Finite Element Analysis of Composite Laminates

Finite Element Analysis of Composite Laminates

The first chapter presents an overview of the text. Chapter 2 is devoted to the introduction of the definitions and terminology used in composite materials and structures.

Author: O.O. Ochoa

Publisher: Springer Science & Business Media

ISBN: 9789401579957

Category: Science

Page: 213

View: 611

Composite materials are increasingly used in aerospace, underwater, and automotive structures. To take advantage of the full potential of composite materials, structural analysts and designers must have accurate mathematical models and design methods at their disposal. The objective of this monograph is to present the laminated plate theories and their finite element models to study the deformation, strength and failure of composite structures. Emphasis is placed on engineering aspects, such as the analytical descriptions, effective analysis tools, modeling of physical features, and evaluation of approaches used to formulate and predict the response of composite structures. The first chapter presents an overview of the text. Chapter 2 is devoted to the introduction of the definitions and terminology used in composite materials and structures. Anisotropic constitutive relations and Iaminate plate theories are also reviewed. Finite element models of laminated composite plates are presented in Chapter 3. Numerical evaluation of element coefficient matrices, post-computation of strains and stresses, and sample examples of laminated plates in bending and vibration are discussed. Chapter 4 introduces damage and failure criteria in composite laminates. Finally, Chapter 5 is dedicated to case studies involving various aspects and types of composite structures. Joints, cutouts, woven composites, environmental effects, postbuckling response and failure of composite laminates are discussed by considering specific examples.
Categories: Science

Finite Element Analysis of Composite Laminates

Finite Element Analysis of Composite Laminates

This is of the fundamental importance to develop tools that allow the designer to obtain the optimized design considering the structural requirements, functional characteristics and restrictions imposed by the production process.

Author: Satish Kumar Mishra

Publisher: LAP Lambert Academic Publishing

ISBN: 3846582247

Category:

Page: 68

View: 787

The composite materials are well known by their excellent combination of high structural stiffness and low weight. This is of the fundamental importance to develop tools that allow the designer to obtain the optimized design considering the structural requirements, functional characteristics and restrictions imposed by the production process. In this work, taking into considerations the above limitations the dynamic behavior of beams and plate manufactured from fiber reinforced composite materials are considered. Modal analysis is carried out with the help of commercial finite element code ANSYS to determine the influence of fiber orientation as well as the stacking sequence on the natural frequencies and maximum central deflection in case of uniform loading over the plate. The behavior of laminated composite plate under pressure loading was studied by using ANSYS . The effect of fiber orientation, number of plies, and stiffness ratio on the displacement of symmetric and anti symmetric laminated composite plates subjected to uniform pressure loads are studied in this work.
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Practical Analysis of Composite Laminates

Practical Analysis of Composite Laminates

This comprehensive text can be used for a graduate course in mechanical engineering, and as a valuable reference for professionals in the field.

Author: J. N. Reddy

Publisher: CRC Press

ISBN: 9781351423045

Category: Technology & Engineering

Page: 336

View: 852

Composite materials are increasingly used in aerospace, underwater, and automotive structures. They provide unique advantages over their metallic counterparts, but also create complex challenges to analysts and designers. Practical Analysis of Composite Laminates presents a summary of the equations governing composite laminates and provides practical methods for analyzing most common types of composite structural elements. Experimental results for several types of structures are included, and theoretical and experimental correlations are discussed. The last chapter is devoted to practical analysis using Designing Advanced Composites (DAC), a PC-based software on the subject. This comprehensive text can be used for a graduate course in mechanical engineering, and as a valuable reference for professionals in the field.
Categories: Technology & Engineering

Hybrid Finite Element Method for Stress Analysis of Laminated Composites

Hybrid Finite Element Method for Stress Analysis of Laminated Composites

This book has one single purpose: to present the development of the partial hybrid finite element method for the stress analysis of laminated composite structures.

