Performance Based Optimization Of Structures

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Performance-Based Optimization of Structures

Qing Quan Liang
Performance Based Optimization of Structures Book PDF

Author : Qing Quan Liang
Publisher : CRC Press
Page : 281 pages
File Size : 48,8 Mb
Release : 2005-02-25
Category : Architecture
ISBN : 9780203334713

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Performance-Based Optimization of Structures by Qing Quan Liang Pdf

Performance-Based Optimization of Structures introduces a method to bridge the gap between structural optimization theory and its practical application to structural engineering. The Performance-Based Optimization (PBO) method combines modern structural optimisation theory with performance based design concepts to produce a powerful technique for use in structural design. This book provides the latest PBO techniques for achieving optimal topologies and shapes of continuum structures with stress, displacement and mean compliance constraints. The emphasis is strongly placed on practical applications of automated PBO techniques to the strut-and-tie modelling of structural concrete, which includes reinforced and prestressed concrete structures. Basic concepts underlying the development of strut-and-lie models, design optimization procedure, and detailing of structural concrete are described in detail. Alternative approaches to topology optimization are also introduced. The book contains numerous practical design examples illustrating the nature of the load transfer mechanism of structures.

Performance-based Optimization of Structures

Liang Quan
Performance based Optimization of Structures Book PDF

Author : Liang Quan
Publisher : Unknown
Page : 128 pages
File Size : 41,5 Mb
Release : 2004
Category : Electronic
ISBN : OCLC:1099316991

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Performance-based Optimization of Structures by Liang Quan Pdf

Performance-Based Optimization of Structures introduces a method to bridge the gap between structural optimization theory and its practical application to structural engineering. The Performance-Based Optimization (PBO) method combines modern structural optimisation theory with performance based design concepts to produce a powerful technique for use in structural design. This book provides the latest PBO techniques for achieving optimal topologies and shapes of continuum structures with stress, displacement and mean compliance constraints. The emphasis is strongly placed on practical applicat.

Bionic Optimization in Structural Design

Rolf Steinbuch,Simon Gekeler
Bionic Optimization in Structural Design Book PDF

Author : Rolf Steinbuch,Simon Gekeler
Publisher : Springer
Page : 169 pages
File Size : 41,8 Mb
Release : 2015-11-04
Category : Technology & Engineering
ISBN : 9783662465967

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Bionic Optimization in Structural Design by Rolf Steinbuch,Simon Gekeler Pdf

The book provides suggestions on how to start using bionic optimization methods, including pseudo-code examples of each of the important approaches and outlines of how to improve them. The most efficient methods for accelerating the studies are discussed. These include the selection of size and generations of a study’s parameters, modification of these driving parameters, switching to gradient methods when approaching local maxima, and the use of parallel working hardware. Bionic Optimization means finding the best solution to a problem using methods found in nature. As Evolutionary Strategies and Particle Swarm Optimization seem to be the most important methods for structural optimization, we primarily focus on them. Other methods such as neural nets or ant colonies are more suited to control or process studies, so their basic ideas are outlined in order to motivate readers to start using them. A set of sample applications shows how Bionic Optimization works in practice. From academic studies on simple frames made of rods to earthquake-resistant buildings, readers follow the lessons learned, difficulties encountered and effective strategies for overcoming them. For the problem of tuned mass dampers, which play an important role in dynamic control, changing the goal and restrictions paves the way for Multi-Objective-Optimization. As most structural designers today use commercial software such as FE-Codes or CAE systems with integrated simulation modules, ways of integrating Bionic Optimization into these software packages are outlined and examples of typical systems and typical optimization approaches are presented. The closing section focuses on an overview and outlook on reliable and robust as well as on Multi-Objective-Optimization, including discussions of current and upcoming research topics in the field concerning a unified theory for handling stochastic design processes.

