Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Düsseldorf
VDI-Verl.
2006
|
| Edition: | Als Ms. gedr. |
| Series: | Fortschrittberichte VDI
Reihe 18, Mechanik, Bruchmechanik ; 308 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | XV, 116 S. Ill., graph. Darst. |
| ISBN: | 3183308185 |
Staff View
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| 245 | 1 | 0 | |a Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects |c Mathias H. Luxner |
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Record in the Search Index
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| adam_text | Contents
Nomenclature ix
Abstract xi
Kurzfassung xiii
1 Introduction 1
1.1 Cellular Materials in Nature and Engineering 1
1.2 Modeling and Simulation of Cellular Materials 3
2 FE Modeling and Linear Elastic Investigations 6
2.1 Introduction 6
2.2 Finite Element Models 9
2.2.1 Beam Element Models 9
2.2.2 Continuum Element Models 10
2.3 Structural Models 11
2.3.1 Infinite Medium Models 11
2.3.2 Finite Medium Models 12
2.4 Rapid Prototyping and Experiments 13
2.5 Results and Discussion 14
V
2.5.1 Density Dependence of the Young s Modulus 15
2.5.2 Directiona! Dependence of the Young s Modulus 16
2.5.3 Comparison of FEM Modeling Techniques 18
2.5.4 Influence of the Specimen Size 21
2.5.5 Comparison to Experimental Results 21
2.6 Conclusions 22
3 Nonlinear Behavior of Regulär and Disordered Cellular Structures 24
3.1 Introduction 24
3.2 Methods 26
3.2.1 Bulk Material 26
3.2.2 Structural Models 26
3.2.3 Finite Element Modeling 29
3.2.4 Localization of Deformation 29
3.2.5 Overall Energy Considerations 31
3.3 Results and Discussion 32
3.3.1 Elastic Anisotropy 32
3.3.2 Nonlinear Behavior Deformation Localization 34
3.3.3 Overall Energy Considerations 49
3.3.4 Influence of the Relative Density 52
3.4 Conclusions 52
4 Influence of Sample Size and Shape * 7
4.1 Introduction 57
4.2 Methods 58
4.2.1 Numerical Models 58
4.3 Results and DLscussion 58
4.3.1 Overall Stress Strato Behavior 58
4.3.2 Localization of Deformation 61
4.4 Conclusions 66
5 Reinforced Simple Cubic Structures 67
5.1 Introduction 67
5.2 Methods 68
5.2.1 Structures 68
5.2.2 Numerical Models 70
5.2.3 Rapid Prototyping and Experiments 72
5.3 Results and DLscussion 72
5.3.1 Elastic Anisotropy 72
5.3.2 Nonlinear Behavior 75
5.3.3 Experimental Results 78
5.4 Conclusions 79
6 Inf luence of Defects 82
6.1 Introduction 82
6.2 Methods 84
6.2.1 Investigated Structures 84
6.2.2 Finite Element Models 86
6.3 Results and DLscussion 86
6.3.1 Overall Uniaxial Linear Stiffness 86
6.3.2 Nonlinear Overall Behavior 87
6.4 Conclusions 100
•vK
7 Summary 101
A Program Descriptions 104
A.l Generation of Open Cell Structures 104
A.2 Generation of Rapid Prototyping Input 109
Bibliography 111
|
| adam_txt |
Contents
Nomenclature ix
Abstract xi
Kurzfassung xiii
1 Introduction 1
1.1 Cellular Materials in Nature and Engineering 1
1.2 Modeling and Simulation of Cellular Materials 3
2 FE Modeling and Linear Elastic Investigations 6
2.1 Introduction 6
2.2 Finite Element Models 9
2.2.1 Beam Element Models 9
2.2.2 Continuum Element Models 10
2.3 Structural Models 11
2.3.1 Infinite Medium Models 11
2.3.2 Finite Medium Models 12
2.4 Rapid Prototyping and Experiments 13
2.5 Results and Discussion 14
V
2.5.1 Density Dependence of the Young's Modulus 15
2.5.2 Directiona! Dependence of the Young's Modulus 16
2.5.3 Comparison of FEM Modeling Techniques 18
2.5.4 Influence of the Specimen Size 21
2.5.5 Comparison to Experimental Results 21
2.6 Conclusions 22
3 Nonlinear Behavior of Regulär and Disordered Cellular Structures 24
3.1 Introduction 24
3.2 Methods 26
3.2.1 Bulk Material 26
3.2.2 Structural Models 26
3.2.3 Finite Element Modeling 29
3.2.4 Localization of Deformation 29
3.2.5 Overall Energy Considerations 31
3.3 Results and Discussion 32
3.3.1 Elastic Anisotropy 32
3.3.2 Nonlinear Behavior Deformation Localization 34
3.3.3 Overall Energy Considerations 49
3.3.4 Influence of the Relative Density 52
3.4 Conclusions 52
4 Influence of Sample Size and Shape * 7
