Digital Photoelasticity
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| Author | : K. Ramesh |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 425 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642597238 |
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 | : Krishnamurthi Ramesh |
| Publisher | : IOP Publishing Limited |
| Total Pages | : 225 |
| Release | : 2021-10-21 |
| Genre | : Science |
| ISBN | : 9780750324700 |
In recent years, the field of digital photoelasticity has begun to stabilise. Developments in Photoelasticity presents, in one volume, the time-tested advancements that have brought about a fundamental change in employing photoelastic analysis to solve diverse applications. Based on decades of active research, this authoritative treatment surveys wide-ranging connections in the field, focusing on developments made since 2010. Wide-ranging in its application, this high-level reference text is an invaluable tool for stress analysts, teachers of photo-mechanics and industry practitioners involved in stress analysis, solid mechanics, fracture mechanics, glass stress analysis, and contact mechanics. It also serves as a link between active research and teaching at graduate and senior undergraduate level. Key Features: Establishes the basics of photoelasticity with clarity to serve as a primary reference for users of the methodology Explains phase-shifting methods that are robust enough to allow the reader to implement them with ease. Explores modern methods based on colour information processing using a single isochromatic image as well as use of conventional polariscopes for complete photoelastic analysis. Provides carrier fringe analysis tools for quantifying low stress field information for special applications. Extensive information on a variety of applications of photoelasticity covering domains ranging from biomedical to aerospace to civil engineering applications. Highlights large scale photoelastic studies in granular materials with applications in plant biology, neurobiology and biomimetics
| Author | : A. Asundi |
| Publisher | : Elsevier |
| Total Pages | : 199 |
| Release | : 2002-12-10 |
| Genre | : Technology & Engineering |
| ISBN | : 0080535976 |
The term "photomechanics" describes a suite of experimental techniques which use optics (photo) for studying problems in mechanics. The field has been in existence for some time, but has always lagged behind other experimental and numerical techniques. The main reason for this is that the interpretation of data, which whilst providing whole-field visualization, is not in a form readily amenable to the end-user. Digital image processing has become common within the photomechanics community. However, one approach does not fit all, and subtle variations in technique and method have been developed by different groups working on specific applications.This primer enables the user to get started with their experimental analysis quickly. It is based on the universally popular MATLAB® software, which includes dedicated and optimized functions for a variety of image processing tasks. These can readily scripted, along with the necessary mathematical expressions, for particular experimental techniques. The book provides an introduction to some of the optical techniques, and then introduces MATLAB® routines specific to the image processing in experimental mechanics. There are also case studies on particular techniques.As part of the book, a collection of M-files is provided on CD-ROM, which also contains example images and test code. This provides a starting point for the user, who can then easily add or edit statements or function for their own images.MATLAB® is a registered trademark of The MathWorks, Inc. For product information, visit http://www.mathworks.comhttp://www.mathworks.com
| Author | : William N. Sharpe, Jr. |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 1100 |
| Release | : 2008-12-04 |
| Genre | : Mathematics |
| ISBN | : 0387268839 |
The Springer Handbook of Experimental Solid Mechanics documents both the traditional techniques as well as the new methods for experimental studies of materials, components, and structures. The emergence of new materials and new disciplines, together with the escalating use of on- and off-line computers for rapid data processing and the combined use of experimental and numerical techniques have greatly expanded the capabilities of experimental mechanics. New exciting topics are included on biological materials, MEMS and NEMS, nanoindentation, digital photomechanics, photoacoustic characterization, and atomic force microscopy in experimental solid mechanics. Presenting complete instructions to various areas of experimental solid mechanics, guidance to detailed expositions in important references, and a description of state-of-the-art applications in important technical areas, this thoroughly revised and updated edition is an excellent reference to a widespread academic, industrial, and professional engineering audience.
| Author | : Hillar Aben |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 259 |
| Release | : 2012-12-06 |
| Genre | : Technology & Engineering |
| ISBN | : 3642500714 |
Glass is the oldest man-made material. Its invention about five thousand years ago should be considered as one of the crucial events in the history of mankind. Glass has given man the possibility to have daylight in his protected living environment and to compensate the defects of his sight. Glass containers and tableware have played and still play an important role in man's everyday life. Glass elements in microscopes and telescopes have given us the possibility to learn the secrets of micro- and macrocosm. Glass participates in the most sophisticated technologies: glass fibers have caused a revolution in telecommunication, glass is used as a material for many modern electronic devices. Although nowadays plastics often make a strong competition to glass, for many applications glass is still the best material due to its specific properties - its hardness, good transparency, resistance to chemicals, the easiness to shape glass articles, feasibility to change the composition of the glass in order to meet new specific demands, etc. Two peculiarities of glass should be pointed out. The first is the fragility of glass - it breaks easily due to tensile stresses. The second is the fact that in every glass item there exist residual stresses due to the complicated technological process during which glass from the state of a viscous liquid at high temperature turns into solid state, while cooled down.