Structural Design Optimization Considering Uncertainties

Yannis Tsompanakis,Nikos D. Lagaros,Manolis Papadrakakis
Structural Design Optimization Considering Uncertainties Book PDF

Author : Yannis Tsompanakis,Nikos D. Lagaros,Manolis Papadrakakis
Publisher : CRC Press
Page : 670 pages
File Size : 41,9 Mb
Release : 2008-02-07
Category : Technology & Engineering
ISBN : 9780203938522

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Structural Design Optimization Considering Uncertainties by Yannis Tsompanakis,Nikos D. Lagaros,Manolis Papadrakakis Pdf

Uncertainties play a dominant role in the design and optimization of structures and infrastructures. In optimum design of structural systems due to variations of the material, manufacturing variations, variations of the external loads and modelling uncertainty, the parameters of a structure, a structural system and its environment are not given, fi

Structural Seismic Design Optimization and Earthquake Engineering: Formulations and Applications

Plevris, Vagelis
Structural Seismic Design Optimization and Earthquake Engineering Formulations and Applications Book PDF

Author : Plevris, Vagelis
Publisher : IGI Global
Page : 456 pages
File Size : 41,9 Mb
Release : 2012-05-31
Category : Technology & Engineering
ISBN : 9781466616417

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Structural Seismic Design Optimization and Earthquake Engineering: Formulations and Applications by Plevris, Vagelis Pdf

Throughout the past few years, there has been extensive research done on structural design in terms of optimization methods or problem formulation. But, much of this attention has been on the linear elastic structural behavior, under static loading condition. Such a focus has left researchers scratching their heads as it has led to vulnerable structural configurations. What researchers have left out of the equation is the element of seismic loading. It is essential for researchers to take this into account in order to develop earthquake resistant real-world structures. Structural Seismic Design Optimization and Earthquake Engineering: Formulations and Applications focuses on the research around earthquake engineering, in particular, the field of implementation of optimization algorithms in earthquake engineering problems. Topics discussed within this book include, but are not limited to, simulation issues for the accurate prediction of the seismic response of structures, design optimization procedures, soft computing applications, and other important advancements in seismic analysis and design where optimization algorithms can be implemented. Readers will discover that this book provides relevant theoretical frameworks in order to enhance their learning on earthquake engineering as it deals with the latest research findings and their practical implementations, as well as new formulations and solutions.

Topology Optimization in Engineering Structure Design

Jihong Zhu,Tong Gao
Topology Optimization in Engineering Structure Design Book PDF

Author : Jihong Zhu,Tong Gao
Publisher : Elsevier
Page : 294 pages
File Size : 54,7 Mb
Release : 2016-11-08
Category : Technology & Engineering
ISBN : 9780081021194

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Topology Optimization in Engineering Structure Design by Jihong Zhu,Tong Gao Pdf

Topology Optimization in Engineering Structure Design explores the recent advances and applications of topology optimization in engineering structures design, with a particular focus on aircraft and aerospace structural systems. To meet the increasingly complex engineering challenges provided by rapid developments in these industries, structural optimization techniques have developed in conjunction with them over the past two decades. The latest methods and theories to improve mechanical performances and save structural weight under static, dynamic and thermal loads are summarized and explained in detail here, in addition to potential applications of topology optimization techniques such as shape preserving design, smart structure design and additive manufacturing. These new design strategies are illustrated by a host of worked examples, which are inspired by real engineering situations, some of which have been applied to practical structure design with significant effects. Written from a forward-looking applied engineering perspective, the authors not only summarize the latest developments in this field of structure design but also provide both theoretical knowledge and a practical guideline. This book should appeal to graduate students, researchers and engineers, in detailing how to use topology optimization methods to improve product design. Combines practical applications and topology optimization methodologies Provides problems inspired by real engineering difficulties Designed to help researchers in universities acquire more engineering requirements

Recent Advances in Optimal Structural Design

Scott A. Burns
Recent Advances in Optimal Structural Design Book PDF

Author : Scott A. Burns
Publisher : ASCE Publications
Page : 396 pages
File Size : 54,6 Mb
Release : 2002-01-01
Category : Technology & Engineering
ISBN : 0784475245

