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Author : Raino Mäkinen
Publisher : Unknown
Page : 20 pages
File Size : 41,7 Mb
Release : 1989
Category : Computer-aided design
ISBN : PSU:000016091818
Author : Carlos A. Mota Soares
Publisher : Springer Science & Business Media
Page : 1018 pages
File Size : 46,6 Mb
Release : 2012-12-06
Category : Computers
ISBN : 9783642830518
This book contains the edited version of lectures and selected papers presented at the NATO ADVANCED STUDY INSTITUTE ON COMPUTER AIDED OPTIMAL DESIGN: Structural and Mechanical Systems, held in Tr6ia, Portugal, 29th June to 11th July 1986, and organized by CEMUL -Center of Mechanics and Materials of the Technical University of Lisbon. The Institute was attended by 120 participants from 21 countries, including leading scientists and engineers from universities, research institutions and industry, and Ph.D. students. Some participants presented invited and contributed papers during the Institute and almost all participated actively in discussions on scientific aspects during the Institute. The Advanced Study Institute provided a forum for interaction among eminent scientists and engineers from different schools of thought and young reseachers. The Institute addressed the foundations and current state of the art of essential techniques related to computer aided optimal design of structural and mechanical systems, namely: Vari ational and Finite Element Methods in Optimal Design, Numerical Optimization Techniques, Design Sensitivity Analysis, Shape Optimal Design, Adaptive Finite Element Methods in Shape Optimization, CAD Technology, Software Development Techniques, Integrated Computer Aided Design and Knowledge Based Systems. Special topics of growing importance were also pre sented.
Author : Santiago Hernández,Alain J. Kassab,C. A. Brebbia
Publisher : Unknown
Page : 424 pages
File Size : 47,8 Mb
Release : 1999
Category : Computers
ISBN : UOM:39015047860062
In this text researchers from research centres and industry present current advances in structural optimization. The 35 papers include the following topics: shape and topology; optimization; optimal control; advances in numerical optimization; and emergent applications of design optimization.
Author : S. Hernandez,C. A. Brebbia
Publisher : WIT Press
Page : 273 pages
File Size : 54,7 Mb
Release : 2007
Category : Computers
ISBN : 9781845640705
Engineering design is enhanced by adding optimisation methods. Their influence cannot be over-emphasised. The resulting solutions provide an efficient way of dealing with some of the most difficult challenges in engineering practice today.Containing papers presented at the Tenth International Conference on this successful series on Optimum Design in Engineering, this book examines the recent development in advanced types of structures, particularly those based on new concepts and new types of materials resulting in optimum solutions. Particular emphasis is placed on computational methods to model, control and manage new structural solutions and material types. Featured topics include: Optimisation and Manufacturing; Structural Optimisation; Optimisation in Biomechanics; Shape and Topology Optimisation; Industrial examples of Design Optimisation; Fluid Structure Interaction; Damage and Fracture Mechanics; Composite Materials Optimisation; Optimum behavior of Fiber Reinforced Polymers; Aerospace Structures; Applications in Mechanical and car engineering; New Algorithms.
