64
5.3.3 COMBINATION OF DIFFERENT RESIDUALS 66
5.4 IMPLEMENTATION OF UPDATING ALGORITHM 67
5.4.1 WEIGHTED RESIDUAL 68
5.4.2 ITERATION BOUNDS 68
5.4.3 SAMPLE SIZE FOR MONTE CARLO SIMULATION 70
5.4.4 STOP CRITERIA 70
KURZFASSUNG
X
XI
6 TEST CASES FOR VALIDATION OF SMU ALGORITHM 73
6.1 INTRODUCTION 73
6.2 TEST CASE 1: NUMERICAL 3-DOF EXAMPLE 73
6.2.1 TEST CASE 1.1: CONSISTENT PARAMETER SET 75
6.2.2 TEST CASE 1.2: INCONSISTENT PARAMETER SET 77
6.2.3 DISCUSSION OF TEST CASE 1 78
6.2.4 COMPARISON TO OTHER SMU METHODS FOR TEST CASE 1 80
6.3 TEST CASE 2: NUMERICAL CASE STUDY FOR AIRMOD MODEL 81
6.3.1 AIRMOD FINITE ELEMENT MODEL FOR NUMERICAL CASE STUDY 82
6.3.2 PARAMETER SELECTION AND ADJUSTMENT 83
6.3.3 TEST CASE 2.1: CONSISTENT PARAMETER SET 83
6.3.4 TEST CASE 2.2: INCONSISTENT PARAMETER SET 85
6.3.5 DISCUSSION OF TEST CASE 2 88
6.4 TEST CASE 3: REAL TEST DATA FROM AIRMOD AND A SHELL MODEL 90
6.4.1 AIRMOD FINITE ELEMENT MODEL FOR REAL TEST CASE (SHELL-MODEL) ...
90
6.4.2 PARAMETER SELECTION AND RESIDUAL DEFINITION FOR UPDATING 92
6.4.3 DISCUSSION OF TEST CASE 3 94
6.5 TEST CASE 4: REAL TEST DATA FROM AIRMOD AND A SOLID MODEL 96
6.5.1 AIRMOD FINITE ELEMENT MODEL FOR REAL TEST CASE (SOLID-MODEL) ...
96
6.5.2 PARAMETER SELECTION AND RESIDUAL DEFINITION FOR UPDATING 99
6.5.3 DISCUSSION OF TEST CASE 4 100
6.6 DISCUSSION OF VALIDATION STRATEGY 105
7 CONCLUSIONS AND OUTLOOK 109
7.1 SUMMARY 109
7.2 FUTURE WORK 111
|
| any_adam_object | 1 |
| author | Govers, Yves |
| author_GND | (DE-588)1028920407 |
| author_facet | Govers, Yves |
| author_role | aut |
| author_sort | Govers, Yves |
| author_variant | y g yg |
| building | Verbundindex |
| bvnumber | BV040554621 |
| ctrlnum | (OCoLC)820418068 (DE-599)BVBBV040554621 |
| edition | Als Ms. gedr. |
| format | Thesis Book |
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| genre_facet | Hochschulschrift |
| id | DE-604.BV040554621 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:26:22Z |
| institution | BVB |
| language | German |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-025399380 |
| oclc_num | 820418068 |
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| owner_facet | DE-83 DE-210 DE-706 |
| physical | XXXII, 123 S. Ill., graph. Darst. |
| publishDate | 2012 |
| publishDateSearch | 2012 |
| publishDateSort | 2012 |
| publisher | DLR |
| record_format | marc |
| series2 | Forschungsbericht / Deutsches Zentrum für Luft- und Raumfahrt |
| spelling | Govers, Yves Verfasser (DE-588)1028920407 aut Parameter identification of structural dynamic models by inverse statistical analysis 10 Tabellen Yves Govers Als Ms. gedr. Köln DLR 2012 XXXII, 123 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Forschungsbericht / Deutsches Zentrum für Luft- und Raumfahrt 2012,18 Zugl.: Kassel, Univ., Diss., 2012 Modellierung (DE-588)4170297-9 gnd rswk-swf Stochastisches Modell (DE-588)4057633-4 gnd rswk-swf Parameteridentifikation (DE-588)4210689-8 gnd rswk-swf Strukturdynamik (DE-588)4226174-0 gnd rswk-swf Aeroelastizität (DE-588)4202469-9 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Aeroelastizität (DE-588)4202469-9 s Strukturdynamik (DE-588)4226174-0 s Modellierung (DE-588)4170297-9 s Parameteridentifikation (DE-588)4210689-8 s Stochastisches Modell (DE-588)4057633-4 s DE-604 Deutsches Zentrum für Luft- und Raumfahrt Forschungsbericht 2012,18 (DE-604)BV011758990 2012,18 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025399380&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Govers, Yves Parameter identification of structural dynamic models by inverse statistical analysis 10 Tabellen Modellierung (DE-588)4170297-9 gnd Stochastisches Modell (DE-588)4057633-4 gnd Parameteridentifikation (DE-588)4210689-8 gnd Strukturdynamik (DE-588)4226174-0 gnd Aeroelastizität (DE-588)4202469-9 gnd |
| subject_GND | (DE-588)4170297-9 (DE-588)4057633-4 (DE-588)4210689-8 (DE-588)4226174-0 (DE-588)4202469-9 (DE-588)4113937-9 |
| title | Parameter identification of structural dynamic models by inverse statistical analysis 10 Tabellen |
| title_auth | Parameter identification of structural dynamic models by inverse statistical analysis 10 Tabellen |
| title_exact_search | Parameter identification of structural dynamic models by inverse statistical analysis 10 Tabellen |
| title_full | Parameter identification of structural dynamic models by inverse statistical analysis 10 Tabellen Yves Govers |
| title_fullStr | Parameter identification of structural dynamic models by inverse statistical analysis 10 Tabellen Yves Govers |
| title_full_unstemmed | Parameter identification of structural dynamic models by inverse statistical analysis 10 Tabellen Yves Govers |
| title_short | Parameter identification of structural dynamic models by inverse statistical analysis |
| title_sort | parameter identification of structural dynamic models by inverse statistical analysis 10 tabellen |
| title_sub | 10 Tabellen |
| topic | Modellierung (DE-588)4170297-9 gnd Stochastisches Modell (DE-588)4057633-4 gnd Parameteridentifikation (DE-588)4210689-8 gnd Strukturdynamik (DE-588)4226174-0 gnd Aeroelastizität (DE-588)4202469-9 gnd |
| topic_facet | Modellierung Stochastisches Modell Parameteridentifikation Strukturdynamik Aeroelastizität Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025399380&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV011758990 |
| work_keys_str_mv | AT goversyves parameteridentificationofstructuraldynamicmodelsbyinversestatisticalanalysis10tabellen |