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Elastic Wave Propagation in Structures and Materials (Hardcover): Srinivasan Gopalakrishnan Elastic Wave Propagation in Structures and Materials (Hardcover)
Srinivasan Gopalakrishnan
R4,173 Discovery Miles 41 730 Ships in 12 - 17 working days

Elastic Wave Propagation in Structures and Materials initiates with a brief introduction to wave propagation, different wave equations, integral transforms including fundamentals of Fourier Transform, Wavelet Transform, Laplace Transform and their numerical implementation. Concept of spectral analysis and procedure to compute the wave parameters, wave propagation in 1-D isotropic waveguides, wave dispersion in 2-D waveguides is explained. Wave propagation in different media such as laminated composites, functionally graded structures, granular soils including non-local elasticity models is addressed. The entire book is written in modular form and analysis is performed in frequency domain. Features: Brings out idea of wave dispersion and its utility in the dynamic responses. Introduces concepts as Negative Group Speeds, Einstein's Causality and escape frequencies using solid mathematical framework. Discusses the propagation of waves in materials such as laminated composites and functionally graded materials. Proposes spectral finite element as analysis tool for wave propagation. Each concept/chapter supported by homework problems and MATLAB/FORTRAN codes. This book aims at Senior Undergraduates and Advanced Graduates in all streams of engineering especially Mechanical and Aerospace Engineering.

Wave Propagation in Materials and Structures (Hardcover): Srinivasan Gopalakrishnan Wave Propagation in Materials and Structures (Hardcover)
Srinivasan Gopalakrishnan
R4,851 Discovery Miles 48 510 Ships in 12 - 17 working days

This book focuses on basic and advanced concepts of wave propagation in diverse material systems and structures. Topics are organized in increasing order of complexity for better appreciation of the subject. Additionally, the book provides basic guidelines to design many of the futuristic materials and devices for varied applications. The material in the book also can be used for designing safer and more lightweight structures such as aircraft, bridges, and mechanical and structural components. The main objective of this book is to bring both the introductory and the advanced topics of wave propagation into one text. Such a text is necessary considering the multi-disciplinary nature of the subject. This book is written in a step-by step modular approach wherein the chapters are organized so that the complexity in the subject is slowly introduced with increasing chapter numbers. Text starts by introducing all the fundamental aspects of wave propagations and then moves on to advanced topics on the subject. Every chapter is provided with a number of numerical examples of increasing complexity to bring out the concepts clearly The solution of wave propagation is computationally very intensive and hence two different approaches, namely, the Finite Element method and the Spectral Finite method are introduced and have a strong focus on wave propagation. The book is supplemented by an exhaustive list of references at the end of the book for the benefit of readers.

Blast Mitigation Strategies in Marine Composite and Sandwich Structures (Paperback, Softcover reprint of the original 1st ed.... Blast Mitigation Strategies in Marine Composite and Sandwich Structures (Paperback, Softcover reprint of the original 1st ed. 2018)
Srinivasan Gopalakrishnan, Yapa Rajapakse
R6,581 Discovery Miles 65 810 Ships in 10 - 15 working days

This book primarily focuses on methodologies to enable marine structures to resist high velocity impact loadings. It is based on invited talks presented at the recent India-USA workshop on "Recent Advances in Blast Mitigation Strategies in Civil and Marine Composite Structures" The book comprises content from top researchers from India and the USA and covers various aspects of the topic, including modeling and simulation, design aspects, experimentation and various challenges. These failure modes significantly reduce the structural integrity of the marine structures unless they are designed to resist such harsh loadings. Understanding the mechanics of these structures under harsh loadings is still an open area of research, and the behavior of these structures is not fully understood. The book highlights efforts to reduce the effects of blast loadings on marine composite structures. Intended for researchers/scientists and practicing engineers, the book focuses not only the design and analysis challenges of marine composite structures under such harsh loading conditions, but also provides new design guidelines.