Author : Juan M. Peña
Publisher : Nova Publishers
Page : 258 pages
File Size : 49,7 Mb
Release : 1999
Category : Computers
ISBN : 1560726911
Presents recent important advances in the field of computer-aided geometric design in the study of shape-preserving representations of curves and surfaces. The volume's dozen papers are organized into five sections on: shape preserving representations of curves, optimality of B-bases, blossoming and geometric approach, shape preserving representations of surfaces, and trigonometric bases for the representation of curves and surfaces. The index spans the admissible (in design algorithms for spline curves) to the weak Chebyshev space and system. Contributors hail from six European countries. Annotation copyrighted by Book News, Inc., Portland, OR
Author : S. Hernandez,C. A. Brebbia,Willy Patrick Wilde
Publisher : WIT Press
Page : 293 pages
File Size : 44,8 Mb
Release : 2012
Category : Computers
ISBN : 9781845645984
Presenting the latest research discussed at the Twelfth International Conference on Computer Aided Optimum Design in Engineering, this book contains papers describing case studies in engineering; considering static, dynamic analysis and damage tolerance. Manufacturing and structural protection issues are discussed as well as emergent applications in fields such as biomechanics. Contributions also include numerical methods and different optimisation techniques.Nowadays, it is widely accepted that optimisation techniques have much to offer to those involved in the design of new industrial products. The formulation of optimum design has evolved from the time it was purely an academic topic, unable now to satisfy the requirements of real life prototypes. The development of new algorithms, the improvement of others, the appearance of powerful commercial computer codes with easy to use graphical interfaces and the revolution in the speed of computers has created a fertile field for the incorporation of optimisation in the design process in different engineering disciplines Topics covered include: Structural optimisation, Optimisation in biomechanics, Shape and topology optimisation, Industrial design optimisation cases, Evolutionary methods in design optimisation, Multi-level optimisation, Multidisciplinary optimisation, Reliability based optimisation, Material optimisation, Aerospace structures, Applications in mechanical and car engineering, New and enhanced formulations, Optimisation under extreme forces, Optimisation in aerodynamics, Optimisation in civil engineering, Life cost optimisation, Education issues in design optimisation, Commercial software for design optimisation.
Author : Zhiye Zhao
Publisher : Springer Science & Business Media
Page : 203 pages
File Size : 54,5 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9783642843822
This book investigates the various aspects of shape optimization of two dimensional continuum structures, including shape design sensitivity analysis, structural analysis using the boundary element method (BEM), and shape optimization implementation. The book begins by reviewing the developments of shape optimization, followed by the presentation of the mathematical programming methods for solving optimization problems. The basic theory of the BEM is presented which will be employed later on as the numerical tool to provide the structural responses and the shape design sensitivities. The key issue of shape optimization, the shape design sensitivity analy sis, is fully investigated. A general formulation of stress sensitivity using the continuum approach is presented. The difficulty of the modelling of the ad joint problem is studied, and two approaches are presented for the modelling of the adjoint problem. The first approach uses distributed loads to smooth the concentrated adjoint loads, and the second approach employs the singu larity subtraction method to remove the singular boundary displacements and tractions from the BEM equation. A novel finite difference based approach to shape design sensitivity is pre sented, which overcomes the two drawbacks of the conventional finite difference method. This approach has the advantage of being simple in concept, and eas ier implementation. A shape optimization program for two-dimensional continuum structures is developed, including structural analysis using the BEM, shape design sensitiv ity analysis, mathematical programming, and the design boundary modelling.
Author : Kuang-Hua Chang
Publisher : Academic Press
Page : 516 pages
File Size : 51,9 Mb
Release : 2014-10-11
Category : Technology & Engineering
ISBN : 9780123985163
The fourth book of a four-part series, Design Theory and Methods using CAD/CAE integrates discussion of modern engineering design principles, advanced design tools, and industrial design practices throughout the design process. This is the first book to integrate discussion of computer design tools throughout the design process. Through this book series, the reader will: Understand basic design principles and all digital modern engineering design paradigms Understand CAD/CAE/CAM tools available for various design related tasks Understand how to put an integrated system together to conduct All Digital Design (ADD) product design using the paradigms and tools Understand industrial practices in employing ADD virtual engineering design and tools for product development The first book to integrate discussion of computer design tools throughout the design process Demonstrates how to define a meaningful design problem and conduct systematic design using computer-based tools that will lead to a better, improved design Fosters confidence and competency to compete in industry, especially in high-tech companies and design departments
Author : John S. Gero
Publisher : North Holland
Page : 392 pages
File Size : 51,7 Mb
Release : 1985
Category : Computer-aided design
ISBN : UCAL:B3689631
Author : Nicholas M. Patrikalakis,Takashi Maekawa
Publisher : Springer Science & Business Media
Page : 428 pages
File Size : 47,8 Mb
Release : 2002-02-14
Category : Computers
ISBN : 3540424547
Shape interrogation is the process of extraction of information from a geometric model. It is a fundamental component of Computer Aided Design and Manufacturing (CAD/CAM) systems. The authors focus on shape interrogation of geometric models bounded by free-form surfaces. Free-form surfaces, also called sculptured surfaces, are widely used in the bodies of ships, automobiles and aircraft, which have both functionality and attractive shape requirements. Many electronic devices as well as consumer products are designed with aesthetic shapes, which involve free-form surfaces. This book provides the mathematical fundamentals as well as algorithms for various shape interrogation methods including nonlinear polynomial solvers, intersection problems, differential geometry of intersection curves, distance functions, curve and surface interrogation, umbilics and lines of curvature, geodesics, and offset curves and surfaces. This book will be of interest both to graduate students and professionals.
