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Author: L. Icerman
Publisher:
ISBN:
Category : Structural dynamics
Languages : en
Pages : 128
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Book Description
Author: L. Icerman
Publisher:
ISBN:
Category : Structural dynamics
Languages : en
Pages : 128
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Book Description
Author: Nikolai Vladimirovich Banichuk
Publisher: Springer Science & Business Media
ISBN: 1461336767
Category : Computers
Languages : en
Pages : 326
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Book Description
The author offers a systematic and careful development of many aspects of structural optimization, particularly for beams and plates. Some of the results are new and some have appeared only in specialized Soviet journals, or as pro ceedings of conferences, and are not easily accessible to Western engineers and mathematicians. Some aspects of the theory presented here, such as optimiza tion of anisotropic properties of elastic structural elements, have not been con sidered to any extent by Western research engineers. The author's treatment is "classical", i.e., employing classical analysis. Classical calculus of variations, the complex variables approach, and the Kolosov Muskhelishvili theory are the basic techniques used. He derives many results that are of interest to practical structural engineers, such as optimum designs of structural elements submerged in a flowing fluid (which is of obvious interest in aircraft design, in ship building, in designing turbines, etc.). Optimization with incomplete information concerning the loads (which is the case in a great majority of practical design considerations) is treated thoroughly. For example, one can only estimate the weight of the traffic on a bridge, the wind load, the additional loads if a river floods, or possible earthquake loads.
Author: Raymond H. Plaut
Publisher:
ISBN:
Category :
Languages : en
Pages : 26
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Book Description
Considered in this paper are problems of optimal structural design for minimum static deflection, minimum dynamic deflection, maximum fundamental frequency, and maximum stability. A procedure based on the Ritz method is proposed which yields approximate solutions to these problems when the design is characterized by a discrete set of design parameters. Examples involving elastic beams and rods are presented to demonstrate the applicability and efficiency of the procedure. (Author).
Author: Raphael T. Haftka
Publisher: Springer Science & Business Media
ISBN: 9401125503
Category : Technology & Engineering
Languages : en
Pages : 481
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Book Description
The field of structural optimization is still a relatively new field undergoing rapid changes in methods and focus. Until recently there was a severe imbalance between the enormous amount of literature on the subject, and the paucity of applications to practical design problems. This imbalance is being gradually redressed. There is still no shortage of new publications, but there are also exciting applications of the methods of structural optimizations in the automotive, aerospace, civil engineering, machine design and other engineering fields. As a result of the growing pace of applications, research into structural optimization methods is increasingly driven by real-life problems. t-.Jost engineers who design structures employ complex general-purpose software packages for structural analysis. Often they do not have any access to the source program, and even more frequently they have only scant knowledge of the details of the structural analysis algorithms used in this software packages. Therefore the major challenge faced by researchers in structural optimization is to develop methods that are suitable for use with such software packages. Another major challenge is the high computational cost associated with the analysis of many complex real-life problems. In many cases the engineer who has the task of designing a structure cannot afford to analyze it more than a handful of times.
Author: George I. N. Rozvany
Publisher: Springer Science & Business Media
ISBN: 9400911610
Category : Technology & Engineering
Languages : en
Pages : 488
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Book Description
"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.
Author: G. I. N. Rozvany
Publisher: Elsevier
ISBN: 1483139417
Category : Technology & Engineering
Languages : en
Pages : 314
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Book Description
Optimal Design of Flexural Systems: Beams, Grillages, Slabs, Plates and Shells covers theoretical developments and optimal solutions for all boundary conditions that may be of practical or theoretical interest in the design of flexural systems. Organized into nine chapters, this book begins with a review of certain fundamental concepts of mechanics, calculus of variations, and optimal design. Subsequent chapters discuss in considerable details the theories of optimal plastic design, as well as the elastic and prestressed systems. Other chapters describe the theory of optimal flexure fields that give an absolute minimum statically admissible ""moment volume"" for plane systems, as well as the slabs and grillages optimized within various types of geometrical constraints. The last chapter evaluates experimental work and certain practical aspects of the optimization of flexural systems. This book will be of interest to graduate students, research workers, practicing engineers, and architects in structural engineering, architectural science, aerospace technology, solid mechanics, and applied mathematics.
Author: Andrzej M Brandt
Publisher: Springer Science & Business Media
ISBN: 9789024725151
Category : Science
Languages : en
Pages : 560
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Book Description
This book is intended to serve all those who are interested in structural opti mization, whether they work in this field or study it for other purposes. Rapid growth of interest in the cognitive aspects of optimization and the increas ing demands that the present day engineer has to meet in modern design have created the need of a monographic treatment of the subject. The vast number and wide range of structural optimization problems formulated and investigated in the last twenty years call for an attempt to sum up the pres ent state of knowledge in this domain and to outline the directions of its further development. The present authors undertook this task, hoping that the result would stimulate further work towards finding new methods and solutions and increasing the range of applications of the optimization methods to structural design. The immediate aim of the book is to present the basic criteria and methods of optimization and to provide a reference guide to the most important publications in the field. 'The book consists of fourteen chapters. Chapter 1 introduces the basic concepts, definitions and assumptions relating to structural optimization. Chapter 2 gives the foundations of optimization for minimum elastic strain potential or maximum rigidity, and sets a basis for optimization of bar, plate and lattice structures. Chapter 3 presents criteria of strength design and their applications to plane structures.
Author: Ovadia E. Lev
Publisher:
ISBN:
Category : Optimización estructural
Languages : en
Pages : 236
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Book Description
Author: Tiruvadi S. Ravigururajan
Publisher:
ISBN:
Category :
Languages : en
Pages : 86
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Book Description
Author: Oscar Sircovich-Saar
Publisher: WIT Press
ISBN: 1845641612
Category : Technology & Engineering
Languages : en
Pages : 209
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Book Description
This book is a practitioner-friendly approach to dynamics on structural design, oriented to facilitate understanding of complicated issues without their elaborate mathematical formulations.While the chapters follow logically from one another, each one deals independently with a subject in structural dynamics; this approach allows the engineer to go directly to the topic of his or her interest at a given moment.Throughout each chapter the reader will find the text set in two different forms, for different levels of the topic in consideration, which will enable him to postpone for a second reading deeper explanations.Conceived as practical support for engineers whenever they want to review a subject related to dynamics in the practice of structural design, this book can be of great help for students of engineering.
