Fatigue assessment of composite laminates: A computational approach to assess the fatigue - Couverture souple

Kushvaha, Vinod

 
9783639312461: Fatigue assessment of composite laminates: A computational approach to assess the fatigue
Couverture souple
ISBN 10 : 3639312465 ISBN 13 : 9783639312461
Editeur : VDM Verlag Dr. Müller, 2010

Synopsis

The word fatigue has been a widely accepted term in engineering vocabulary for catastrophic failure of materials under cyclic loadings for more than a century. Cyclic loading causes damage and material property degradation in a cumulative manner. When a structure is subjected to cyclic stress (often much less than the static yield strength of the material) it fails after a number of cycles of stress application. Therefore, fatigue is the principal failure mechanism for structures under cyclic loading. To demonstrate the fatigue behavior, the composite laminates are modeled using the Finite Element Method (FEM). Using FEM results and Tsai-Hill criterion, fatigue life is computed for various laminate configurations. To validate the results, fatigue life assessed by Tsai-Hill and Tsai-Wu criteria is compared. The variations of fatigue life for different support conditions, load increments and possible lamina stacking sequences are studied. In addition, to present the fatigue behavior under variable amplitude loading, the Rainflow counting method is applied on irregular load history and fatigue life is computed for converted block loading.

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Présentation de l'éditeur

The word fatigue has been a widely accepted term in engineering vocabulary for catastrophic failure of materials under cyclic loadings for more than a century. Cyclic loading causes damage and material property degradation in a cumulative manner. When a structure is subjected to cyclic stress (often much less than the static yield strength of the material) it fails after a number of cycles of stress application. Therefore, fatigue is the principal failure mechanism for structures under cyclic loading. To demonstrate the fatigue behavior, the composite laminates are modeled using the Finite Element Method (FEM). Using FEM results and Tsai-Hill criterion, fatigue life is computed for various laminate configurations. To validate the results, fatigue life assessed by Tsai-Hill and Tsai-Wu criteria is compared. The variations of fatigue life for different support conditions, load increments and possible lamina stacking sequences are studied. In addition, to present the fatigue behavior under variable amplitude loading, the Rainflow counting method is applied on irregular load history and fatigue life is computed for converted block loading.

Biographie de l'auteur

Vinod Kushvaha holds a BS Degree in Civil Engineering and a MS Degree in Structural Engineering from Indian Institute of Technology Bombay, one of the premier institutions of higher learning in the world. His research interests include failure characterization of composite materials using computational and experimental techniques.

Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.

Éditeur
VDM Verlag Dr. Müller
Date d'édition
2010
Langue
anglais
ISBN 10 
3639312465
ISBN 13 
9783639312461
Reliure
Broché
Nombre de pages
72
Coordonnées du fabricant
non disponible
Personne responsable
non disponible