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Dynamic Behavior Of Laminated Composite Cylindrical Shells Under Initial Stresses
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Book Synopsis Dynamic Behavior of Laminated Composite Cylindrical Shells Under Initial Stresses by : Omesh C. Brijlal Abhat
Download or read book Dynamic Behavior of Laminated Composite Cylindrical Shells Under Initial Stresses written by Omesh C. Brijlal Abhat and published by . This book was released on 1971 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Behavior of Cylindrical Shells Under Initial Stress by : George Herrmann
Download or read book Dynamic Behavior of Cylindrical Shells Under Initial Stress written by George Herrmann and published by . This book was released on 1960 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Shock and Vibration Digest written by and published by . This book was released on 1984 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Dynamics of Smart Laminated Composite Cylindrical Shells by : Hossein Kheirollahi Nataj Bisheh
Download or read book Structural Dynamics of Smart Laminated Composite Cylindrical Shells written by Hossein Kheirollahi Nataj Bisheh and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Smart laminated composite cylindrical shells are widely used in many engineering applications such as aerospace, mechanical, civil, and marine structures. Dynamics (wave propagation and vibration) analysis of smart laminated composite shell structures plays an important role in design and fabrication of such structures. Understanding the dynamic characteristics of composite structures can be used for detecting possible defects in a structure and monitoring its structural integrity. Proper dynamics analysis of composite cylindrical shells has significant importance in accurate determination of wave propagation and vibration characteristics. In this thesis, a set of mathematical models is developed to model wave propagation and free vibration in smart laminated composite cylindrical shells reinforced with fibers with different sizes and arrangements based on different shell theories. The resulting effective material properties for composite structures reinforced with carbon nanotubes are estimated using the Mori-Tanaka micromechanics model. The hygrothermal environmental conditions are also considered in the proposed models. Wave dispersion and free vibration analyses are performed by solving an eigenvalue problem and finding the wave phase velocities and natural frequencies for different wave and vibration modes. Through numerical simulations, the effects of various parameters such as hygrothermal environmental conditions, axial and circumferential wavenumbers, arrangement and distribution of reinforcing fibers and carbon nanotubes, stacking sequence of the laminate, shell geometry parameters, piezoelectricity, and mechanical boundary conditions on the dynamic characteristics of different composites are examined. It is concluded that the shear effects on wave dynamics of smart laminated composite cylindrical shells are much more noticeable than its effects on wave dynamics of smart isotropic cylindrical shells. Furthermore, the effects of reinforcing fibers and carbon nanotubes and their volume fraction and geometrical distribution within the structure on wave propagation characteristics are significant and must be carefully considered in the analyses of such structures. The hygrothermal environmental conditions have a moderate impact on the wave propagation and vibration characteristics. Shell geometry and boundary conditions have noticeable effects on dynamic characteristics of smart composite cylindrical shells. The theoretical and mathematical framework developed in this thesis can be used by designers and manufacturers for the analyses of structural integrity and health monitoring of smart laminated composite cylindrical shell structures. It can also be used for energy harvesting through the piezoelectric materials embedded in such structures under different environmental conditions.
Book Synopsis Theory of Laminated Composite Doubly-Curved Shell Structures by : Francesco Tornabene
Download or read book Theory of Laminated Composite Doubly-Curved Shell Structures written by Francesco Tornabene and published by Società Editrice Esculapio. This book was released on 2017-01-09 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manuscript comes from the experience gained over thirteen years of study and research on shell structures. The title, Theory of Laminated Composite Doubly-Curved Shell Structures, illustrates the theme followed in the present volume. The present study aims to analyze the static and dynamic behavior of moderately thick shells made of composite materials. A particular attention is paid, other than fibrous and laminated composites, also to “Functionally graded materials” (FGMs). They are non-homogeneous materials, characterized by a continuous varia on of the mechanical properties through a particular direction. In particular, the present manuscript was written as an attempt to show, in an easy way, the theoretical aspects of doubly-curved composite shell structures. Furthermore, it focuses only on the theoretical aspects related to laminated composite doubly-curved shell structures and represents a shortened version of the book entitled: Mechanics of Laminated Composite Doubly-Curved Shell Structures by the same authors, wherein also the numerical part has been presented. The present volume is aimed at Master degree and PhD students in structural and applied mechanics, as well as experts in these fields. The present volume is divided into six chapters, in which static and dynamic analyses of several structural elements are provided in detail. Furthermore, the results of the adopted numerical technique are presented for several problems such as different loading and boundary conditions.
