Computational analysis of fretting fatigue:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Düsseldorf
VDI-Verl.
2009
|
| Ausgabe: | Als Ms. gedr. |
| Schriftenreihe: | Fortschrittberichte VDI
Reihe 18, Mechanik, Bruchmechanik ; 322 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zsfassung in dt. Sprache |
| Beschreibung: | XI, 114 S. Ill., graph. Darst. 21 cm |
| ISBN: | 9783183322183 |
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Datensatz im Suchindex
| _version_ | 1804139925677801472 |
|---|---|
| adam_text | Titel: Computational analysis of fretting fatigue
Autor: Xu, Yangjian
Jahr: 2009
Contents
Abstract VIII
Kurzfassung X
1 Introduction 1
1.1 Background of fretting fatigue 1
1.2 Assessment of fretting fatigue 3
1.2.1 Stress-based models 3
1.2.2 Notch analogies 3
1.2.3 Short crack arrest 4
1.2.4 Crack analogies 4
1.3 Motivations of the dissertation 5
1.3.1 Analysis of singular stress in fretting fatigue 5
1.3.2 Simulation of fatigue crack propagation 6
1.4 Outline of the dissertation 7
2 Stress fields of fretting fatigue 8
2.1 Introduction 8
2.2 Analytical considerations 10
2.2.1 Theoretical basis 10
2.2.2 Variable-separable solutions of singular stress fields 11
2.2.3 Governing equations of singular stress fields 12
2.2.4 Boundary conditions for different types of problems 13
2.2.5 Numerical investigations based on asymptotic analysis 14
2.3 Computational analysis based on FEM 16
2.3.1 Stress investigation on rounded complete contact 16
2.3.2 Stress characterization in rounded incomplete contact 21
2.3.3 Dominance of K factors 23
2.3.4 Assessment of fretting fatigue by using K factors 26
2.3.5 Effects of dissimilar material properties 27
2.4 Concluding remarks 28
3 Stress singularity around a sharp pad corner 30
3.1 Introduction 30
3.2 Analytical considerations of stress singularity 31
3.3 Computations of contact pairs with sharp pad 33
3.3.1 Effects of shape angles on singularity 33
3.3.2 Effects of friction coefficients on singularity 35
3.3.3 Effects of loading configurations on singularity 37
3.4 Applicability to a rounded contact pair 38
3.5 Concluding remarks 4*
4 Computational methods and models for mixed-mode crack 42
4.1 Introduction • • ¦ ¦ 42
4.2 Extended finite element methods 43
4.2.1 The method of partition of unity 43
4.2.2 Governing equations 44
4.2.3 Discretization and linearization 47
4.3 Cohesive zone models 48
4.3.1 Cohesive zone models for quasi-brittle materials 49
4.3.2 Cohesive zone models for ductile materials 52
4.3.3 Criteria of crack growth 56
4.4 Virtual crack closure technique for cohesive zone models 57
4.5 Implementations into ABAQUS 58
4.5.1 Stiffness matrix assembly and integration scheme 59
4.5.2 Combination of the CZM with the XFEM 61
4.5.3 Data management 62
4.5.4 Visualization of XFEM results 62
4.6 Patch tests 63
4.6.1 Definition of patches 63
4.6.2 Four kinds of patch tests 64
4.7 Concluding remarks 67
5 Computational analysis of mixed-mode crack propagation 69
5.1 Introduction 69
5.2 Simulations of a three-point bending specimen 70
5.2.1 Mode I cracking under monotonic loading 70
5.2.2 Mode I cracking under cyclic loading 70
5.3 Simulations of a single-edge notched beam 73
5.3.1 Failure under monotonic mixed-mode loading 73
5.3.2 Fatigue prediction under cyclic mixed-mode loading 75
5.4 Predictions on multi-crack propagation in notched panel 79
5.5 The, modified boundary layer formulation 81
5.5.1 Crack kinking angles 83
5.5.2 Fatigue crack propagation rates 88
5.6 Numerical investigations on CTS-specimen 91
5.6.1 Effects of different parameters in CCZM 92
5.6.2 Prediction of entire fatigue crack propagation rate curve 94
5.7 Concluding remarks 95
6 Simulations of fretting fatigue 97
6.1 Introduction 97
6.2 FEM analysis 98
6.2.1 Fretting fatigue specimen 98
6.2.2 Investigations on fretting fatigue characterizations 99
6.3 Predictions of fretting fatigue crack initiation and propagation 100
6.3.1 Criteria for crack direction 101
6.3.2 Simulation of multi-cracking 102
