Computational homogenization of short fiber reinforced thermoplastic materials:
Saved in:
| Main Author: | |
|---|---|
| Format: | Thesis Book |
| Language: | English |
| Published: |
Kaiserslautern
Techn. Univ., Lehrstuhl für Techn. Mechanik
2012
|
| Series: | Forschungsbericht / Technische Universität Kaiserslautern, Lehrstuhl für Technische Mechanik
5 |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Physical Description: | VI, 148 S. graph. Darst. |
| ISBN: | 9783942695053 |
Staff View
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| 490 | 1 | |a Forschungsbericht / Technische Universität Kaiserslautern, Lehrstuhl für Technische Mechanik |v 5 | |
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Record in the Search Index
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| adam_text | IMAGE 1
CONTENTS
1 INTRODUCTION 1
1.1 MOTIVATION 1
1.2 CURRENT STATE OF RESEARCH 2
1.3 GOAL AND OUTLINE 4
2 SHORT-FIBER REINFORCED THERMOPLASTIC MATERIALS 7
2.1 PRELIMINARY REMARKS 7
2.2 MATRIX MATERIAL: THERMOPLAST 7
2.3 FILLER MATERIAL: GLASS FIBER 10
2.4 COMPOSITE MATERIAL: SFRT 11
3 FUNDAMENTALS 15
3.1 KINEMATICS OF FINITE DEFORMATIONS 15
3.1.1 FUNDAMENTAL STRAIN MEASURES 16
3.1.2 RESTRICTION TO INFINITESIMAL DEFORMATIONS 18
3.2 STRESS STATE 19
3.3 BALANCE LAWS 2 0
3.4 CONSTITUTIVE EQUATIONS 22
3.4.1 ELASTICITY 2 3
3.4.2 ELASTO-PLASTICITY 2 6
3.4.3 DAMAGE 2 9
3.4.4 VISCOELASTICITY 3 0
3.5 FINITE ELEMENT METHOD 3 4
3.6 HOMOGENIZATION 3 8
3.6.1 REPRESENTATIVE VOLUME ELEMENT (RVE) CONCEPT 3 9
3.6.2 ANALYTICAL BOUNDS 4 4
3.6.3 COMPUTATIONAL APPROACH 4 6
3.7 FIBER ORIENTATION REPRESENTATION 5 3
4 MODELING APPROACH 57
4.1 PRELIMINARY REMARKS 5 7
4.2 CONSTITUTIVE MODELS FOR THE MICRO CONSTITUENTS 5 7
4.2.1 MATRIX MATERIAL MODEL: ELASTO-PLASTICITY WITH DAMAGE . . . . 5 8
V
HTTP://D-NB.INFO/1023584263
IMAGE 2
4.2.2 FIBER MATERIAL MODEL: LINEAR-ELASTICITY WITH DAMAGE . . . . 5 9
4.3 FIBER ORIENTATION DISTRIBUTION 62
4.3.1 FIBER ORIENTATION GENERATION 6 3
4.3.2 ACCURACY OF FIBER ORIENTATION TENSORS 6 7
4.4 RVE GENERATION 7 1
4.5 FINITE ELEMENT DISCRETIZATION 7 3
4.5.1 DISCRETIZATION METHOD 7 4
4.5.2 MINIMUM ELEMENT SIZE RATIO 75
4.5.3 MODIFIED FIBER PROPERTIES 7 7
5 EXPERIMENTAL MATERIAL CHARACTERIZATION 91
5.1 PRELIMINARY REMARKS 9 1
5.2 MATRIX MATERIAL 9 3
5.2.1 GENERAL MATERIAL BEHAVIOR UNDER UNIAXIAL TENSILE LOADING . . 9 3
5.2.2 PARAMETER IDENTIFICATION: TEST AND EVALUATION PROCEDURE . . 9 3
5.3 COMPOSITE MATERIAL 9 7
5.3.1 GENERAL MATERIAL BEHAVIOR UNDER UNIAXIAL TENSILE LOADING . . 9 7
5.3.2 FIBER ORIENTATION DISTRIBUTION 9 7
5.3.3 DAMAGE MECHANISMS 100
5.3.4 VARIATION OF FIBER VOLUME FRACTION, ORIENTATION AND T E M P E R A
T U R E L 0 4
6 NUMERICAL RESULTS 107
6.1 PRELIMINARY REMARKS 107
6.2 VALIDATION OF MATRIX MATERIAL MODEL 108
6.2.1 UNIAXIAL CYCLIC LOADING 108
6.2.2 BENDING 109
6.2.3 SHEAR LOADING 109
6.3 SINGLE FIBER MODEL COMPUTATIONS I L L
6.4 RVE COMPUTATIONS 116
6.4.1 PRELIMINARY INVESTIGATIONS 117
6.4.2 MATRIX DAMAGE 119
6.4.3 MATRIX DAMAGE COMBINED WITH FIBER FRACTURE 122
6.5 ANISOTROPIC DAMAGE CRITERION 124
6.5.1 MICRO AND MACRO SCALE DAMAGE CRITERIA 125
6.5.2 SIMULATION PROCEDURE 127
6.5.3 RVE BASED ANISOTROPIC DAMAGE CRITERION 128
7 SUMMARY AND OUTLOOK 133
7.1 SUMMARY 133
7.2 OUTLOOK 134
BIBLIOGRAPHY 138
VI
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| any_adam_object | 1 |
| author | Hoffmann, Sven 1982- |
| author_GND | (DE-588)1023747502 |
| author_facet | Hoffmann, Sven 1982- |
| author_role | aut |
| author_sort | Hoffmann, Sven 1982- |
| author_variant | s h sh |
| building | Verbundindex |
| bvnumber | BV040409980 |
| ctrlnum | (OCoLC)812263858 (DE-599)BVBBV040409980 |