Blast Mitigation Strategies in Marine Composite and Sandwich Structures (Hardcover, 1st ed. 2018): Srinivasan Gopalakrishnan,... Blast Mitigation Strategies in Marine Composite and Sandwich Structures (Hardcover, 1st ed. 2018)
Srinivasan Gopalakrishnan, Yapa Rajapakse
R6,634 Discovery Miles 66 340 Ships in 10 - 15 working days

This book primarily focuses on methodologies to enable marine structures to resist high velocity impact loadings. It is based on invited talks presented at the recent India-USA workshop on "Recent Advances in Blast Mitigation Strategies in Civil and Marine Composite Structures" The book comprises content from top researchers from India and the USA and covers various aspects of the topic, including modeling and simulation, design aspects, experimentation and various challenges. These failure modes significantly reduce the structural integrity of the marine structures unless they are designed to resist such harsh loadings. Understanding the mechanics of these structures under harsh loadings is still an open area of research, and the behavior of these structures is not fully understood. The book highlights efforts to reduce the effects of blast loadings on marine composite structures. Intended for researchers/scientists and practicing engineers, the book focuses not only the design and analysis challenges of marine composite structures under such harsh loading conditions, but also provides new design guidelines.

Computational Techniques for Structural Health Monitoring (Paperback, 2011 ed.): Srinivasan Gopalakrishnan, Massimo Ruzzene,... Computational Techniques for Structural Health Monitoring (Paperback, 2011 ed.)
Srinivasan Gopalakrishnan, Massimo Ruzzene, Sathyanaraya Hanagud
R4,555 Discovery Miles 45 550 Ships in 10 - 15 working days

The increased level of activity on structural health monitoring (SHM) in various universities and research labs has resulted in the development of new methodologies for both identifying the existing damage in structures and predicting the onset of damage that may occur during service. Designers often have to consult a variety of textbooks, journal papers and reports, because many of these methodologies require advanced knowledge of mechanics, dynamics, wave propagation, and material science. Computational Techniques for Structural Health Monitoring gives a one-volume, in-depth introduction to the different computational methodologies available for rapid detection of flaws in structures. Techniques, algorithms and results are presented in a way that allows their direct application. A number of case studies are included to highlight further the practical aspects of the selected topics. Computational Techniques for Structural Health Monitoring also provides the reader with numerical simulation tools that are essential to the development of novel algorithms for the interpretation of experimental measurements, and for the identification of damage and its characterization. Upon reading Computational Techniques for Structural Health Monitoring, graduate students will be able to begin research-level work in the area of structural health monitoring. The level of detail in the description of formulation and implementation also allows engineers to apply the concepts directly in their research.

Wave Propagation in Nanostructures - Nonlocal Continuum Mechanics Formulations (Hardcover, 2013 ed.): Srinivasan... Wave Propagation in Nanostructures - Nonlocal Continuum Mechanics Formulations (Hardcover, 2013 ed.)
Srinivasan Gopalakrishnan, Saggam Narendar
R4,461 Discovery Miles 44 610 Ships in 10 - 15 working days

"Wave Propagation in Nanostructures "describes the fundamental and advanced concepts of waves propagating in structures that have dimensions of the order of nanometers. The book is fundamentally based on non-local elasticity theory, which includes scale effects in the continuum model. The book predominantly addresses wave behavior in carbon nanotubes and Graphene structures, although the methods of analysis provided in this text are equally applicable to other nanostructures.

The book takes the reader from the fundamentals of wave propagation in nanotubes to more advanced topics such as rotating nanotubes, coupled nanotubes, and nanotubes with magnetic field and surface effects. The first few chapters cover the basics of wave propagation, different modeling schemes for nanostructures and introduce non-local elasticity theories, which form the building blocks for understanding the material provided in later chapters. A number of interesting examples are provided to illustrate the important features of wave behavior in these low dimensional structures.

