Optimizing the shape of mechanical elements and structures by Ali Seireg

Cover of: Optimizing the shape of mechanical elements and structures | Ali Seireg

Published by M. Dekker in New York .

Written in English

Read online

Subjects:

  • Structural optimization.,
  • Mechanical engineering.,
  • Shape theory (Topology),
  • Engineering design.

Edition Notes

Includes bibliographical references and indexes.

Book details

StatementA.A. Seireg, Jorge Rodriguez.
SeriesMechanical engineering ;, 105, Mechanical engineering (Marcel Dekker, Inc.) ;, 105.
ContributionsRodríguez, Jorge, 1956-
Classifications
LC ClassificationsTA658.8 .S45 1997
The Physical Object
Paginationxxxiii, 576 p. :
Number of Pages576
ID Numbers
Open LibraryOL968886M
ISBN 100824795555
LC Control Number96005420

Download Optimizing the shape of mechanical elements and structures

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The authors have carried out a first-class job of writing a good book in a difficult area of engineering mechanicswhole-heartedly recommend [ed] that Optimizing the Shape of Mechanical Elements and Structures be purchased by students, researchers, scholars, and engineersalso recommend [ed] that libraries all over the world buy copies of this excllent book.

Get this from a library. Optimizing the shape of mechanical elements and structures. [Ali Seireg; Jorge Rodríguez] -- This hands-on reference introduces a wide variety of practical approaches to the synthesis and optimization of shapes for mechanical elements and structures emphasizing the simplest methods possible.

Electronic books: Additional Physical Format: Print version: Seireg, Ali. Optimizing the shape of mechanical elements and structures. New York: M. Dekker, © (DLC) (OCoLC) Material Type: Document, Internet resource: Document Type: Internet Resource, Computer File: All Authors / Contributors: Ali Seireg; Jorge Rodríguez.

This textbook gives an introduction to all three classes of geometry optimization problems of mechanical structures: sizing, shape and topology optimization. The style is explicit and concrete, focusing on problem formulations and numerical solution methods.

The treatment is detailed enough to enable readers to write their own implementations. Generally, the aim is to achieve one such design that produces a optimized structure that is stiff enough to support the mechanical load and compliant enough in proper areas to release the thermal stress.

Select 5 - Integrated Layout and Topology Optimization. Book chapter Full text access. Numerous applications of optimization techniques to solving real life engineering problems that are highly constrained with multiple objectives have been addressed in the literature.

Important stage has now been reached at which an investigation of. Topology Design Methods for Structural Optimization provides engineers with a basic set of design tools for the development of 2D and 3D structures subjected to single and multi-load cases and experiencing linear elastic conditions.

Written by an expert team who has collaborated over the past decade to develop the methods presented, the book discusses essential theories with clear guidelines. Goal: High end vehicle shape optimization while improving car safety for fixed performance level and given geometric constraints Reference: G.

Lombardi, A. Vicere, H. Paap, G. Manacorda, “Optimized Aerodynamic Design for High Performance Cars”, AIAA, MAO Conference, St. Louis, Ferrari Spider Multidisciplinary Design. Abstract. The aims of this book are to present an overview of the design process and to introduce the technology and selection of a number of specific machine elements that are fundamental to a wide range of mechanical engineering design applications.

“This book represents a good introduction to structural optimization. It covers the main methods used for the optimization of discrete and distributed parametric systems. Due to numerous practical examples, this book can be strongly recommended to young specialists and students in mechanical engineering.” (Sergiu T.

Chiriacescu Cited by: ABOUT THE BOOK CONTENT This standard text-book Optimizing the shape of mechanical elements and structures book with its companion Vol. II is designed to cover the complete syl-labi of the subjects of Strength of Materials and Theory and Analysis of Structures.

The outline of the book is: Chapters 1 to 8 consist the study of Stresses and Strains Chapters 9 and 24 discuss the Testing of MaterialsFile Size: KB. Possibilities of Optimizing the Shape and Geometry of Castellated Beams Using Numerical and Experimental Modeling.

Miroslav Pástor 1, Jozef Bocko 1, Tomáš Kula 1, Cosmin-Stefan Roszkos 1. 1 Department of Applied Mechanics and Mechanical Engineering, Technical University of Košice, Faculty of Mechanical Engineering, Letná 9, Košice,SlovakiaCited by: 2.

An ultimately important enhancement to this guide is the chapter “Structural Optimization Background” written by Professor Axel Schumacher (University of Wuppertal, Faculty D, Mechanical Engineering, Chair for Optimization of Mechanical Structures) with the focus on general theoretical aspects of optimization.

Elements of Structural Optimization. in real mechanical applications, structures are subject to random vibrations and these vibrations can cause a fatigue damage. This paper concerns an Author: Zafer Gurdal. optimization is based on the usage of a SIMP material model.

This paper presents short pressurized beams subjected to static pressure. The presentation of the material is given in a 2D context. Bendsoe and Sigmunddescribed that the domain of high density then defines the shape of the mechanical element. Abstract. The aim of this paper is to present basic concepts and selected finite element based methods and tools for sensitivity analysis and rational engineering design and optimization of mechanical structures and by: The commercial shape optimization program entitled SHAPE is described.

Its scope, capabilities, and algorithm are outlined, together with an overview of the underlying theory. Examples of shape Cited by: 4. Topology Optimization of Components The topology of a component, e.g.

the position and arrangement of structural elements can influence the structural behavior fundamentally. A topology optimization must therefore be carried out in a very early stage of the design process.

Topology optimization is a widely used technique for deriving efficient structural layouts for components in many engineering fields. The optimization process deals with the definition of the Author: Weihong Zhang.