4.1 Introduction 57
4.2 Methods 58
4.2.1 Numerical Models 58
4.3 Results and DLscussion 58
4.3.1 Overall Stress Strato Behavior 58
4.3.2 Localization of Deformation 61
4.4 Conclusions 66
5 Reinforced Simple Cubic Structures 67
5.1 Introduction 67
5.2 Methods 68
5.2.1 Structures 68
5.2.2 Numerical Models 70
5.2.3 Rapid Prototyping and Experiments 72
5.3 Results and DLscussion 72
5.3.1 Elastic Anisotropy 72
5.3.2 Nonlinear Behavior 75
5.3.3 Experimental Results 78
5.4 Conclusions 79
6 Inf luence of Defects 82
6.1 Introduction 82
6.2 Methods 84
6.2.1 Investigated Structures 84
6.2.2 Finite Element Models 86
6.3 Results and DLscussion 86
6.3.1 Overall Uniaxial Linear Stiffness 86
6.3.2 Nonlinear Overall Behavior 87
6.4 Conclusions 100
•vK
7 Summary 101
A Program Descriptions 104
A.l Generation of Open Cell Structures 104
A.2 Generation of Rapid Prototyping Input 109
Bibliography 111 |
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| edition | Als Ms. gedr. |
| format | Thesis Book |
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| id | DE-604.BV021842976 |
| illustrated | Illustrated |
| index_date | 2024-07-02T16:00:57Z |
| indexdate | 2024-07-09T20:45:54Z |
| institution | BVB |
| isbn | 3183308185 |
| language | English |
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| physical | XV, 116 S. Ill., graph. Darst. |
| publishDate | 2006 |
| publishDateSearch | 2006 |
| publishDateSort | 2006 |
| publisher | VDI-Verl. |
| record_format | marc |
| series | Fortschrittberichte VDI |
| series2 | Fortschrittberichte VDI : Reihe 18, Mechanik, Bruchmechanik |
| spelling | Luxner, Mathias H. Verfasser aut Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects Mathias H. Luxner Als Ms. gedr. Düsseldorf VDI-Verl. 2006 XV, 116 S. Ill., graph. Darst. txt rdacontent n rdamedia nc rdacarrier Fortschrittberichte VDI : Reihe 18, Mechanik, Bruchmechanik 308 Zugl.: Wien, Techn. Univ., Diss. Mikrostruktur (DE-588)4131028-7 gnd rswk-swf Mechanische Eigenschaft (DE-588)4217961-0 gnd rswk-swf Vielzellwerkstoff (DE-588)4499955-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Vielzellwerkstoff (DE-588)4499955-0 s Mikrostruktur (DE-588)4131028-7 s Mechanische Eigenschaft (DE-588)4217961-0 s DE-604 Fortschrittberichte VDI Reihe 18, Mechanik, Bruchmechanik ; 308 (DE-604)BV001902156 308 HBZ Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=015054663&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Luxner, Mathias H. Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects Fortschrittberichte VDI Mikrostruktur (DE-588)4131028-7 gnd Mechanische Eigenschaft (DE-588)4217961-0 gnd Vielzellwerkstoff (DE-588)4499955-0 gnd |
| subject_GND | (DE-588)4131028-7 (DE-588)4217961-0 (DE-588)4499955-0 (DE-588)4113937-9 |
| title | Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects |
| title_auth | Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects |
| title_exact_search | Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects |
| title_exact_search_txtP | Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects |
| title_full | Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects Mathias H. Luxner |
| title_fullStr | Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects Mathias H. Luxner |
| title_full_unstemmed | Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects Mathias H. Luxner |
| title_short | Modeling and simulation of highly porous open cell structures - elasto-plasticity and localization versus disorder and defects |
| title_sort | modeling and simulation of highly porous open cell structures elasto plasticity and localization versus disorder and defects |
| topic | Mikrostruktur (DE-588)4131028-7 gnd Mechanische Eigenschaft (DE-588)4217961-0 gnd Vielzellwerkstoff (DE-588)4499955-0 gnd |
| topic_facet | Mikrostruktur Mechanische Eigenschaft Vielzellwerkstoff Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=015054663&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV001902156 |
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