| dewey-full | 668.494 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 668 - Technology of other organic products |
| dewey-raw | 668.494 |
| dewey-search | 668.494 |
| dewey-sort | 3668.494 |
| dewey-tens | 660 - Chemical engineering |
| discipline | Chemie / Pharmazie |
| format | Thesis Book |
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| id | DE-604.BV040409980 |
| illustrated | Illustrated |
| indexdate | 2024-07-10T00:23:26Z |
| institution | BVB |
| isbn | 9783942695053 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-025262961 |
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| owner_facet | DE-12 DE-29T DE-634 DE-706 DE-83 |
| physical | VI, 148 S. graph. Darst. |
| publishDate | 2012 |
| publishDateSearch | 2012 |
| publishDateSort | 2012 |
| publisher | Techn. Univ., Lehrstuhl für Techn. Mechanik |
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| series2 | Forschungsbericht / Technische Universität Kaiserslautern, Lehrstuhl für Technische Mechanik |
| spelling | Hoffmann, Sven 1982- Verfasser (DE-588)1023747502 aut Computational homogenization of short fiber reinforced thermoplastic materials Sven Hoffmann Kaiserslautern Techn. Univ., Lehrstuhl für Techn. Mechanik 2012 VI, 148 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Forschungsbericht / Technische Universität Kaiserslautern, Lehrstuhl für Technische Mechanik 5 Zugl.: Kaiserslautern, Techn. Univ., Diss., 2012 Thermoplast (DE-588)4059844-5 gnd rswk-swf Verstärkungswerkstoff (DE-588)4303769-0 gnd rswk-swf Virtualisierung (DE-588)4839180-3 gnd rswk-swf Kurzfaser (DE-588)4409106-0 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Thermoplast (DE-588)4059844-5 s Kurzfaser (DE-588)4409106-0 s Verstärkungswerkstoff (DE-588)4303769-0 s Virtualisierung (DE-588)4839180-3 s DE-604 Technische Universität Kaiserslautern, Lehrstuhl für Technische Mechanik Forschungsbericht 5 (DE-604)BV040409953 5 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025262961&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Hoffmann, Sven 1982- Computational homogenization of short fiber reinforced thermoplastic materials Thermoplast (DE-588)4059844-5 gnd Verstärkungswerkstoff (DE-588)4303769-0 gnd Virtualisierung (DE-588)4839180-3 gnd Kurzfaser (DE-588)4409106-0 gnd |
| subject_GND | (DE-588)4059844-5 (DE-588)4303769-0 (DE-588)4839180-3 (DE-588)4409106-0 (DE-588)4113937-9 |
| title | Computational homogenization of short fiber reinforced thermoplastic materials |
| title_auth | Computational homogenization of short fiber reinforced thermoplastic materials |
| title_exact_search | Computational homogenization of short fiber reinforced thermoplastic materials |
| title_full | Computational homogenization of short fiber reinforced thermoplastic materials Sven Hoffmann |
| title_fullStr | Computational homogenization of short fiber reinforced thermoplastic materials Sven Hoffmann |
| title_full_unstemmed | Computational homogenization of short fiber reinforced thermoplastic materials Sven Hoffmann |
| title_short | Computational homogenization of short fiber reinforced thermoplastic materials |
| title_sort | computational homogenization of short fiber reinforced thermoplastic materials |
| topic | Thermoplast (DE-588)4059844-5 gnd Verstärkungswerkstoff (DE-588)4303769-0 gnd Virtualisierung (DE-588)4839180-3 gnd Kurzfaser (DE-588)4409106-0 gnd |
| topic_facet | Thermoplast Verstärkungswerkstoff Virtualisierung Kurzfaser Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=025262961&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV040409953 |
| work_keys_str_mv | AT hoffmannsven computationalhomogenizationofshortfiberreinforcedthermoplasticmaterials |