6.4 Concluding remarks 105
7 Conclusions and outlooks 106
Bibliography 109
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| any_adam_object | 1 |
| author | Xu, Yangjian |
| author_facet | Xu, Yangjian |
| author_role | aut |
| author_sort | Xu, Yangjian |
| author_variant | y x yx |
| building | Verbundindex |
| bvnumber | BV035716687 |
| classification_rvk | ZM 3200 |
| ctrlnum | (OCoLC)444901894 (DE-599)BVBBV035716687 |
| dewey-full | 620.11260151825 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 620 - Engineering and allied operations |
| dewey-raw | 620.11260151825 |
| dewey-search | 620.11260151825 |
| dewey-sort | 3620.11260151825 |
| dewey-tens | 620 - Engineering and allied operations |
| discipline | Werkstoffwissenschaften / Fertigungstechnik |
| edition | Als Ms. gedr. |
| format | Thesis Book |
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| id | DE-604.BV035716687 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T21:51:50Z |
| institution | BVB |
| isbn | 9783183322183 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-017993531 |
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| owner_facet | DE-91G DE-BY-TUM DE-210 DE-83 |
| physical | XI, 114 S. Ill., graph. Darst. 21 cm |
| publishDate | 2009 |
| publishDateSearch | 2009 |
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| publisher | VDI-Verl. |
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| series | Fortschrittberichte VDI |
| series2 | Fortschrittberichte VDI : Reihe 18, Mechanik, Bruchmechanik |
| spelling | Xu, Yangjian Verfasser aut Computational analysis of fretting fatigue Yangjian Xu Als Ms. gedr. Düsseldorf VDI-Verl. 2009 XI, 114 S. Ill., graph. Darst. 21 cm txt rdacontent n rdamedia nc rdacarrier Fortschrittberichte VDI : Reihe 18, Mechanik, Bruchmechanik 322 Zsfassung in dt. Sprache Zugl.: Wuppertal, Univ., Diss., 2009 Konstruktionselement - Reibermüdung - Bruchmechanik - Finite-Elemente-Methode Konstruktionselement (DE-588)4165100-5 gnd rswk-swf Reibermüdung (DE-588)4204010-3 gnd rswk-swf Finite-Elemente-Methode (DE-588)4017233-8 gnd rswk-swf Bruchmechanik (DE-588)4112837-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Konstruktionselement (DE-588)4165100-5 s Reibermüdung (DE-588)4204010-3 s Bruchmechanik (DE-588)4112837-0 s Finite-Elemente-Methode (DE-588)4017233-8 s DE-604 Fortschrittberichte VDI Reihe 18, Mechanik, Bruchmechanik ; 322 (DE-604)BV001902156 322 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=017993531&sequence=000004&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Xu, Yangjian Computational analysis of fretting fatigue Fortschrittberichte VDI Konstruktionselement - Reibermüdung - Bruchmechanik - Finite-Elemente-Methode Konstruktionselement (DE-588)4165100-5 gnd Reibermüdung (DE-588)4204010-3 gnd Finite-Elemente-Methode (DE-588)4017233-8 gnd Bruchmechanik (DE-588)4112837-0 gnd |
| subject_GND | (DE-588)4165100-5 (DE-588)4204010-3 (DE-588)4017233-8 (DE-588)4112837-0 (DE-588)4113937-9 |
| title | Computational analysis of fretting fatigue |
| title_auth | Computational analysis of fretting fatigue |
| title_exact_search | Computational analysis of fretting fatigue |
| title_full | Computational analysis of fretting fatigue Yangjian Xu |
| title_fullStr | Computational analysis of fretting fatigue Yangjian Xu |
| title_full_unstemmed | Computational analysis of fretting fatigue Yangjian Xu |
| title_short | Computational analysis of fretting fatigue |
| title_sort | computational analysis of fretting fatigue |
| topic | Konstruktionselement - Reibermüdung - Bruchmechanik - Finite-Elemente-Methode Konstruktionselement (DE-588)4165100-5 gnd Reibermüdung (DE-588)4204010-3 gnd Finite-Elemente-Methode (DE-588)4017233-8 gnd Bruchmechanik (DE-588)4112837-0 gnd |
| topic_facet | Konstruktionselement - Reibermüdung - Bruchmechanik - Finite-Elemente-Methode Konstruktionselement Reibermüdung Finite-Elemente-Methode Bruchmechanik Hochschulschrift |
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