| Titre : | Non-Local Modeling of the Compressive Strength of Composite Structures |
| Titre original : | Modélisation non-locale de la résistance en compression des composites architecturés |
| Type de document : | thèse |
| Auteurs : | Anil BETTADAHALLI CHANNAKESHAVA, Auteur ; Jean-Claude GRANDIDIER, Directeur de thèse ; Institut PPRIME UPR CNRS 3346 - PMM, Commanditaire ; Soraia PIMENTA, Rapporteur ; Jean-François GANGHOFFER, Rapporteur ; Sylvain DRAPIER, Examinateur ; Vincent KERYVIN, Examinateur ; Pierre-Yves MECHIN, Examinateur |
| Importance : | 264 p. |
| Note générale : | NNT 2020ESMA0018
Acknowledgements
Abstract & Keywords
Résumé & mots-clés
Table of Contents
List of Figures
List of Tables
Appendix
References
Summary of Chapters in French |
| Catégories : | Composites à fibres de carbone
Elasticité
Eléments finis, Méthode des
Essais de compression
Flambage (mécanique)
Microstructure (physique)
Plasticité
Rupture, Mécanique de la
Stratifiés
|
| Résumé : | INTRODUCTION
ABOUT COMPOSITES
Classification of Composites
Laminated Composites
Woven Composites
Defects from Process/Manufacturing Techniques
Specific Case: Long Carbon Fiber Reinforced Composites
Behavior of Composite Materials
STRENGTH OF COMPOSITE MATERIALS UNDER COMPRESSION (EXPERIMENTS AND MODELS)
Compression tests
Four Point Flexion Compression Frixture
Strength of Long Fiber UD Composites
Strength of Woven Composites
SCOPTE OF WORK AND OUTLINE
Work Package/Outline
NON-LOCAL MODEL FOR UD COMPOSITES WITH STRUCTURAL ELEMENTS OF ABAQUS®
Introduction
Beam Non-Local Model: Building the Model
Conclusion
GENERALIZED NON-LOCAL MODEL FOR UD AND WOVEN COMPOSITES - NUMERICAL MODEL (UEL ABAQUS®)
Introduction
Theoretical Part
Numerical Development
VALIDATION OF NL U32 ELEMENT (LINEAR CASE)
Linear Geometry and Linear IsotropicElastic Case
GEOMETRICAL NON-LINEARITY IN NL U32: DESCRIPTION AND VALIDATION
Formulation and Addition of Geometrical Non-Linearity
Validation of Geometrical Non-Linearity
MATRIX MATERIAL NON-LINEARITY IN NL U32: DESCRIPTION OF THE LAW AND VALIDATION
Formulation and Addition of Matrix Material Non-Linearity (Isotropic)
Validation of Matrix Material Non-Linearity
IDENTIFICATION OF PARAMETERS
Indentification of Elastic and Non-Local Parameters
Identification of Non-Linear Material Parameters
COMPRESSIVE RESPONSE OF NON-LOCAL COMPOSITES
Unidirectional Case
Woven Case
CONCLUSION AND PERSPECTIVES |
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