IUTAM Symposium on Multi-Functional Material Structures and Systems - Proceedings of the the IUTAM Symposium on... IUTAM Symposium on Multi-Functional Material Structures and Systems - Proceedings of the the IUTAM Symposium on Multi-Functional Material Structures and Systems, Bangalore, India, December 10-12, 2008 (Paperback, 2010 ed.)
B. Dattaguru, Srinivasan Gopalakrishnan, V. K. Aatre
R4,510 Discovery Miles 45 100 Ships in 10 - 15 working days

For centuries it has been the desire of human beings to ?nd better and better materials to achieve a variety of bene?ts for the mankind. This has been in vogue from the stone-age. The recent revolution discovering Smart Materials and Fu- tionally Graded Materials is one of those attempts. These materials are inherently multi functionaland theyopenedup possibilities whichcouldnot beimaginedinthe past. Materials can take a particulartype of energystimulusas input andgeneratean output belonging to a different type of energy. Typical example has been materials on which a mechanical force can produce electrical output. We are in twenty?rst century where in materials Research will totally concentrate on these new concepts and exploit them for variety of applications. Structural Health Monitoring leading to safety of operationsis the primary applicationthe aerospace, mechanical, nuclear and civil engineers will be expecting from this research. The Micro- and Na- scale sensors and actuators form the basis for this technology and Departments of Science and Technology in all the countries are investing heavily on this highly potential ?eld. InIndia, thescienti?cgroupinthisareaisactiveforthepastdecade. Theyformed in 1999 a professional society named as Institute of Smart Structures & Systems (ISSS) which has been holding National and International seminars and also he- ing the government departments to fund research and development of relevance to this novel materials and structures. National Program on Smart Materials (NPSM) and the second phase program NPMASS are the consequences of these efforts.

Computational Techniques for Structural Health Monitoring (Hardcover, 2011 Ed.): Srinivasan Gopalakrishnan, Massimo Ruzzene,... Computational Techniques for Structural Health Monitoring (Hardcover, 2011 Ed.)
Srinivasan Gopalakrishnan, Massimo Ruzzene, Sathyanaraya Hanagud
R4,586 Discovery Miles 45 860 Ships in 10 - 15 working days

The increased level of activity on structural health monitoring (SHM) in various universities and research labs has resulted in the development of new methodologies for both identifying the existing damage in structures and predicting the onset of damage that may occur during service. Designers often have to consult a variety of textbooks, journal papers and reports, because many of these methodologies require advanced knowledge of mechanics, dynamics, wave propagation, and material science. Computational Techniques for Structural Health Monitoring gives a one-volume, in-depth introduction to the different computational methodologies available for rapid detection of flaws in structures. Techniques, algorithms and results are presented in a way that allows their direct application. A number of case studies are included to highlight further the practical aspects of the selected topics. Computational Techniques for Structural Health Monitoring also provides the reader with numerical simulation tools that are essential to the development of novel algorithms for the interpretation of experimental measurements, and for the identification of damage and its characterization. Upon reading Computational Techniques for Structural Health Monitoring, graduate students will be able to begin research-level work in the area of structural health monitoring. The level of detail in the description of formulation and implementation also allows engineers to apply the concepts directly in their research.

IUTAM Symposium on Multi-Functional Material Structures and Systems - Proceedings of the the IUTAM Symposium on... IUTAM Symposium on Multi-Functional Material Structures and Systems - Proceedings of the the IUTAM Symposium on Multi-Functional Material Structures and Systems, Bangalore, India, December 10-12, 2008 (Hardcover, 2010 Ed.)
B. Dattaguru, Srinivasan Gopalakrishnan, V. K. Aatre
R4,717 Discovery Miles 47 170 Ships in 10 - 15 working days

