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BOOK EXCERPT:
The book covers the theory of Michell structures being the lightest and fully stressed systems of bars, designed within a given domain, possibly within the whole space, transmitting a given load towards a given support. Discovered already in 1904 by A.G.M. Michell, the structures named after him have attracted constant attention due to their peculiar feature of disclosing the optimal streams of stresses equilibrating a given load and thus determining the optimal layout of bars. The optimal layouts emerge from among all possible structural topologies, thus constituting unique designs being simultaneously light and stiff. The optimal structures turn out to be embedded in optimal vector fields covering the whole feasible domain. Key features include: a variationally consistent theory of bar systems, thin plates in bending and membrane shells; recapitulation of the theory of optimum design of trusses of minimum weight or of minimal compliance; the basis of 2D Michell theory for a single load case; kinematic and static approaches; 2D benchmark constructions including Hemp’s structures and optimal cantilevers; L-shape domain problems, three forces problem in 2D, bridge problems; revisiting the old - and delivering new - 3D benchmark solutions; extension to multiple load conditions; Prager-Rozvany grillages; the theory of funiculars and archgrids; the methods of optimum design of shape and material inspired by the theory of Michell structures, industrial applications. The book can be useful for graduate students, professional engineers and researchers specializing in the Optimum Design and in Topology Optimization in general.
Product Details :
Genre |
: Science |
Author |
: Tomasz Lewiński |
Publisher |
: Springer |
Release |
: 2018-09-27 |
File |
: 582 Pages |
ISBN-13 |
: 9783319951805 |
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Product Details :
Genre |
: Loads (Mechanics) |
Author |
: Dhanjoo N. Ghista |
Publisher |
: |
Release |
: 1968 |
File |
: 36 Pages |
ISBN-13 |
: UIUC:30112106871954 |
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BOOK EXCERPT:
This book deals with an interface between mechanical engineering and biology. It reviews biological structural materials and systems and their mechanically important features and demonstrates that function at any particular level of biological integration is permitted and controlled by structure at lower levels of integration.
Product Details :
Genre |
: Science |
Author |
: Stephen A. Wainwright |
Publisher |
: Princeton University Press |
Release |
: 1982-07-21 |
File |
: 444 Pages |
ISBN-13 |
: 0691083088 |
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BOOK EXCERPT:
Product Details :
Genre |
: Strains and stresses |
Author |
: D. M. Richards |
Publisher |
: |
Release |
: 1966 |
File |
: 32 Pages |
ISBN-13 |
: IND:30000063990497 |
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BOOK EXCERPT:
Product Details :
Genre |
: |
Author |
: |
Publisher |
: |
Release |
: 1968 |
File |
: 544 Pages |
ISBN-13 |
: MINN:31951000846125J |
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BOOK EXCERPT:
"During the last two decades, research on structural optimization became increasingly concerned with two aspects: the application of general numeri cal methods of optimization to structural design of complex real structures, and the analytical derivation of necessary and sufficient conditions for the optimality of broad classes of comparatively simple and more or less ideal ized structures. Both kinds of research are important: the first for obvious reasons; the second, because it furnishes information that is useful in testing the validity, accuracy and convergence of numerical methods and in assess ing the efficiency of practical designs. {raquo} (Prager and Rozvany, 1977a) The unexpected death of William Prager in March 1980 marked, in a sense, the end of an era in structural mechanics, but his legacy of ideas will re main a source of inspiration for generations of researchers to come. Since his nominal retirement in the early seventies, Professor and Mrs. Prager lived in Savognin, an isolated alpine village and ski resort surrounded by some of Switzerland's highest mountains. It was there that the author's close as sociation with Prager developed through annual pilgrimages from Australia and lengthy discussions which pivoted on Prager's favourite topic of struc tural optimization. These exchanges took place in the picturesque setting of Graubunden, on the terrace of an alpine restaurant overlooking snow-capped peaks, on ski-lifts or mountain walks, or during evening meals in the cosy hotels of Savognin, Parsonz and Riom.