Author: Suong Van Hoa

Publisher: Springer Science & Business Media

ISBN: 9781461557333

Category: Technology & Engineering

Page: 298

View: 888

This book has one single purpose: to present the development of the partial hybrid finite element method for the stress analysis of laminated composite structures. The reason for this presentation is because the authors believe that partial hybrid finite element method is more efficient that the displacement based finite element method for the stress analysis oflaminated composites. In fact, the examples in chapter 5 of this book show that the partial hybrid finite element method is about 5 times more efficient than the displacement based finite element method. Since there is a great need for accurate and efficient calculation of interlaminar stresses for the design using composites, the partial hybrid finite method does provide one possible solution. Hybrid finite method has been in existence since 1964 and a significant amount of work has been done on the topic. However, the authors are not aware of any systematic piece of literature that gives a detailed presentation of the method. Chapters of the displacement finite element method and the evolution 1 and 2 present a sununary of the hybrid finite element method. Hopefully, these two chapters can provide the readers with an appreciation for the difference between the displacement finite element method and the hybrid finite element. It also should prepare the readers for the introduction of partial hybrid finite element method presented in chapter 3.
Categories: Technology & Engineering

FINITE ELEMENT ANALYSIS OF COMPOSITE LAMINATES SUBJECTED TO AXIAL TRANSVERSE LOADING

FINITE ELEMENT ANALYSIS OF COMPOSITE LAMINATES SUBJECTED TO AXIAL   TRANSVERSE LOADING

This thesis focuses on the investigation of behavior of thick and moderately thick laminates under transverse and horizontal loading for different boundary conditions and configurations.

Author:

Publisher:

ISBN: OCLC:611692458

Category:

Page:

View: 824

This thesis focuses on the investigation of behavior of thick and moderately thick laminates under transverse and horizontal loading for different boundary conditions and configurations. An efficient finite element solution is proposed for analyzing composite laminates. Based on a combination of composite theory and 3-D Elasticity Theory, a 3-D finite element program is developed in MATLAB for calculating the stresses, strains and deformations of composite laminates under transverse and/or horizontal loading for different boundary conditions. The applicability of the formulation to analysis of laminated rubber bearings is also examined in this study. Since it is very important to calculate the correct stress state when developing models for composite behavior, the 3-D Elasticity Theory is used in this research. Numerical results are presented for various problems with different lamination schemes, loading and boundary conditions. In order to verify the analysis and the numerical calculations, numerical solutions obtained in this study are compared with available closed form solutions in the literature, experiment results and a commercial finite element program, namely ANSYS. The results obtained using the present finite element is found to be in acceptable and good agreement with the closed form solutions in the literature for thick and moderately thick rectangular and square plates.
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Finite Element Analysis of Composite Materials

Finite Element Analysis of Composite Materials

By layering detailed theoretical and conceptual discussions with fully developed examples, this text supplies the missing link between theory and implementation.

Author: Ever J. Barbero

Publisher: CRC Press

ISBN: 9781420054330

Category: Technology & Engineering

Page: 360

View: 533

Designing structures using composite materials poses unique challenges due especially to the need for concurrent design of both material and structure. Students are faced with two options: textbooks that teach the theory of advanced mechanics of composites, but lack computational examples of advanced analysis; and books on finite element analysis that may or may not demonstrate very limited applications to composites. But now there is third option that makes the other two obsolete: Ever J. Barbero's Finite Element Analysis of Composite Materials. By layering detailed theoretical and conceptual discussions with fully developed examples, this text supplies the missing link between theory and implementation. In-depth discussions cover all of the major aspects of advanced analysis, including three-dimensional effects, viscoelasticity, edge effects, elastic instability, damage, and delamination. More than 50 complete examples using mainly ANSYSTM, but also including some use of MATLAB®, demonstrate how to use the concepts to formulate and execute finite element analyses and how to interpret the results in engineering terms. Additionally, the source code for each example is available for download online. Cementing applied computational and analytical experience to a firm foundation of basic concepts and theory, Finite Element Analysis of Composite Materials offers a modern, practical, and versatile classroom tool for today's engineering classroom.
Categories: Technology & Engineering