Author : Ian David Lockhart Bogle,Julius ?ilinskas
Publisher : World Scientific
Page : 238 pages
File Size : 54,8 Mb
Release : 2006
Category : Business & Economics
ISBN : 9789812569097
This book covers different topics on optimal design and operations with particular emphasis on chemical engineering applications. A wide range of optimization methods ? deterministic, stochastic, global and hybrid ? are considered.Containing papers presented at the bilateral workshop by British and Lithuanian scientists, the book brings together researchers' contributions from different fields ? chemical engineering including reaction and separation processes, food and biological production, as well as business cycle optimization, bankruptcy, protein analysis and bioinformatics.
Author : Santiago Hernández,C. A. Brebbia
Publisher : Unknown
Page : 700 pages
File Size : 54,6 Mb
Release : 1993
Category : Computer-aided design
ISBN : UVA:X004143296
Examines the new research on optimization taking place within the scientific community. Emphasis is placed on the numerous applications of the technique in industry for a variety of design problems in fields as diverse as offshore, mechanical, civil and aerospace engineering.
Author : Santiago Hernández,C. A. Brebbia
Publisher : Unknown
Page : 488 pages
File Size : 42,8 Mb
Release : 2005
Category : Structural optimization
ISBN : UOM:39015060897843
Author : John Cagnol,Michael P. Polis,Jean-Paul Zolesio
Publisher : CRC Press
Page : 458 pages
File Size : 41,9 Mb
Release : 2017-08-02
Category : Mathematics
ISBN : 0203904168
This volume presents developments and advances in modelling passive and active control systems governed by partial differential equations. It emphasizes shape analysis, optimal shape design, controllability, nonlinear boundary control, and stabilization. The authors include essential data on exact boundary controllability of thermoelastic plates with variable transmission coefficients.
Author : Bijan Mohammadi,Olivier Pironneau
Publisher : OUP Oxford
Page : 296 pages
File Size : 55,6 Mb
Release : 2009-09-24
Category : Mathematics
ISBN : 9780191574214
The fields of computational fluid dynamics (CFD) and optimal shape design (OSD) have received considerable attention in the recent past, and are of practical importance for many engineering applications. This new edition of Applied Shape Optimization for Fluids deals with shape optimization problems for fluids, with the equations needed for their understanding (Euler and Navier Strokes, but also those for microfluids) and with the numerical simulation of these problems. It presents the state of the art in shape optimization for an extended range of applications involving fluid flows. Automatic differentiation, approximate gradients, unstructured mesh adaptation, multi-model configurations, and time-dependent problems are introduced, and their implementation into the industrial environments of aerospace and automobile equipment industry explained and illustrated. With the increases in the power of computers in industry since the first edition, methods which were previously unfeasible have begun giving results, namely evolutionary algorithms, topological optimization methods, and level set algortihms. In this edition, these methods have been treated in separate chapters, but the book remains primarily one on differential shape optimization. This book is essential reading for engineers interested in the implementation and solution of optimization problems using commercial packages or in-house solvers and graduates and researchers in applied mathematics, aerospace, or mechanical engineering, fluid dynamics, and CFD. More generally, anyone needing to understand and solve design problems or looking for new exciting areas for research and development in this area will find this book useful, especially in applying the methodology to practical problems.