Computational homogenisation of concrete:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Hannover
IBNM
2006
|
| Schriftenreihe: | Research reports / Institut für Baumechanik und Numerische Mechanik, Universität Hannover : F
[20]06,1 |
| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | Zugl.: Hannover, Univ., Diss., 2006 |
| Beschreibung: | VII, 91 S. graph. Darst. |
| ISBN: | 3935732163 |
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Datensatz im Suchindex
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|---|---|
| adam_text | R HAUPTREFERENT: PROF. DR.-ING. P. WRIGGERS KORREFERENT: PROF. DR.-ING.
L. LOHAUS DOKTORAND: M.SC. S. 0. MOFTAH 1 OMPUTATIONAL HOMOGENISATION OF
CONCRETE VON DER FAKULTAT FUR BAUINGENIEURWESEN UND GEODASIE DER
UNIVERSITAT HANNOVER ZUR ERLANGUNG DES GRADES EINES DOKTOR-INGENIEUR
GENEHMIGTE DISSERTATION VON M.SC. S. O. MOFTAH HANNOVER 2006 TAG DER
EINREICHUNG: 19.10.2005 TAG DER MIINDL. PRIIFUNG: 23.01.2006 INSTITUT
FUR BAUMECHANIK UND NUMERISCHE MECHANIK ULB DARMSTADT 16313025 CONTENTS
1 INTRODUCTION 1 1.1 MOTIVATION 1 1.2 LITERATURE REVIEW 2 1.3 STRUCTURE
OF THESIS 3 2 CONCRETE MESOSTRUCTURE 5 2.1 INTRODUCTION 5 2.2
COMPUTER-BASED MODELS 5 2.3 MESOSTRUCTURE GENERATION 6 2.3.1
TAKE-AND-PLACE METHOD 7 2.3.2 DIVIDE-AND-FILL METHOD 7 2.3.3 DISTINCT
ELEMENT METHOD 7 2.3.4 TRANSLATION-ROTATION ALGORITHM 8 2.4 GENERATION
OF AGGREGATE PARTICLES 8 2.4.1 AGGREGATE SHAPE CHARACTERISTICS 8 2.4.2
AGGREGATE SIZE DISTRIBUTION 11 2.4.3 TAKING PROCESS 12 2.4.4 PLACING
PROCESS 13 2.4.5 RE-GENERATION ALGORITHM 16 2.5 MESOSTRUCTURE MODELS 16
2.5.1 SIEVE ANALYSIS MODELS 16 2.5.2 FULLER CURVE MODELS 19 3 BASIC
CONTINUUM MECHANICS 21 3.1 KINEMATICS 21 3.1.1 DESCRIPTION OF MOTION 21
3.1.2 DEFORMATION GRADIENT 22 3.1.3 STRAIN TENSORS 24 3.1.4
STRAIN-DISPLACEMENT RELATIONS 26 3.1.5 INFINITESIMAL DEFORMATION 26 3.2
STRESS TENSORS 27 3.3 BALANCE LAWS 28 3.3.1 CONSERVATION OF MASS 29
CONTENTS 3.3.2 BALANCE OF LINEAR MOMENTUM 29 3.3.3 BALANCE OF ANGULAR
MOMENTUM 30 3.3.4 BALANCE OF ENERGY 31 3.4 CONSTITUTIVE EQUATIONS 31
3.4.1 ISOTROPIC ELASTICITY 32 3.4.2 MATRIX NOTATION 33 4 FINITE ELEMENT
IMPLEMENTATION 35 4.1 INTRODUCTION 35 4.2 VARIATIONAL FORMULATION 35 4.3
FINITE ELEMENT EQUATIONS 36 4.4 FINITE ELEMENT DISCRETISATION 41 4.4.1
MESH QUALITY 41 4.4.2 MESHING RESULTS 43 4.5 SOLUTION OF SYSTEM
EQUATIONS 44 4.5.1 ITERATIVE SOLVER (PCG) 46 4.5.2 NEWTON-RAPHSON METHOD
47 5 MICROMECHANICS CONCEPTS 49 5.1 INTRODUCTION 49 5.2 HOMOGENISATION
50 5.3 CLASSICAL VARIATIONAL METHODS 51 5.3.1 VOIGT-REUSS-HILL BOUNDS 51
5.3.2 HASHIN-SHTRIKMAN BOUNDS 52 5.3.3 ESHELBY RESULT 52 5.3.4 DILUTE
METHOD 53 5.3.5 SELF-CONSISTENT METHOD 53 5.3.6 MORI-TANAKA METHOD 54
5.4 DIRECT COMPUTATIONAL METHODS 55 5.4.1 AVERAGE STRAIN THEOREM 55
5.4.2 AVERAGE STRESS THEOREM 56 5.4.3 HILL S ENERGY CONDITION 56 5.4.4