Book Synopsis Vibration of Shells by : Arthur W. Leissa
Download or read book Vibration of Shells written by Arthur W. Leissa and published by . This book was released on 1973 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: The vibrational characteristics and mechanical properties of shell structures are discussed. The subjects presented are: (1) fundamental equations of thin shell theory, (2) characteristics of thin circular cylindrical shells, (3) complicating effects in circular cylindrical shells, (4) noncircular cylindrical shell properties, (5) characteristics of spherical shells, and (6) solution of three-dimensional equations of motion for cylinders.
Book Synopsis Vibration of Laminated Shells and Plates by : Mohamad Subhi Qatu
Download or read book Vibration of Laminated Shells and Plates written by Mohamad Subhi Qatu and published by Elsevier. This book was released on 2004-02-16 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vibrations drive many engineering designs in today’s engineering environment. There has been an enormous amount of research into this area of research over the last decade. This book documents some of the latest research in the field of vibration of composite shells and plates filling a much-needed gap in the market. Laminated composite shells have many engineering applications including aerospace, mechanical, marine and automotive engineering. This book makes an ideal reference for researchers and practicing engineers alike. The first book of its kind Documents 10 years of research in the field of composite shells Many Engineering applications
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1973 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Dynamic Response of Spinning Cross-ply Laminated Circular Cylindrical Shells by : Stuart Samuel Gassel
Download or read book The Dynamic Response of Spinning Cross-ply Laminated Circular Cylindrical Shells written by Stuart Samuel Gassel and published by . This book was released on 1976 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Introduction to Sandwich Construction by : Dan Zenkert
Download or read book An Introduction to Sandwich Construction written by Dan Zenkert and published by Twayne Publishers. This book was released on 1995 with total page 277 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis American Doctoral Dissertations by :
Download or read book American Doctoral Dissertations written by and published by . This book was released on 1984 with total page 574 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Response of Composite Cylindrical Shells Under External Impulsive Loads by : Sunil George Pothula
Download or read book Dynamic Response of Composite Cylindrical Shells Under External Impulsive Loads written by Sunil George Pothula and published by . This book was released on 2009 with total page 75 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Dynamic pulse buckling, vibration and failure of laminated, composite cylindrical shells subjected to blast loading were studied. The dynamic response of the shells with orthotropic, symmetric, anti-symmetric and quasi-isotropic layups subjected to both uniform and asymmetric pressure pulse loading (side-on explosion) were examined by use of Fourier series and Lagrange's equation of motion. The solutions for the radial shell deformations were represented by Mathieu differential equations. Dynamic stability of the shells was determined from a Mathieu stability diagram. It was found that the stability of the shells were affected by lay-up, aspect ratio as well as impulse distribution. The stable vibration response of the orthotropic cylindrical shell with side-on explosion compared well with finite element solutions using an implicit dynamic analysis in ABAQUS Standard. First-ply failure of the orthotropic composite cylindrical shell was predicted using a modified Hashin-Rotem failure criterion. It was observed that the thinner shell were more likely to fail by dynamic instability, whereas the thicker shells were more likely to fail by first-ply failure."--Abstract.
Book Synopsis Non-Linear Dynamic Problems for Composite Cylindrical Shells by : A. Bogdanovich
Download or read book Non-Linear Dynamic Problems for Composite Cylindrical Shells written by A. Bogdanovich and published by CRC Press. This book was released on 1993-08-12 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph will be valuable for English-speaking scientists wanting to know more about the state-of-the-art in Russian research on non-linear shell theory. It will also be of value to all materials scientists concerned with the use and behaviour of composite materials in structural applications.