For centuries it has been the desire of human beings to ?nd better and better materials to achieve a variety of bene?ts for the mankind. This has been in vogue from the stone-age. The recent revolution discovering Smart Materials and Fu- tionally Graded Materials is one of those attempts. These materials are inherently multi functionaland theyopenedup possibilities whichcouldnot beimaginedinthe past. Materials can take a particulartype of energystimulusas input andgeneratean output belonging to a different type of energy. Typical example has been materials on which a mechanical force can produce electrical output. We are in twenty?rst century where in materials Research will totally concentrate on these new concepts and exploit them for variety of applications. Structural Health Monitoring leading to safety of operationsis the primary applicationthe aerospace, mechanical, nuclear and civil engineers will be expecting from this research. The Micro- and Na- scale sensors and actuators form the basis for this technology and Departments of Science and Technology in all the countries are investing heavily on this highly potential ?eld. InIndia, thescienti?cgroupinthisareaisactiveforthepastdecade. Theyformed in 1999 a professional society named as Institute of Smart Structures & Systems (ISSS) which has been holding National and International seminars and also he- ing the government departments to fund research and development of relevance to this novel materials and structures. National Program on Smart Materials (NPSM) and the second phase program NPMASS are the consequences of these efforts.

Spectral Finite Element Method - Wave Propagation, Diagnostics and Control in Anisotropic and Inhomogeneous Structures... Spectral Finite Element Method - Wave Propagation, Diagnostics and Control in Anisotropic and Inhomogeneous Structures (Hardcover, 2008 ed.)
Srinivasan Gopalakrishnan, Abir Chakraborty, Debiprosad Roy Mahapatra
R4,567 Discovery Miles 45 670 Ships in 10 - 15 working days

In recent times, the use of composites and functionally graded materials (FGMs) in structural applications has increased. FGMs allow the user to design materials for a specified functionality and therefore have numerous uses in structural engineering. However, the behaviour of these structures under high-impact loading is not well understood. Spectral Finite Element Method: Wave Propagation, Health Monitoring and Control in Composite and Functionally Graded Structures focuses on some of the wave propagation and transient dynamics problems with this complex media which had previously been thought unmanageable.

By using state-off-the-art computational power, the Spectral Finite Element Method (SFEM) can solve many practical engineering problems. This book is the first to apply SFEM to inhomogeneous and anisotropic structures in a unified and systematic manner. The authors discuss the different types of SFEM for regular and damaged 1-D and 2-D waveguides, various solution techniques, different methods of detecting the presence of damages and their locations, and different methods available to actively control the wave propagation responses. The theory is supported by tables, figures and graphs; all the numerical examples are so designed to bring out the essential wave behaviour in these complex structures. Some case studies based on real-world problems are also presented.

This book is intended for senior undergraduate students and graduate students studying wave propagation in structures, smart structures, spectral finite element method and structural health monitoring. Readers will gain a complete understanding of how to formulate a spectral finite element; learn about wavebehaviour in inhomogeneous and anisotropic media; and, discover how to design some diagnostic tools for monitoring the health or integrity of a structure. This important contribution to the engineering mechanics research community will also be of value to researchers and practicing engineers in structural integrity.

Spectral Finite Element Method - Wave Propagation, Diagnostics and Control in Anisotropic and Inhomogeneous Structures... Spectral Finite Element Method - Wave Propagation, Diagnostics and Control in Anisotropic and Inhomogeneous Structures (Paperback, Softcover reprint of hardcover 1st ed. 2008)
Srinivasan Gopalakrishnan, Abir Chakraborty, Debiprosad Roy Mahapatra
R4,536 Discovery Miles 45 360 Ships in 10 - 15 working days

This book is the first to apply the Spectral Finite Element Method (SFEM) to inhomogeneous and anisotropic structures in a unified and systematic manner. Readers will gain understanding of how to formulate Spectral Finite Element; learn about wave behaviour in inhomogeneous and anisotropic media; and, be able to design some diagnostic tools for monitoring the health of a structure. Tables, figures and graphs support the theory and case studies are included.

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