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Recent Advances in Optimal Structural Design by Scott A. Burns Pdf

Sponsored by the Technical Committee on Structural Design of the Technical Administrative Committee on Analysis and Computation of the Technical Activities Division of the Structural Engineering Institute of ASCE. This report documents the dramatic new developments in the field of structural optimization over the last two decades. Changes in both computational techniques and applications can be seen by developments in computational methods and solution algorithms, the role of optimization during the various stages of structural design, and the stochastic nature of design in relation to structural optimization. Topics include: Ømethods for discrete variable structural optimization; Ødecomposition methods in structural optimization; Østate of the art on the use of genetic algorithms in design of steel structures; Øconceptual design optimization of engineering structures; Øtopology and geometry optimization of trusses and frames; Øevolutionary structural optimization; Ødesign and optimization of semi-rigid framed structures; Øoptimized performance-based design for buildings; Ømulti-objective optimum design of seismic-resistant structures; and Øreliability- and cost-oriented optimal bridge maintenance planning. The book concludes with an extensive bibliography of journal papers on structural optimization published between 1987 and 1999.

Topology Design Methods for Structural Optimization

Osvaldo M. Querin,Mariano Victoria,Cristina Alonso Gordoa,Rubén Ansola,Pascual Martí
Topology Design Methods for Structural Optimization Book PDF

Author : Osvaldo M. Querin,Mariano Victoria,Cristina Alonso Gordoa,Rubén Ansola,Pascual Martí
Publisher : Butterworth-Heinemann
Page : 204 pages
File Size : 47,5 Mb
Release : 2017-06-09
Category : Mathematics
ISBN : 9780080999890

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Topology Design Methods for Structural Optimization by Osvaldo M. Querin,Mariano Victoria,Cristina Alonso Gordoa,Rubén Ansola,Pascual Martí Pdf

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 on how to use them. Case studies and worked industry examples are included throughout to illustrate practical applications of topology design tools to achieve innovative structural solutions. The text is intended for professionals who are interested in using the tools provided, but does not require in-depth theoretical knowledge. It is ideal for researchers who want to expand the methods presented to new applications, and includes a companion website with related tools to assist in further study. Provides design tools and methods for innovative structural design, focusing on the essential theory Includes case studies and real-life examples to illustrate practical application, challenges, and solutions Features accompanying software on a companion website to allow users to get up and running fast with the methods introduced Includes input from an expert team who has collaborated over the past decade to develop the methods presented

Structural Design Optimization Considering Uncertainties

Yannis Tsompanakis,Nikos D. Lagaros,Manolis Papadrakakis
Structural Design Optimization Considering Uncertainties Book PDF

Author : Yannis Tsompanakis,Nikos D. Lagaros,Manolis Papadrakakis
Publisher : Taylor & Francis
Page : 669 pages
File Size : 54,6 Mb
Release : 2008-02-07
Category : Technology & Engineering
ISBN : 9781134055067

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Structural Design Optimization Considering Uncertainties by Yannis Tsompanakis,Nikos D. Lagaros,Manolis Papadrakakis Pdf

Uncertainties play a dominant role in the design and optimization of structures and infrastructures. In optimum design of structural systems due to variations of the material, manufacturing variations, variations of the external loads and modelling uncertainty, the parameters of a structure, a structural system and its environment are not given, fixed coefficients, but random variables with a certain probability distribution. The increasing necessity to solve complex problems in Structural Optimization, Structural Reliability and Probabilistic Mechanics, requires the development of new ideas, innovative methods and numerical tools for providing accurate numerical solutions in affordable computing times. This book presents the latest findings on structural optimization considering uncertainties. It contains selected contributions dealing with the use of probabilistic methods for the optimal design of different types of structures and various considerations of uncertainties. The first part is focused on reliability-based design optimization and the second part on robust design optimization. Comprising twenty-one, self-contained chapters by prominent authors in the field, it forms a complete collection of state-of-the-art theoretical advances and applications in the fields of structural optimization, structural reliability, and probabilistic computational mechanics. It is recommended to researchers, engineers, and students in civil, mechanical, naval and aerospace engineering and to professionals working on complicated costs-effective design problems.