EFFECTIVE MATERIAL PROPERTIES 57 5.5 TESTING PROCESS 58 5.5.1 RESULTS OF
SIEVE ANALYSIS 58 5.5.2 RESULTS OF FULLER CURVE 61 CONTENTS 6 CONCRETE
DAMAGE 65 6.1 INTRODUCTION 65 6.2 CONCRETE MODELLING 65 6.3 SMEARED
CRACK MODEL 66 6.3.1 GENERAL CONCEPT 66 6.3.2 STRAIN DECOMPOSITION 68
6.3.3 CONSTITUTIVE RELATION 69 6.3.4 CRACK PARAMETERS 71 6.3.5 NUMERICAL
EXAMPLE 74 6.4 ISOTROPIC DAMAGE MODEL 76 6.4.1 CONSTITUTIVE LAW 78 6.4.2
EVOLUTION OF DAMAGE 78 6.4.3 IDENTIFICATION OF PARAMETERS 80 6.4.4
NUMERICAL EXAMPLE 80 7 CONCLUSIONS 85 BIBLIOGRAPHY 87 CURRICULUM VITAE
93 RESEARCH REPORTS, IBNM 95
|
| adam_txt |
R HAUPTREFERENT: PROF. DR.-ING. P. WRIGGERS KORREFERENT: PROF. DR.-ING.
L. LOHAUS DOKTORAND: M.SC. S. 0. MOFTAH 1 OMPUTATIONAL HOMOGENISATION OF
CONCRETE VON DER FAKULTAT FUR BAUINGENIEURWESEN UND GEODASIE DER
UNIVERSITAT HANNOVER ZUR ERLANGUNG DES GRADES EINES DOKTOR-INGENIEUR
GENEHMIGTE DISSERTATION VON M.SC. S. O. MOFTAH HANNOVER 2006 TAG DER
EINREICHUNG: 19.10.2005 TAG DER MIINDL. PRIIFUNG: 23.01.2006 INSTITUT
FUR BAUMECHANIK UND NUMERISCHE MECHANIK ULB DARMSTADT 16313025 CONTENTS
1 INTRODUCTION 1 1.1 MOTIVATION 1 1.2 LITERATURE REVIEW 2 1.3 STRUCTURE
OF THESIS 3 2 CONCRETE MESOSTRUCTURE 5 2.1 INTRODUCTION 5 2.2
COMPUTER-BASED MODELS 5 2.3 MESOSTRUCTURE GENERATION 6 2.3.1
TAKE-AND-PLACE METHOD 7 2.3.2 DIVIDE-AND-FILL METHOD 7 2.3.3 DISTINCT
ELEMENT METHOD 7 2.3.4 TRANSLATION-ROTATION ALGORITHM 8 2.4 GENERATION
OF AGGREGATE PARTICLES 8 2.4.1 AGGREGATE SHAPE CHARACTERISTICS 8 2.4.2
AGGREGATE SIZE DISTRIBUTION 11 2.4.3 TAKING PROCESS 12 2.4.4 PLACING
PROCESS 13 2.4.5 RE-GENERATION ALGORITHM 16 2.5 MESOSTRUCTURE MODELS 16
2.5.1 SIEVE ANALYSIS MODELS 16 2.5.2 FULLER CURVE MODELS 19 3 BASIC
CONTINUUM MECHANICS 21 3.1 KINEMATICS 21 3.1.1 DESCRIPTION OF MOTION 21
3.1.2 DEFORMATION GRADIENT 22 3.1.3 STRAIN TENSORS 24 3.1.4
STRAIN-DISPLACEMENT RELATIONS 26 3.1.5 INFINITESIMAL DEFORMATION 26 3.2
STRESS TENSORS 27 3.3 BALANCE LAWS 28 3.3.1 CONSERVATION OF MASS 29
CONTENTS 3.3.2 BALANCE OF LINEAR MOMENTUM 29 3.3.3 BALANCE OF ANGULAR
MOMENTUM 30 3.3.4 BALANCE OF ENERGY 31 3.4 CONSTITUTIVE EQUATIONS 31
3.4.1 ISOTROPIC ELASTICITY 32 3.4.2 MATRIX NOTATION 33 4 FINITE ELEMENT
IMPLEMENTATION 35 4.1 INTRODUCTION 35 4.2 VARIATIONAL FORMULATION 35 4.3
FINITE ELEMENT EQUATIONS 36 4.4 FINITE ELEMENT DISCRETISATION 41 4.4.1
MESH QUALITY 41 4.4.2 MESHING RESULTS 43 4.5 SOLUTION OF SYSTEM
EQUATIONS 44 4.5.1 ITERATIVE SOLVER (PCG) 46 4.5.2 NEWTON-RAPHSON METHOD
47 5 MICROMECHANICS CONCEPTS 49 5.1 INTRODUCTION 49 5.2 HOMOGENISATION
50 5.3 CLASSICAL VARIATIONAL METHODS 51 5.3.1 VOIGT-REUSS-HILL BOUNDS 51
5.3.2 HASHIN-SHTRIKMAN BOUNDS 52 5.3.3 ESHELBY RESULT 52 5.3.4 DILUTE
METHOD 53 5.3.5 SELF-CONSISTENT METHOD 53 5.3.6 MORI-TANAKA METHOD 54
5.4 DIRECT COMPUTATIONAL METHODS 55 5.4.1 AVERAGE STRAIN THEOREM 55
5.4.2 AVERAGE STRESS THEOREM 56 5.4.3 HILL'S ENERGY CONDITION 56 5.4.4
