- Chandrakant S. Desai
- Mechanics of Materials and Interfaces - TechyLib
- Numerical Modeling on the Stress-Strain Behavior of Sand via Disturbed State Concept Model
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Obviously, the wide range of applications presented in this part of the book require some significant changes in the way the DSC is applied; but the basic principles remain visible throughout.
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The last block of the book addresses complementary but important topics. In Chapter 12, the issues of localization, mesh dependency and instability are discussed, unavoidable topics when softening or degradation is such a characteristic feature of the proposed models.
After reviewing various regularization techniques and non-local models, the author argues that the DSC approach provides a natural way of incorporating microcrack interaction effects that enable the formulation to deal successfully with the modeling of localization and the problem of mesh dependency.
Several examples are given of the use of the technique. The relationship between instability and localization is also examined. Finally, Chapter 13 deals with the implementation of DSC models in computer procedures, a necessary step before solving boundary value problems of engineering significance. The algorithms are described in increasing order of complexity, introducing new model features at each step.
Chandrakant S. Desai
A number of examples of static, repetitive and dynamic applications are presented related to geomechanics, structural mechanics, dynamics and liquefaction, pavement analysis, rock mechanics and chip-substrate systems in electronic packaging. In addition to the theoretical descriptions, the book gives proper attention to practical details such as the integration of the constitutive laws, the implementation in computer codes and the physical interpretation and determination of parameters.
In fact, there is an Appendix devoted to optimization techniques required for the efficient estimation of model parameters. The level of development of the models in the different areas considered is variable, reflecting the intensity of past and present research activity in each field. The overall impression, however, is of comprehensiveness and consistency with the basic principles outlined at the start of the book. Obviously, the DSC has proved very fertile and flexible for application to a very wide range of issues in the field of material behavior.
It is likely that the approach will be extended to new types of materials from different disciplines, taking advantage of the general and unified nature of the DSC. For instance, it is found to be highly successful for characterizing materials and joints, and for computer design and reliability in electronic packaging, a high tech and important industrial area. The book should appeal to the postgraduate student, researcher and practitioner interested in the theoretical and practical aspects of constitutive modeling and material science, not exclusively in the civil engineering field.
Indeed it should also prove rewarding to those interested in the more basic philosophical concepts underlying some current developments in Engineering Science. Sign In or Create an Account. Sign In.
Mechanics of Materials and Interfaces - TechyLib
Advanced Search. Article Navigation. Book Reviews. Desai,, Author Chandrakant S. Desai,, Author. This Site. Google Scholar. Dec , 4 : 1 pages. Published Online: December 1, Standard View Views Icon Views. Issue Section:. Universidad Politechnica de Catalunya, Spain.
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Volume , Issue 4. Previous Article. This text therefore is designed to prepare undergraduates and practicing engineers with bachelors degrees both to solve their specific problems and to read further in the current finite element literature. It is assumed that the reader has some background in the diverse mathematical fields associated with the finite element method; matrix algebra mechanics variation methods and computer skills.
Numerical Modeling on the Stress-Strain Behavior of Sand via Disturbed State Concept Model
The book is divided into three parts; introduction and background material a description of the method and applications. A relatively simple computer code is included in appendix i. At the end of each chapter bibliographic information is provided in two sections references and further reading. A brief descriptive commentary is included with most ef the references cited. Abbreviations used in the references are summarized in appendix ii. Part a is incorported both to guide the reader to useful texts on the background material and to summarize without detailed derivations the methods and equations that are employed in parts band c.
Desai, Chandrakant S.
Son of Sankalchand P. Kothari Desai. Bachelor of Engineering, University Bombay, Arizona, Tucson, ; Regent's professor, U.
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Chandrakant S. Desai has been listed as a noteworthy engineering, educator by Marquis Who's Who. Trustee Deep Founds. Institute, Back to Profile.
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