The Feature-Driven Method for Structural Optimization

Weihong Zhang,Ying Zhou
The Feature Driven Method for Structural Optimization Book PDF

Author : Weihong Zhang,Ying Zhou
Publisher : Elsevier
Page : 350 pages
File Size : 43,8 Mb
Release : 2020-11-05
Category : Computers
ISBN : 9780128213315

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The Feature-Driven Method for Structural Optimization by Weihong Zhang,Ying Zhou Pdf

The Feature-Driven Method for Structural Optimization details a novel structural optimization method within a CAD framework, integrating structural optimization and feature-based design. The book presents cutting-edge research on advanced structures and introduces the feature-driven structural optimization method by regarding engineering features as basic design primitives. Consequently, it presents a method that allows structural optimization and feature design to be done simultaneously so that feature attributes are preserved throughout the design process. The book illustrates and supports the effectiveness of the method described, showing potential applications through numerical modeling techniques and programming. This volume presents a high-performance optimization method adapted to engineering structures—a novel perspective that will help engineers in the computation, modeling and design of advanced structures. Integrates two independent methods - structural optimization and feature-based design—into one framework Adapts the high performance optimization method to the practice of designing engineering structures Provides numerical evidence for the effectiveness and potential of the methods described Works within a computer-aided design framework to develop a novel structural optimization methodology Presents engineering features as the basic design primitives in structural optimization

An Introduction to Structural Optimization

Peter W. Christensen,Anders Klarbring
An Introduction to Structural Optimization Book PDF

Author : Peter W. Christensen,Anders Klarbring
Publisher : Springer Science & Business Media
Page : 214 pages
File Size : 46,7 Mb
Release : 2008-10-20
Category : Technology & Engineering
ISBN : 9781402086656

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An Introduction to Structural Optimization by Peter W. Christensen,Anders Klarbring Pdf

This book has grown out of lectures and courses given at Linköping University, Sweden, over a period of 15 years. It gives an introductory treatment of problems and methods of structural optimization. The three basic classes of geometrical - timization problems of mechanical structures, i. e. , size, shape and topology op- mization, are treated. The focus is on concrete numerical solution methods for d- crete and (?nite element) discretized linear elastic structures. The style is explicit and practical: mathematical proofs are provided when arguments can be kept e- mentary but are otherwise only cited, while implementation details are frequently provided. Moreover, since the text has an emphasis on geometrical design problems, where the design is represented by continuously varying—frequently very many— variables, so-called ?rst order methods are central to the treatment. These methods are based on sensitivity analysis, i. e. , on establishing ?rst order derivatives for - jectives and constraints. The classical ?rst order methods that we emphasize are CONLIN and MMA, which are based on explicit, convex and separable appro- mations. It should be remarked that the classical and frequently used so-called op- mality criteria method is also of this kind. It may also be noted in this context that zero order methods such as response surface methods, surrogate models, neural n- works, genetic algorithms, etc. , essentially apply to different types of problems than the ones treated here and should be presented elsewhere.

Design Optimization of Active and Passive Structural Control Systems

Lagaros, Nikos D.
Design Optimization of Active and Passive Structural Control Systems Book PDF

Author : Lagaros, Nikos D.
Publisher : IGI Global
Page : 414 pages
File Size : 47,7 Mb
Release : 2012-08-31
Category : Technology & Engineering
ISBN : 9781466620308

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Design Optimization of Active and Passive Structural Control Systems by Lagaros, Nikos D. Pdf

A typical engineering task during the development of any system is, among others, to improve its performance in terms of cost and response. Improvements can be achieved either by simply using design rules based on the experience or in an automated way by using optimization methods that lead to optimum designs. Design Optimization of Active and Passive Structural Control Systems includes Earthquake Engineering and Tuned Mass Damper research topics into a volume taking advantage of the connecting link between them, which is optimization. This is a publication addressing the design optimization of active and passive control systems. This title is perfect for engineers, professionals, professors, and students alike, providing cutting edge research and applications.

