Model adaptivity in sheet metal forming simulation:
Gespeichert in:
| 1. Verfasser: | |
|---|---|
| Format: | Abschlussarbeit Buch |
| Sprache: | English |
| Veröffentlicht: |
Aachen
Shaker
2010
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| Schriftenreihe: | Berichte aus dem Maschinenbau
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| Schlagworte: | |
| Online-Zugang: | Inhaltsverzeichnis |
| Beschreibung: | IX, 124 S. graph. Darst. |
| ISBN: | 9783832290399 |
Internformat
MARC
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Datensatz im Suchindex
| _version_ | 1804143050032676864 |
|---|---|
| adam_text | 3.8 DISCRETIZATION WITH SOLIDS 37 CONTENTS 1 INTRODUCTION 1 2 SHEET
METAL FORMING 5 2.1 INTRODUCTION 5 2.2 MATERIAL BEHAVIOR 6 2.2.1 STRESS,
STRAIN AND STRENGTH C 2.2.2 MAJOR STRAINS 7 2.2.3 DEFORMATION AND
FORMING LIMIT DIAGRAM 8 2.2.4 CROSS-SECTIONAL STRESSES IN BENDING WITH
TENSION 10 2.3 DEEP DRAWING 12 2.3.1 PRESS FORCE 13 2.3.2 SPRINGBACK 13
2.3.3 SPRINGBACK COMPENSATION 14 3 SIMULATION OF THIN-WALLED STRUCTURES
17 3.1 INTRODUCTION 17 3.2 BASIC CONTINUUM MECHANICS 18 3.2.1 KINEMATICS
18 3.2.2 STRESS AND EQUILIBRIUM 19 3.2.3 BOUNDARY CONDITIONS 20 3.2.4
CONSTITUTIVE EQUATIONS IN METAL PLASTICITY 20 3.2.5 VARIATIONAL
FORMULATION 23 3.3 NONLINEAR SOLUTION TECHNIQUES 24 3.3.1 THE
NEWTON-RAPHSON METHOD 24 3.3.2 MODIFIED NEWTON-RAPHSON METHOD 25 3.4
EXPLICIT VS. IMPLICIT TIME INTEGRATION 25 3.5 MODELING CONTACT 28 3.5.1
INTRODUCTION 28 3.5.2 BASICS OF CONTACT MODELING 28 3.5.3 WEAK FORM 30
3.6 LINEAR ELASTIC PROBLEM AND DISCRETIZATION 31 3.7 SHELL FINITE
ELEMENTS 34 3.7.1 INTRODUCTION 3I 3.7.2 SHELL KINEMATICS 34 3.7.3
CONTINUUM-BASED GENERAL PURPOSE SHELL FINITE ELEMENTS 36 BIBLIOGRAFISCHE
INFORMATIONEN HTTP://D-NB.INFO/1001627679 DIGITALISIERT DURCH 3.8.1
INTRODUCTION 37 3.8.2 LOW ORDER ISOPARAMETRIC SOLID ELEMENTS 37 3.9
SPRINGBACK SIMULATION CHALLENGES 42 3.10 MODELING ASPECTS 44 3.10.1
MATERIAL MODELING DIFFERENCES 44 3.10.2 MEMBRANE ELEMENTS 44 3.10.3
SHELLS IN INVERSE FINITE ELEMENT ANALYSIS 44 3.10.4 5- AND 6-PARAMETER
SHELL ELEMENTS 45 3.10.5 7-PARAMETER SHELL ELEMENTS 45 3.10.6 SOLID
ELEMENTS 46 3.10.7 ELEMENTS IN CONTACT ANALYSIS 47 MODEL ADAPT I VI TY
49 4.1 MOTIVATION 49 4.2 OVERVIEW OF THE DEVELOPED METHODS 51 4.3 STRESS
STATE RECONSTRUCTION 53 4.3.1 THE HP-D METHOD 53 4.3.2 LINEAR ELASTIC
EXAMPLE 56 4.3.3 EXTENSION TO NONLINEAR COMPUTATIONS 59 4.3.4
APPLICATION IN DEEP DRAWING SIMULATION 60 4.4 MODEL ERROR 65 4.4.1
INDICATOR VS. ESTIMATOR 66 4.4.2 GEOMETRIC CONSIDERATIONS 66 4.4.3
MECHANICALLY-MOTIVATED MODEL ERROR INDICATOR 67 4.5 MODEL ERROR-DRIVEN
DIRECTLY COUPLED ANALYSIS 73 4.5.1 INTRODUCTION 73 4.5.2 DIRECTLY
COUPLED ANALYSIS 73 4.5.3 1D-2D COUPLING EXAMPLE 74 4.5.4 SHELL-TO-SOLID
COUPLING 75 4.5.5 MESH DESIGN CONSIDERATIONS 78 4.5.6 MODEL ADAPTIVE
SIMULATION PROCEDURES 80 4.6 MODEL ADAPTIVITY FRAMEWORK SUMMARY 81 4.6.1
ONE STEP MODEL ADAPTIVITY 82 4.6.2 DIRECTLY COUPLED MODEL ADAPTIVE
SIMULATION 82 4.6.3 POST-PROCESSING CONSIDERATIONS 82 SIMULATION RESULTS
