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| Author | : Hamid R. Hamidzadeh |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 201 |
| Release | : 2009-10-22 |
| Genre | : Technology & Engineering |
| ISBN | : 0387755918 |
Download Vibrations of Thick Cylindrical Structures Book in PDF, ePub and Kindle
Due to strong potential applications and more demanding requirements imposed upon long and thick cylindrical structures, there has been increasing research and development activities during recent years in the field of vibration and passive vibration control of these types of structures. An important step in the study of cylindrical structures is the determination of their vibration modal characteristics. This modal information plays a key role in the design and vibration suppression of these structures when subjected to dynamic excitations. Most reported studies on the dynamic response of cylindrical structures have been restricted to the application of the shell theories. These theories are based on a number of simplifying assumptions. The most important of which is, the considered shell must be relatively thin to assume constant stresses within the cylinder. Therefore, due to this limitation, shell theories are inadequate to accurately describe all possible vibration modes in thick cylindrical structures. The primary scope of this book is to address these problems by applying the theory of elasto-dynamics.
| Author | : Hamid R. Hamidzadeh |
| Publisher | : Springer |
| Total Pages | : 0 |
| Release | : 2008-11-01 |
| Genre | : Technology & Engineering |
| ISBN | : 9780387567334 |
Download Vibrations of Thick Cylindrical Structures Book in PDF, ePub and Kindle
Due to strong potential applications and more demanding requirements imposed upon long and thick cylindrical structures, there has been increasing research and development activities during recent years in the field of vibration and passive vibration control of these types of structures. An important step in the study of cylindrical structures is the determination of their vibration modal characteristics. This modal information plays a key role in the design and vibration suppression of these structures when subjected to dynamic excitations. Most reported studies on the dynamic response of cylindrical structures have been restricted to the application of the shell theories. These theories are based on a number of simplifying assumptions. The most important of which is, the considered shell must be relatively thin to assume constant stresses within the cylinder. Therefore, due to this limitation, shell theories are inadequate to accurately describe all possible vibration modes in thick cylindrical structures. The primary scope of this book is to address these problems by applying the theory of elasto-dynamics.
| Author | : Arthur W. Leissa |
| Publisher | : |
| Total Pages | : 438 |
| Release | : 1973 |
| Genre | : Government publications |
| ISBN | : |
Download Vibration of Shells Book in PDF, ePub and Kindle
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.
| Author | : Anthony E. Armenàkas |
| Publisher | : Elsevier |
| Total Pages | : 225 |
| Release | : 2013-10-22 |
| Genre | : Technology & Engineering |
| ISBN | : 1483158616 |
Download Free Vibrations of Circular Cylindrical Shells Book in PDF, ePub and Kindle
Free Vibrations of Circular Cylindrical Shells deals with thin-walled structures that undergo dynamic loads application, thereby resulting in some vibrations. Part I discusses the treatment of problems associated with the propagation of plane harmonic waves in a hollow circular cylinder. In such search for solutions, the text employs the framework of the three-dimensional theory of elasticity. The text explains the use of tables of natural frequencies and graphs of representative mode shapes of harmonic elastic waves bounding in an infinitely long isotropic hollow cylinder. The tables are found to be useful as they can be used to check validity and provide estimates of the range of applicability of various shell theories. The purpose of the frequency equation and that of the numerical computations likewise are considered. The book includes a computer program written in the FORTRAN language to show how it is used in the computations, except in cases when H (the thickness of shell) and L (axial half of wavelength) result in extremely small values. Part II consists of related tables and graphs. Physicists, engineers, students, and researchers in advanced sciences will find this book of interest.
