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To predict loading limits for structures and structural elements is one of the oldest and most important tasks of engineers. Among the theoretical and numericalmethodsavailableforthispurpose,so-called“DirectMethods”,- bracing Limit- and Shakedown Analysis, play an eminent role due to the fact that they allow rapid access to the requested information in mathematically constructive manners. The collection of papers in this book is the outcome of a workshop held at Aachen University of Technology in November 2007. The individual c- tributions stem in particular from the areas of new numerical developments renderingthemethodsmoreattractive forindustrialdesign,extensionsofthe general methodology to new horizons of application, probabilistic approaches and concrete technological applications. The papers are arranged according to the order of the presentations in the workshop and give an excellent insight into state-of-the-art developments in this broad and growing ?eld of research. The editors warmly thank all the scientists, who have contributed by their outstanding papers to the quality of this edition. Special thanks go to Jaan Simon for his great help in putting together the manuscript to its ?nal shape.
Knowing the safety factor for limit states such as plastic collapse, low cycle fatigue or ratcheting is always a major design consideration for civil and mechanical engineering structures that are subjected to loads. Direct methods of limit or shakedown analysis that proceed to directly find the limit states offer a better alternative than exact time-stepping calculations as, on one hand, an exact loading history is scarcely known, and on the other they are much less time-consuming. This book presents the state of the art on various topics concerning these methods, such as theoretical advances in limit and shakedown analysis, the development of relevant algorithms and computational procedures, sophisticated modeling of inelastic material behavior like hardening, non-associated flow rules, material damage and fatigue, contact and friction, homogenization and composites.
To predict loading limits for structures and structural elements is one of the oldest and most important tasks of engineers. Among the theoretical and numericalmethodsavailableforthispurpose,so-called“DirectMethods”,- bracing Limit- and Shakedown Analysis, play an eminent role due to the fact that they allow rapid access to the requested information in mathematically constructive manners. The collection of papers in this book is the outcome of a workshop held at Aachen University of Technology in November 2007. The individual c- tributions stem in particular from the areas of new numerical developments renderingthemethodsmoreattractive forindustrialdesign,extensionsofthe general methodology to new horizons of application, probabilistic approaches and concrete technological applications. The papers are arranged according to the order of the presentations in the workshop and give an excellent insight into state-of-the-art developments in this broad and growing ?eld of research. The editors warmly thank all the scientists, who have contributed by their outstanding papers to the quality of this edition. Special thanks go to Jaan Simon for his great help in putting together the manuscript to its ?nal shape.
This book provides an overview of direct methods, such as limit and shakedown analysis, which are intended for avoiding cumbersome step-by-step calculations to determine the limit states of mechanical structures under monotone, cyclic or variable actions with unknown loading history. The book comprises several contributions that demonstrate how tremendous advances in numerical methods, especially in optimization, have contributed to the success of direct methods and their applicability to practical engineering problems in structural mechanics and mechanics of materials. The contents reflect the outcomes of the workshop “Direct Methods for Limit State of Materials and Structures,” held in Cosenza, Italy in June 2022.
Hardbound. The rapid developments in glassmaking over the past decades, and inevitably in the future, have necessitated the production of increasing quantities of materials resistant to high temperatures, and to gases and molten glasses, usually aggressive by nature. Appropriate physical and mechanical properties are also essential. General metals and their alloys, as well as non-ferrous and noble metals and their oxides, carbides, borides, nitrides, or non-traditional mixtures of metals and ceramics - the cermets, graphites and composite materials - can perform satisfactorily in most cases. However, correct matching of metal and glass is vital.The aim of this book is to show the very many potential uses of metals in glassmaking, and give a comprehensive review of the well-known and generally valid principles of application; a wealth of graphs, tables, figures, evaluations of structures and examples of practical applications are provided. The main poi
Collection of selected, peer reviewed papers from the 2013 International Conference on Applied Mechanics, Materials, and Manufacturing (AMMM 2013), August 17-18, 2013, Hong Kong, China. The 121 papers are grouped as follows: Chapter 1: Applied Mechanics and Engineering Methods; Chapter 2: Materials Science and Applications, Materials Processing Technology; Chapter 3: Advanced Manufacturing and Design Technologies; Chapter 4: CAD Applications for Materials and Manufacturing, Networks, Information Technologies and Software Applications.
The well-regarded materials science textbook, updated for enhanced learning and current content Mechanics of Materials: An Integrated Learning System, 5th Edition helps engineering students visualize how materials move and change better than any other course available. This text focuses on helping learners develop practical skills, encouraging them to recognize fundamental concepts relevant to specific situations, identify equations needed to solve problems, and engage critically with literature in the field. In this new edition, hundreds of new problems—including over 200 problems with video solutions—have been added to enhance the flexibility and robustness of the course. With WileyPLUS, this course contains a rich selection of online content and interactive materials, including animations, tutorial videos, and worked problems—many of which are new and expanded in this 5th Edition. An emphasis on critical thinking forms the foundation of Mechanics of Materials in this revised edition. From basic concepts of stress and strain to more advanced topics like beam deflections and combined loads, this book provides students with everything they need to embark on successful careers in materials and mechanical engineering. Introduces students to the core concepts of material mechanics and presents the latest methods and current problems in the field Adds hundreds of new and revised problems, 200+ new video solutions, and over 400 new EQAT coded algorithmic problems Emphasizes practical skills and critical thinking, encouraging learners to devise effective methods of solving example problems Contains updates and revisions to reflect the current state of the discipline and to enhance the breadth of course content Includes access to interactive animations, demonstration videos, and step-by-step problem solutions with WileyPLUS online environment With added flexibility and opportunities for course customization, Mechanics of Materials provides excellent value for instructors and students alike. Learners will stay engaged and on track, gaining a solid and lasting understanding of the subject matter.
This book summarizes the main methods of experimental stress analysis and examines their application to various states of stress of major technical interest, highlighting aspects not always covered in the classic literature. It is explained how experimental stress analysis assists in the verification and completion of analytical and numerical models, the development of phenomenological theories, the measurement and control of system parameters under operating conditions, and identification of causes of failure or malfunction. Cases addressed include measurement of the state of stress in models, measurement of actual loads on structures, verification of stress states in circumstances of complex numerical modeling, assessment of stress-related material damage, and reliability analysis of artifacts (e.g. prostheses) that interact with biological systems. The book will serve graduate students and professionals as a valuable tool for finding solutions when analytical solutions do not exist.
Composite materials and structures are extremely complex systems. Their analysis and design is therefore best achieved through the use of computational methods. Comprising reports from engineers and scientists involved in integrating these two important technologies for the advancement of science, engineering and society, this volume features the proceedings of the Seventh International Conference on Computer Methods in Composite Materials and Structures. Topics relating to the simulation, modelling and experimentation of composite materials, as well as the design and analysis of composite structures are covered.