83 5. 5.3.3 MODEL-ADAPTIVE MESH ENHANCEMENT 95 5.4 ROTATIONAL BENDING 95
5.4.1 SET-UP AND SIMULATION 95 5.4.2 VIOLATION OF THE SHELL MODEL
ASSUMPTIONS 99 5.4.3 MODEL ERROR INDICATOR 100 5.5 BENDING WITH TENSION
106 5.6 DRAW-BENDING 107 5.6.1 GEOMETRIES 107 5.6.2 DEFORMATION HISTORY
DEPENDENCY 110 5.6.3 DEPENDENCE ON DISCRETIZATION IN THE THICKNESS
DIRECTION 110 6 SUMMARY 113
|
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| author | Ledentsov, Dmitry |
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| dewey-full | 671.823 671.30151825 |
| dewey-hundreds | 600 - Technology (Applied sciences) |
| dewey-ones | 671 - Metalworking & primary metal products |
| dewey-raw | 671.823 671.30151825 |
| dewey-search | 671.823 671.30151825 |
| dewey-sort | 3671.823 |
| dewey-tens | 670 - Manufacturing |
| discipline | Werkstoffwissenschaften / Fertigungstechnik |
| format | Thesis Book |
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| isbn | 9783832290399 |
| language | English |
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| physical | IX, 124 S. graph. Darst. |
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| spelling | Ledentsov, Dmitry Verfasser aut Model adaptivity in sheet metal forming simulation Dmitry Ledentsov Aachen Shaker 2010 IX, 124 S. graph. Darst. txt rdacontent n rdamedia nc rdacarrier Berichte aus dem Maschinenbau Zugl.: München, Techn. Univ., Diss., 2010 Finite-Elemente-Methode (DE-588)4017233-8 gnd rswk-swf Prozesssimulation (DE-588)4176077-3 gnd rswk-swf Blechumformen (DE-588)4145878-3 gnd rswk-swf (DE-588)4113937-9 Hochschulschrift gnd-content Blechumformen (DE-588)4145878-3 s Prozesssimulation (DE-588)4176077-3 s Finite-Elemente-Methode (DE-588)4017233-8 s DE-604 DNB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=020411753&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Ledentsov, Dmitry Model adaptivity in sheet metal forming simulation Finite-Elemente-Methode (DE-588)4017233-8 gnd Prozesssimulation (DE-588)4176077-3 gnd Blechumformen (DE-588)4145878-3 gnd |
| subject_GND | (DE-588)4017233-8 (DE-588)4176077-3 (DE-588)4145878-3 (DE-588)4113937-9 |
| title | Model adaptivity in sheet metal forming simulation |
| title_auth | Model adaptivity in sheet metal forming simulation |
| title_exact_search | Model adaptivity in sheet metal forming simulation |
| title_full | Model adaptivity in sheet metal forming simulation Dmitry Ledentsov |
| title_fullStr | Model adaptivity in sheet metal forming simulation Dmitry Ledentsov |
| title_full_unstemmed | Model adaptivity in sheet metal forming simulation Dmitry Ledentsov |
| title_short | Model adaptivity in sheet metal forming simulation |
| title_sort | model adaptivity in sheet metal forming simulation |
| topic | Finite-Elemente-Methode (DE-588)4017233-8 gnd Prozesssimulation (DE-588)4176077-3 gnd Blechumformen (DE-588)4145878-3 gnd |
| topic_facet | Finite-Elemente-Methode Prozesssimulation Blechumformen Hochschulschrift |
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