| Author | : E.E. Gdoutos |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 834 |
| Release | : 2007-05-08 |
| Genre | : Science |
| ISBN | : 0306484102 |
This book contains 71 papers presented at the symposium on “Recent Advances in Experimental Mechanics” which was organized in honor of Professor Isaac M. Daniel. The symposium took place at Virginia Polytechnic Institute and State University on th June 23-28, 2002, in conjunction with the 14 US National Congress of Applied Mechanics. The book is a tribute to Isaac Daniel, a pioneer of experimental mechanics and composite materials, in recognition of his continuous, original, diversified and outstanding contributions for half a century. The book consists of invited papers written by leading experts in the field. It contains original contributions concerning the latest developments in experimental mechanics. It covers a wide range of subjects, including optical methods of stress analysis (photoelasticity, moiré, etc.), composite materials, sandwich construction, fracture mechanics, fatigue and damage, nondestructive evaluation, dynamic problems, fiber optic sensors, speckle metrology, digital image processing, nanotechnology, neutron diffraction and synchrotron radiation methods. The papers are arranged in the following nine sections: Mechanical characterization of material behavior, composite materials, fracture and fatigue, optical methods, n- destructive evaluation, neutron diffraction and synchrotron radiation methods, hybrid methods, composite structures, and structural testing and analysis.
| Author | : Chad S. Korach |
| Publisher | : Springer |
| Total Pages | : 172 |
| Release | : 2016-09-20 |
| Genre | : Technology & Engineering |
| ISBN | : 3319413511 |
Mechanics of Biological Systems and Materials, Volume 6 of the Proceedings of the 2016 SEM Annual Conference & Exposition on Experimental and Applied Mechanics, the sixth volume of ten from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on a wide range of areas, including: Soft Material Mechanics Bio-Engineering and Biomechanics Cells Mechanics Biomaterials and Mechanics Across Multiple Scales Biomechanics Biotechnologies Traumatic Brain Injury Mechanics
| Author | : Steffen Dix |
| Publisher | : Springer Nature |
| Total Pages | : 155 |
| Release | : 2023-10-27 |
| Genre | : Technology & Engineering |
| ISBN | : 3658420294 |
Optical anisotropy effects can occur in building envelopes made of tempered glass. The visual effect has been neglected in the evaluation of the building product and increasingly leads to disputes between the parties involved. This thesis extends the state of knowledge on the cause and perception of optical anisotropic effects and presents a concept for measuring and evaluating them in flat monolithic tempered architectural glass. Initially, an overview and description of current photoelastic measurement methods are given, and the accuracy of the used measurement setups is verified for the first time. The experimental basis for the concept is formed by extensive full-field retardation measurements in the laboratory and field studies of the maximum visibility of the anisotropy effects in an outdoor test rig with accompanying polarization measurements of the sky. Various glass types, geometries, and tempering levels are selected based on typically used products, and their influence on the resulting retardation image is investigated. Determining a correlation of the retardation images with the reflection images of selected test specimens in the outdoor test rig complements the experiments. Based on this, digital evaluation methods are presented, further developed, and applied to the measured retardation images. From the critical analysis of these results, limit values for different anisotropy quality classes are derived, and the concept is complemented. With the implementation of the evaluation methods and the limit values in commercial anisotropy scanners, the quality of each glass pane can be determined directly after tempering in the future. By choosing the highest quality class A, it will be possible in the future to significantly reduce anisotropy effects in constructions made of tempered glass panes.
| Author | : Pramod Rastogi |
| Publisher | : Artech House |
| Total Pages | : 473 |
| Release | : 2015-05-01 |
| Genre | : Technology & Engineering |
| ISBN | : 1608078078 |
This new resource explains the principles and applications of today’s digital optical measurement techniques. From start to finish, each chapter provides a concise introduction to the concepts and principles of digital optical metrology, followed by a detailed presentation of their applications. The development of all these topics, including their numerous methods, principles, and applications, has been illustrated using a large number of easy-to-understand figures. This book aims to not only help the reader identify the appropriate techniques in function of the measurement requirements, but also assess modern digital measurement systems.
| Author | : Rajpal Sirohi |
| Publisher | : CRC Press |
| Total Pages | : 316 |
| Release | : 2018-09-03 |
| Genre | : Technology & Engineering |
| ISBN | : 1420017764 |
Optical Methods of Measurement: Wholefield Techniques, Second Edition provides a comprehensive collection of wholefield optical measurement techniques for engineering applications. Along with the reorganization of contents, this edition includes a new chapter on optical interference, new material on nondiffracting and singular beams and their applications, and updated bibliography and additional reading sections. The book explores the propagation of laser beams, metrological applications of phase-singular beams, various detectors such as CCD and CMOS devices, and recording materials. It also covers interference, diffraction, and digital fringe pattern measurement techniques, with special emphasis on phase measurement interferometry and algorithms. The remainder of the book focuses on theory, experimental arrangements, and applications of wholefield techniques. The author discusses digital hologram interferometry, digital speckle photography, digital speckle pattern interferometry, Talbot interferometry, and holophotoelasticity. This updated book compiles the major wholefield methods of measurement in one volume. It provides a solid understanding of the techniques by describing the physics behind them. In addition, the examples given illustrate how the techniques solve measurement problems.
