The Theory and Design of an Apparatus for Photoelastic Stress Analysis and the Application of Photoelasticity to Specific Design Problems PDF Download
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Author: N. Sag
Publisher:
ISBN:
Category : Photoelasticity
Languages : en
Pages : 108
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Book Description
Author: N. Sag
Publisher:
ISBN:
Category : Photoelasticity
Languages : en
Pages : 108
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Book Description
Author: R. B. Heywood
Publisher: Elsevier
ISBN: 1483151956
Category : Technology & Engineering
Languages : en
Pages : 462
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Book Description
Photoelasticity for Designers covers the fundamental principles and techniques of photoelasticity, with an emphasis on its value as an aid to engineering design. This book is divided into 12 chapters, and begins with an introduction to the essential optical effects necessary for an understanding of the photoelastic phenomena. The next chapters describe the concept and features of polariscopes; the characterization of photoelastic materials; the formulation and testing of two-dimensional models of photoelasticity; and the application of model stresses to prototypes for the analysis of stresses occurring in the plane of the model, effectively of uniform thickness. These topics are followed by a discussion of the frozen stress technique and a comparison of the various materials that can be used for models in the technique. The ending chapters deal with the principles and application of the birefringent coating and distorted model techniques. This book will prove useful to photoelasticians, design engineers, and students.
Author: Roland Bryon Heywood
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 462
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Book Description
Author: M. M. Leven
Publisher: Elsevier
ISBN: 1483158543
Category : Technology & Engineering
Languages : en
Pages : 494
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Book Description
Photoelasticity presents the development of photoelasticity. This book discusses the principle of optical equivalence of stressed isotropic bodies. Organized into 29 chapters, this book begins with an overview of the progress in three-dimensional photoelasticity. This text then summarizes the approximate theoretical analysis by the strain-energy technique and derives the basic equations for the evaluation of P and Q by graphical integration. Other chapters consider the importance of stress concentrations in the domain of strength of materials, particularly where fatigue is present. This book discusses a well the various instructive fractures and indicates that the strength of bakelite is determined by the maximum tensile stresses as computed by advanced methods of stress analysis. The final chapter deals with the two fundamental problems in three-dimensional photoplasticity and explains the general stress-optic law under plastic flow without unloading. This book is a valuable resource for designers as well as mechanical and civil engineers.
Author: K. Ramesh
Publisher: Springer Science & Business Media
ISBN: 3642597238
Category : Science
Languages : en
Pages : 425
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Book Description
A straightforward introduction to basic concepts and methodologies for digital photoelasticity, providing a foundation on which future researchers and students can develop their own ideas. The book thus promotes research into the formulation of problems in digital photoelasticity and the application of these techniques to industries. In one volume it provides data acquisition by DIP techniques, its analysis by statistical techniques, and its presentation by computer graphics plus the use of rapid prototyping technologies to speed up the entire process. The book not only presents the various techniques but also provides the relevant time-tested software codes. Exercises designed to support and extend the treatment are found at the end of each chapter.
Author: Max Mark Frocht
Publisher:
ISBN:
Category : Loads (Mechanics)
Languages : en
Pages : 70
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Book Description
The method of strain measurement after annealing is reviewed and found to be unsatisfactory for the materials available in this country. A new, general method is described for the photoelastic determination of the principal stresses at any point of a general body subjected to arbitrary loads. The method has been applied to a sphere subjected to diametral compressive loads. The results show possibilities of high accuracy.
Author: M. M. Frocht
Publisher: Elsevier
ISBN: 1483223426
Category : Technology & Engineering
Languages : en
Pages : 317
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Book Description
Photoelasticity contains the proceedings of the international symposium on photoelasticity, held at the Illinois Institute of Technology, Chicago, Illinois in October 1961. The book presents papers presented to an international delegation of scientists and experts in the field of photoelasticity. Its purpose is to encompass on an international scale the fundamental research activities in the areas of photoelasticity. Research and developments in the field and the basic aspects as well as significant and intricate technological applications are covered as well. The topics discussed in the compendium include the use of birefringent coatings as a means of determining the strain on the surface of opaque bodies; the two-layer technique for the photoelastic analysis of loaded plates; a method for determining two-dimensional elastoplastic stress systems in flat celluloid models; and the potentialities of the method of scattered light. Materials scientists, structural engineers, and researchers in the field of photoelasticity will find the book invaluable.
Author: Paul Heymans
Publisher:
ISBN:
Category : Photoelasticity
Languages : en
Pages : 16
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Book Description
Author: Pericles S. Theocaris
Publisher: Springer
ISBN: 3540357890
Category : Science
Languages : en
Pages : 365
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Book Description
Photoelasticity as an experimental method for analyzing stress fields in mechanics was developed in the early thirties by the pioneering works of Mesnager in France and Coker and Filon in England. Almost concurrently, Föppl, Mesmer, and Oppel in Germany contributed significantly to what turned out to be an amazing development. Indeed, in the fifties and sixties a tremendous number of scientific papers and monographs appeared, all over the world, dealing with various aspects of the method and its applications in experimental stress analysis. All of these contributions were based on the so-called Neumann-Maxwell stress-opticallaw; they were developed by means of the classical methods of vector analysis and analytic geometry, using the conventionallight-vector concept. This way of treating problems of mechanics by photoelasticity indicated many shortcomings and drawbacks of this classical method, especially when three-dimensional problems of elasticity had to be treated and when complicated load and geometry situations existed. Meanwhile, the idea of using the Poincare sphere for representing any polarization profile in photoelastic applications was introduced by Robert in France and Aben in the USSR, in order to deal with problems of polarization oflight passing through aseries of optical elements (retarders andjor rotators). Although the Poincare-sphere presentation of any polarization profile con stitutes a powerful and elegant method, it exhibits the difficulty of requiring manipulations in three-dimensional space, on the surface of the unit sphere. However, other graphical methods have been developed to bypass this difficulty.
Author: Hillar Aben
Publisher:
ISBN: 9783642500725
Category :
Languages : en
Pages : 272
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Book Description
This book presents a sytematic approach to contemporary phototelasticity with particular emphasis on stress analysis in glass. A review of different kinds of residual stresses in glass is presented. Besides traditional photoelastic techniques, differential refractrometry for stress determination on the surface of flat glass and integrated photoelasticity for stress determination in glass articles ofcomplicated shape are considered in detail. Original photoelastic apparatus and corresponding measurement techniques as well as stress calculation algorithms are described. Many practical examples illustrate the possibilities of modern photoelasticity for stress measurement in flat glass, containers, tumblers, tubes, optical fibres and fibre performs etc. The book can be considered as a textbook for a specialist in glass industry who wants to check the quality of products or tries to optimize theproduction process parameters from the point of view of the residual stresses. Furthermore, the book gives a number of new nondestructive methodswhich have not been described in earlier books on photoelasticity.