Advances in Structural Optimization presents the techniques for a wide set of applications, ranging from the problems of size and shape optimization (historically the first to be studied) to topology and material optimization.

Structural models are considered that use both discrete and finite elements. Structural materials can be classical or new. Automatic shape optimization of three-dimensional shell structures with large shape changes Computers & Structures, Vol. 49, No. 1 Design sensitivity analysis using the boundary element Cited by: Machine element refers to an elementary component of a elements consist of three basic types: structural components such as frame members, bearings, axles, splines, fasteners, seals, and lubricants,; mechanisms that control movement in various ways such as gear trains, belt or chain drives, linkages, cam and follower systems, including brakes and clutches, and.

Shape optimization is an extension of the previously developed concepts, and it considers not just straightforward dimensional changes, but general changes in shape as well. The shape of the structure is controlled via a set of design parameters that use a set of basis functions, which can describe quite arbitrary shapes.

The shape optimization problem consists in looking for the geometry that minimizes an objective function, like mass or compliance, subject to mechanical constraints. The boundary element method (BEM) is used for the structural analysis.

For linear elasticity problems, it needs only a mesh on the boundary of the structure. This work addresses various mathematical solution strategies adapted for design optimization of multiphase materials.

The goal is to improve the structural performance by optimizing the distribution of multiple phases that constitute the material. Examples include the optimization of multiphase materials and composites with spatially varying fiber paths using a finite element analysis by: 1.

A FreeFem++ Toolbox for shape optimization (geometry and topology) CMAP, Ecole Polytechnique, January We propose several FreeFem++ routines which allow the users to optimize the thickness, the geometry or the topology of elastic structures.

All examples are programmed in two space dimensions (a 3-d version is under current development). T1 - Method for shape and topology optimization of mechanical structures using genetic algorithm (2nd Report, On convergence of solutions of our method by adoption of removal and addition parameters of elements as chromosomes) AU - Tsuruta, Yasushi.

AU - Hasegawa, Hiroshi. AU - Kawamo, Keishi. PY - /1/1. Y1 - /1/1Cited by: 3. a two-level decomposition method for shape optimization of structures International Journal for Numerical Methods in Engineering, Vol. 40, No.

1 A parallel structural optimization method and its implementation on a Transtech ParamidCited by: Materials, an international, peer-reviewed Open Access journal. Dear Colleagues, Researchers are already applying optimization methods and the mechanics of structural elements in series, from the use of mechanical models to the description of objective functions, and finally to quantify the best solutions with the help of various optimization algorithms.

Engineering Structures provides a forum for a broad blend of scientific and technical papers to reflect the evolving needs of the structural engineering and structural mechanics communities. Particularly welcome are contributions dealing with applications of structural engineering and mechanics principles in all areas of journal aspires to a broad and integrated coverage of the.

Traditional topology optimization is usually carried out with approaches where structural boundaries are represented in an implicit way. The aim of the present paper is to develop a topology optimization framework where both the shape and topology of a structure can be obtained simultaneously through an explicit boundary description and by: 1 Introduction The design process of any mechanical part controls its global cost.

A welldesigned system will lead to money saving during the production phase and better machine life. Incorporate an optimization cycle into the design process is Keywords. genetic algorithms, shape optimization, finite element, hydroelectric by: 2. The application of artificial intelligence in the optimal design of mechanical systems boundary element method (BEM) and by the method of fundamental solutions (MFS).

The bio-inspired methods are applied to optimize shape, topology and material properties of 2D, 3D and coupled 2D/3D structures, to optimize the termomechanical structures, to Author: A Poteralski, M Szczepanik.

We present a method for the shape and topology optimization of truss-like structure. First, an initial design of a truss-like structure is constructed by a mesh generator of the finite element method because a truss-like structure can be described by a finite element mesh. Then, the shape and topology of the initial structure is : XiaQi, WangMichael Yu, ShiTielin.

Topology Optimization State-of-the-Art and Future Perspectives Ole Sigmund TopOpt-Group () direction for efficient wing structures.” Ole Sigmund, Mechanical Engineering, Solid Mechanics Technical University of Denmark million elements Ole Sigmund, Mechanical.

Design of Crash Structures. Predicting the properties of crash structures is often very difficult. Compared to the linear calculation, material-nonlinearity, large deformations and contact effects arise additionally.

No smooth structural properties exist. Mechanical Design Fundamentals K. Craig 5 Fundamental Principles • Understand them.

Associate images with them. • When you look at a machine or structure, try to see the fundamental principles in either action or missing. • With a deep knowledge of these fundamental principles, one can rapidly generate strategies andFile Size: 1MB. Advanced Shape and Topological Optimization.

Shape Optimization is a powerful aspect of product simulation that intelligently drives the shape of parts - improving robustness and efficiency. VR&D software enables engineers and scientists to efficiently analyze, design and improve structures.

In the automated design of mechanical systems by means of structural synthesis techniques, two cathegories of procedures, namely shape and sizing optimization, play different but equally important roles: the former is usually applied to the synthesis of solid modelled (in the finite element method sense) structures, by finding optimum positions for the model's nodes, and the later Author: Sergio Butkewitsch, Valder Steffen, Marcos Antônio Argentino.Shape optimization is part of the field of optimal control theory.

The typical problem is to find the shape which is optimal in that it minimizes a certain cost functional while satisfying given many cases, the functional being solved depends on the solution of a given partial differential equation defined on the variable domain.Topology optimization (TO) is a mathematical method that optimizes material layout within a given design space, for a given set of loads, boundary conditions and constraints with the goal of maximizing the performance of the system.

TO is different from shape optimization and sizing optimization in the sense that the design can attain any shape within the design space, instead of dealing with.

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