Book Synopsis The Dynamic Response of Thin Cylindrical Shells Under Initial Stresses and Subjected to General Three Dimensional Surface Loads by : Nan-Kang Liao
Download or read book The Dynamic Response of Thin Cylindrical Shells Under Initial Stresses and Subjected to General Three Dimensional Surface Loads written by Nan-Kang Liao and published by . This book was released on 1970 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Behavior of Shells Under Thermal Stress by : Felix Buckens
Download or read book Dynamic Behavior of Shells Under Thermal Stress written by Felix Buckens and published by . This book was released on 1965 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effect of initial stress and in particular of thermal stress on the dynamical behavior of thin shells (vibration and propagation of bending waves) is studied. The case of a circular cylindrical is considered in detail, and several effects of initial stress and distributed moment evaluated. Methods of determining initial thermal stress and deflection are given and their effects on natural frequencies and modes considered. Local effects on the velocity of propagation of bending waves are studied in detail and quantitative evaluations are obtained. Comparison with experimental results is given. (Author).
Book Synopsis Dynamic Failure of Composite and Sandwich Structures by : Serge Abrate
Download or read book Dynamic Failure of Composite and Sandwich Structures written by Serge Abrate and published by Springer Science & Business Media. This book was released on 2012-11-02 with total page 646 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a broad view of the current state of the art regarding the dynamic response of composite and sandwich structures subjected to impacts and explosions. Each chapter combines a thorough assessment of the literature with original contributions made by the authors. The first section deals with fluid-structure interactions in marine structures. The first chapter focuses on hull slamming and particularly cases in which the deformation of the structure affects the motion of the fluid during the water entry of flexible hulls. Chapter 2 presents an extensive series of tests underwater and in the air to determine the effects of explosions on composite and sandwich structures. Full-scale structures were subjected to significant explosive charges, and such results are extremely rare in the open literature. Chapter 3 describes a simple geometrical theory of diffraction for describing the interaction of an underwater blast wave with submerged structures. The second section addresses the problem of impact on laminated composite structures with chapters devoted to ballistic impacts on pre-stressed composite structures, tests developed to simulate dynamic failure in marine structures, damage mechanisms and energy absorption in low velocity impacts, perforation, the numerical simulation of intra and inter-ply damage during impact, and hail impact on laminated composites. Sandwich structures with laminated facings are considered in Section 3 with chapters dealing with the discrete modeling of honeycomb core during the indentation of sandwich structures, the behavior of fold core sandwich structures during impact, and impact on helicopter blades. The fourth section consists of two chapters presenting experimental results and numerical simulation of composite structures subjected to crash. This volume is intended for advanced undergraduate and graduate students, researchers, and engineers interested and involved in analysis and design of composite structures.
Book Synopsis Laminated Composite Plates and Shells by : Jianqiao Ye
Download or read book Laminated Composite Plates and Shells written by Jianqiao Ye and published by Springer Science & Business Media. This book was released on 2011-06-27 with total page 285 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laminated Composite Plates and Shells presents a systematic and comprehensive coverage of the three-dimensional modelling of these structures. It uses the state space approach to provide novel tools for accurate three-dimensional analyses of thin and thick structural components composed of laminated composite materials. In contrast to the traditional treatment of laminated materials, the state space method guarantees a continuous interfacial stress field across material boundaries. Other unique features of the analysis include the non-dependency of a problem's degrees of freedom on the number of material layers of a laminate. Apart from the introductions to composite materials, three-dimensional elasticity and the concept of state space equations presented in the first three chapters, the book reviews available analytical and numerical three-dimensional state space solutions for bending, vibration and buckling of laminated composite plates and shells of various shapes. The applications of the state space method also include the analyses of piezoelectric laminates and interfacial stresses near free edges. The book presents numerous tables and graphics that show accurate three-dimensional solutions of laminated structural components. Many of the numerical results presented in the book are important in their own right and also as test problems for validating new numerical methods. Laminated Composite Plates and Shells will be of benefit to all materials and structural engineers looking to understand the detailed behaviour of these important materials. It will also interest academic scientists researching that behaviour and engineers from more specialised fields such as aerospace which are becoming increasingly dependent on composites.