| Author | : Burak Ustundag |
| Publisher | : |
| Total Pages | : 106 |
| Release | : 2011 |
| Genre | : |
| ISBN | : |
Download On the Free Vibration Behavior of Cylindrical Shell Structures Book in PDF, ePub and Kindle
Shell structures, especially cylindrical shells, are widely used in aerospace and naval architectural industries. Submarine hulls and aircraft bodies can be idealized as cylindrical shell structures. The study of vibrations of cylindrical shells is an important aspect in the successful applications of the cylindrical shells. The free vibration characteristics of a submarine hull have an important influence on the noise signature of the submarine. That makes the free vibration problem of the submarine hull a particular interest for the submarine community. The natural frequencies of cylindrical shells are clustered in a very narrow band and they are thus more prone to becoming involved in resonant vibrations. The determination and control of these frequencies is significant to manage the acoustic signature of the submarine. This thesis focuses on the free vibration characteristics of stiffened and unstiffened cylindrical shells. The analysis is carried out mainly in two parts. First, the unstiffened cylindrical shell is modeled and the free vibration problem is analyzed as the shell thickness decreases. Then the cylindrical shell is stiffened with ring stiffeners and the free vibration problem of the stiffened cylindrical shell is studied. The vibration modes of the unstiffened cylindrical shell are studied for four shells with different thicknesses. Initial tensile and compressive membrane stresses are applied separately to the shells to study the effect of the initial stresses on the free vibration modes. The vibration modes of the stiffened cylindrical shell are studied in two steps. First, the influence of the positions of two ring stiffeners on the fundamental frequencies is studied; second, the free vibration modes of the stiffened cylindrical shell are studied. Two cylindrical shells with different thicknesses are used and they are stiffened with different numbers of ring stiffeners, which are uniformly distributed along the longitudinal axis of the shell. The results are compared with available analytical results and finite element solutions of similar problems from the literature.
| Author | : Arthur W. Leissa |
| Publisher | : |
| Total Pages | : 450 |
| Release | : 1973 |
| Genre | : Government publications |
| ISBN | : |
Download Vibration of Shells Book in PDF, ePub and Kindle
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.
| Author | : Werner Soedel |
| Publisher | : CRC Press |
| Total Pages | : 594 |
| Release | : 2004-08-11 |
| Genre | : Mathematics |
| ISBN | : 0203026306 |
Download Vibrations of Shells and Plates Book in PDF, ePub and Kindle
With increasingly sophisticated structures involved in modern engineering, knowledge of the complex vibration behavior of plates, shells, curved membranes, rings, and other complex structures is essential for today‘s engineering students, since the behavior is fundamentally different than that of simple structures such as rods and beams. Now in its
| Author | : Shoei-Sheng Chen |
| Publisher | : Springer |
| Total Pages | : 504 |
| Release | : 1987-07-21 |
| Genre | : Mathematics |
| ISBN | : |
Download Flow-Induced Vibration of Circular Cylindrical Structures Book in PDF, ePub and Kindle
This book presents the vibration of circular cylinders in quiescent fluid, axial flow, and crossflow, and applications of the analytical methods and experimental data in design evaluation of various system components consisting of circular cylinders. It emphasizes analytical tools to predict structural vibration and experimental data for fluid forces and will help solve many important flow induced vibration problems in different industries. The techniques and results presented in this book will be useful not only to designers but also to researchers in this field. A comprehensive treatment of different situations is given in this book. For example, a thorough review of the analytical models and most recent development of fluidelastic instability of an array of cylinders in crossflow are presented in Chapter 10.
| Author | : Mohamad Subhi Qatu |
| Publisher | : Elsevier |
| Total Pages | : 426 |
| Release | : 2004-02-16 |
| Genre | : Technology & Engineering |
| ISBN | : 0080474764 |
Download Vibration of Laminated Shells and Plates Book in PDF, ePub and Kindle
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
| Author | : Khanh C. Le |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 415 |
| Release | : 2012-12-06 |
| Genre | : Technology & Engineering |
| ISBN | : 3642599117 |
Download Vibrations of Shells and Rods Book in PDF, ePub and Kindle
Intended for engineers who deal with vibrations of rods and shells in their everyday practice but who also wish to understand the subject from the mathematical point-of-view, the results contained here concerning high-frequency vibrations may be new to many. The book serves equally well as an advanced textbook, while remaining of interest to mathematicians who seek applications of the variational and asymptotic methods in elasticity and piezoelectricity. Only a minimum knowledge in advanced calculus and continuum mechanics is assumed on the part of the reader.