EFFECTIVE MATERIAL PROPERTIES 57 5.5 TESTING PROCESS 58 5.5.1 RESULTS OF
SIEVE ANALYSIS 58 5.5.2 RESULTS OF FULLER CURVE 61 CONTENTS 6 CONCRETE
DAMAGE 65 6.1 INTRODUCTION 65 6.2 CONCRETE MODELLING 65 6.3 SMEARED
CRACK MODEL 66 6.3.1 GENERAL CONCEPT 66 6.3.2 STRAIN DECOMPOSITION 68
6.3.3 CONSTITUTIVE RELATION 69 6.3.4 CRACK PARAMETERS 71 6.3.5 NUMERICAL
EXAMPLE 74 6.4 ISOTROPIC DAMAGE MODEL 76 6.4.1 CONSTITUTIVE LAW 78 6.4.2
EVOLUTION OF DAMAGE 78 6.4.3 IDENTIFICATION OF PARAMETERS 80 6.4.4
NUMERICAL EXAMPLE 80 7 CONCLUSIONS 85 BIBLIOGRAPHY 87 CURRICULUM VITAE
93 RESEARCH REPORTS, IBNM 95 |
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| index_date | 2024-07-02T14:41:44Z |
| indexdate | 2024-07-09T20:39:09Z |
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| isbn | 3935732163 |
| language | English |
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| spelling | Moftah, Salem Omar Verfasser aut Computational homogenisation of concrete von S. O. Moftah Hannover IBNM 2006 VII, 91 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Research reports / Institut für Baumechanik und Numerische Mechanik, Universität Hannover : F [20]06,1 Zugl.: Hannover, Univ., Diss., 2006 Beton (DE-588)4006111-5 gnd rswk-swf Betonzuschlag (DE-588)4134383-9 gnd rswk-swf Geometrisches Modell (DE-588)4452959-4 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Beton (DE-588)4006111-5 s Betonzuschlag (DE-588)4134383-9 s Geometrisches Modell (DE-588)4452959-4 s DE-604 Institut für Baumechanik und Numerische Mechanik, Universität Hannover Research reports F ; [20]06,1 (DE-604)BV012930351 2006,1 HEBIS Datenaustausch Darmstadt application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=014797051&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Moftah, Salem Omar Computational homogenisation of concrete Beton (DE-588)4006111-5 gnd Betonzuschlag (DE-588)4134383-9 gnd Geometrisches Modell (DE-588)4452959-4 gnd |
| subject_GND | (DE-588)4006111-5 (DE-588)4134383-9 (DE-588)4452959-4 (DE-588)4113937-9 |
| title | Computational homogenisation of concrete |
| title_auth | Computational homogenisation of concrete |
| title_exact_search | Computational homogenisation of concrete |
| title_exact_search_txtP | Computational homogenisation of concrete |
| title_full | Computational homogenisation of concrete von S. O. Moftah |
| title_fullStr | Computational homogenisation of concrete von S. O. Moftah |
| title_full_unstemmed | Computational homogenisation of concrete von S. O. Moftah |
| title_short | Computational homogenisation of concrete |
| title_sort | computational homogenisation of concrete |
| topic | Beton (DE-588)4006111-5 gnd Betonzuschlag (DE-588)4134383-9 gnd Geometrisches Modell (DE-588)4452959-4 gnd |
| topic_facet | Beton Betonzuschlag Geometrisches Modell Hochschulschrift |
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