Vibration of Perforated Cylindrical Shells PDF Download
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Author: Peter L. Cousseau
Publisher:
ISBN:
Category :
Languages : en
Pages : 348
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Book Description
Author: Peter L. Cousseau
Publisher:
ISBN:
Category :
Languages : en
Pages : 348
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Book Description
Author: Arthur W. Leissa
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 438
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Book Description
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
ISBN: 1483158616
Category : Technology & Engineering
Languages : en
Pages : 225
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Book Description
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: John L. Sewall
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 58
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Book Description
Author: Štefan Markuš
Publisher:
ISBN:
Category : Elastic plates and shells
Languages : en
Pages : 184
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Book Description
The primary aim of this book is to give the reader an insight into the mechanics of vibrations of cylindrical shells, rather than to present him with a method for straightforward eigendata calculations. The contents are laid out phenomenologically. The first chapter conveys an elementary idea on the elastic strain in a thin shell, arising from the so-called membrane theory, the limitations of this theory are assessed with a clear physical interpretation of its drawbacks. The main emphasis of the book lies in the second chapter, where the reader will find a rigorous interpretation of the fundamental aspects of the so-called bending theory of shells. The major part of this chapter is devoted to thin-shell deformation theories. The solution of the exact equations of dynamic equilibrium that can be derived by the underlying linear theory of mathematical elasticity is discussed in the third chapter. The fourth chapter is an extension of the original Slovak version of this book. New research data in the field of vibrations of shell-like structures are presented mainly for layered shells. A simple mathematical approach is used throughout the book.
Author: Robert Miserentino
Publisher:
ISBN:
Category : Cylinders
Languages : en
Pages : 60
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Book Description
The breathing vibration modes of seven unstiffened cylinders having radius-to-thickness ratios ranging from 324 to l622 have been determined. Six cylinders were made of stainless steel and one, of aluminum. Their nominal length-to- radius ratio was six. Experimental results are presented to show the variations of resonant frequency and mode shape with internal pressure experimental results compared favorably with Reissner.
Author: Arthur W. Leissa
Publisher:
ISBN:
Category : Shells (Engineering)
Languages : en
Pages : 440
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Author: Koichiro Heki
Publisher:
ISBN:
Category :
Languages : en
Pages : 36
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Author: H. H. Bleich
Publisher:
ISBN:
Category : Differential equations
Languages : en
Pages : 52
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Book Description
A method is presented which permits the determination of the frequencies of vibrations of infinitely long thin cylindrical shells in an acoustic medium. Expressions are obtained for the displacements of the shell and for the pressures in the medium in the case of forced vibrations due to sinusoidally distributed radial forces. The results indicate that there is a low-frequency range, where no radiation takes place, and a high-frequency range where the external force provides energy which is radiated. Resonance occurs in the low-frequency range only; in the high-frequency range it is prevented by the damping due to radiation. Free and forced vibrations of steel shells submerged in water are discussed; with limitations, the theory may be applied approximately to stiffened shells. The method requires only a minor modification to account for the effect of static pressure in the surrounding medium. The treatment of transient problems is also considered. If high-frequency terms occur in the force, or shock effects are wanted within a short time after the application of the force, a treatment using solely modes of vibration of the submerged structure would be incomplete, as additional terms occur in the solution. As an alternative approach, the modes of free vibration of the structure may be used as generalized coordinates which fully describe the response of the structure but leave the medium to be treated, by means of the differential equations for the potential or in any other way desired.
Author: Werner Soedel
Publisher: CRC Press
ISBN: 0203026306
Category : Mathematics
Languages : en
Pages : 594
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Book Description
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