Product Details :
Genre |
: Technology & Engineering |
Author |
: George I. N. Rozvany |
Publisher |
: Springer Science & Business Media |
Release |
: 2012-12-06 |
File |
: 488 Pages |
ISBN-13 |
: 9789400911611 |
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BOOK EXCERPT:
These proceedings cover the fields of different materials and fatigue of welded joints, thin-walled structures, tubular structures, frames, plates and shells and also incorporate special optimization problems, fire and earthquake resistant design, special applications and applied mechanics, and thus provide an important reference for civil and mechanical engineers, architects, designers and fabricators. - Proceedings cover the fields of different materials and fatigue of welded joints, thin-walled structures, tubular structures, frames, plates and shells - Also incorporate special optimization problems, fire and earthquake resistant design, special applications and applied mechanics - Provide an important reference for civil and mechanical engineers, architects, designers and fabricators
Product Details :
Genre |
: Technology & Engineering |
Author |
: K Jarmai |
Publisher |
: Elsevier |
Release |
: 2008-04-01 |
File |
: 593 Pages |
ISBN-13 |
: 9781782420484 |
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BOOK EXCERPT:
Shells are basic structural elements of modern technology and everyday life. Examples of shell structures in technology include automobile bodies, water and oil tanks, pipelines, silos, wind turbine towers, and nanotubes. Nature is full of living shells such as leaves of trees, blooming flowers, seashells, cell membranes or wings of insects. In the human body arteries, the eye shell, the diaphragm, the skin and the pericardium are all shells as well. Shell Structures: Theory and Applications, Volume 4 contains 132 contributions presented at the 11th Conference on Shell Structures: Theory and Applications (Gdansk, Poland, 11-13 October 2017). The papers reflect a wide spectrum of scientific and engineering problems from theoretical modelling through strength, stability and dynamic behaviour, numerical analyses, biomechanic applications up to engineering design of shell structures. Shell Structures: Theory and Applications, Volume 4 will be of interest to academics, researchers, designers and engineers dealing with modelling and analyses of shell structures. It may also provide supplementary reading to graduate students in Civil, Mechanical, Naval and Aerospace Engineering.
Product Details :
Genre |
: Technology & Engineering |
Author |
: Wojciech Pietraszkiewicz |
Publisher |
: CRC Press |
Release |
: 2017-10-30 |
File |
: 574 Pages |
ISBN-13 |
: 9781351680486 |
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BOOK EXCERPT:
Topology optimization is a relatively new and rapidly expanding field of structural mechanics. It deals with some of the most difficult problems of mechanical sciences but it is also of considerable practical interest, because it can achieve much greater savings than mere cross-section or shape optimization.
Product Details :
Genre |
: Technology & Engineering |
Author |
: G.I.N. Rozvany |
Publisher |
: Springer |
Release |
: 2014-05-04 |
File |
: 325 Pages |
ISBN-13 |
: 9783709125663 |
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BOOK EXCERPT:
BIM for Structural Engineering and Architecture Building Information Modeling: Framework for Structural Design outlines one of the most promising new developments in architecture, engineering, and construction (AEC). Building information modeling (BIM) is an information management and analysis technology that is changing the role of computation in the architectural and engineering industries. The innovative process constructs a database assembling all of the objects needed to build a specific structure. Instead of using a computer to produce a series of drawings that together describe the building, BIM creates a single illustration representing the building as a whole. This book highlights the BIM technology and explains how it is redefining the structural analysis and design of building structures. BIM as a Framework Enabler This book introduces a new framework—the structure and architecture synergy framework (SAS framework)—that helps develop and enhance the understanding of the fundamental principles of architectural analysis using BIM tools. Based upon three main components: the structural melody, structural poetry, and structural analysis, along with the BIM tools as the frame enabler, this new framework allows users to explore structural design as an art while also factoring in the principles of engineering. The framework stresses the influence structure can play in form generation and in defining spatial order and composition. By highlighting the interplay between architecture and structure, the book emphasizes the conceptual behaviors of structural systems and their aesthetic implications and enables readers to thoroughly understand the art and science of whole structural system concepts. Presents the use of BIM technology as part of a design process or framework that can lead to a more comprehensive, intelligent, and integrated building design Places special emphasis on the application of BIM technology for exploring the intimate relationship between structural engineering and architectural design Includes a discussion of current and emerging trends in structural engineering practice and the role of the structural engineer in building design using new BIM technologies Building Information Modeling: Framework for Structural Design provides a thorough understanding of architectural structures and introduces a new framework that revolutionizes the way building structures are designed and constructed.
Product Details :
Genre |
: Technology & Engineering |
Author |
: Nawari O. Nawari |
Publisher |
: CRC Press |
Release |
: 2015-05-01 |
File |
: 412 Pages |
ISBN-13 |
: 9781138024823 |