An Introduction to Structural Optimization

Peter W. Christensen,A. Klarbring
An Introduction to Structural Optimization Book PDF

Author : Peter W. Christensen,A. Klarbring
Publisher : Springer Science & Business Media
Page : 214 pages
File Size : 52,9 Mb
Release : 2008-10-14
Category : Technology & Engineering
ISBN : 9781402086663

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An Introduction to Structural Optimization by Peter W. Christensen,A. Klarbring Pdf

This book has grown out of lectures and courses given at Linköping University, Sweden, over a period of 15 years. It gives an introductory treatment of problems and methods of structural optimization. The three basic classes of geometrical - timization problems of mechanical structures, i. e. , size, shape and topology op- mization, are treated. The focus is on concrete numerical solution methods for d- crete and (?nite element) discretized linear elastic structures. The style is explicit and practical: mathematical proofs are provided when arguments can be kept e- mentary but are otherwise only cited, while implementation details are frequently provided. Moreover, since the text has an emphasis on geometrical design problems, where the design is represented by continuously varying—frequently very many— variables, so-called ?rst order methods are central to the treatment. These methods are based on sensitivity analysis, i. e. , on establishing ?rst order derivatives for - jectives and constraints. The classical ?rst order methods that we emphasize are CONLIN and MMA, which are based on explicit, convex and separable appro- mations. It should be remarked that the classical and frequently used so-called op- mality criteria method is also of this kind. It may also be noted in this context that zero order methods such as response surface methods, surrogate models, neural n- works, genetic algorithms, etc. , essentially apply to different types of problems than the ones treated here and should be presented elsewhere.

Structural Optimization

William R. Spillers,Keith M. MacBain
Structural Optimization Book PDF

Author : William R. Spillers,Keith M. MacBain
Publisher : Springer Science & Business Media
Page : 304 pages
File Size : 45,8 Mb
Release : 2009-06-10
Category : Technology & Engineering
ISBN : 9780387958651

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Structural Optimization by William R. Spillers,Keith M. MacBain Pdf

Structural Optimization is intended to supplement the engineer’s box of analysis and design tools making optimization as commonplace as the finite element method in the engineering workplace. It begins with an introduction to structural optimization and the methods of nonlinear programming such as Lagrange multipliers, Kuhn-Tucker conditions, and calculus of variations. It then discusses solution methods for optimization problems such as the classic method of linear programming which leads to the method of sequential linear programming. It then proposes using sequential linear programming together with the incremental equations of structures as a general method for structural optimization. It is furthermore intended to give the engineer an overview of the field of structural optimization.

An Introduction to Structural Optimization

Peter W. Christensen,Anders Klarbring
An Introduction to Structural Optimization Book PDF

Author : Peter W. Christensen,Anders Klarbring
Publisher : Springer
Page : 214 pages
File Size : 41,8 Mb
Release : 2009-08-29
Category : Technology & Engineering
ISBN : 9048120934

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An Introduction to Structural Optimization by Peter W. Christensen,Anders Klarbring Pdf

This book has grown out of lectures and courses given at Linköping University, Sweden, over a period of 15 years. It gives an introductory treatment of problems and methods of structural optimization. The three basic classes of geometrical - timization problems of mechanical structures, i. e. , size, shape and topology op- mization, are treated. The focus is on concrete numerical solution methods for d- crete and (?nite element) discretized linear elastic structures. The style is explicit and practical: mathematical proofs are provided when arguments can be kept e- mentary but are otherwise only cited, while implementation details are frequently provided. Moreover, since the text has an emphasis on geometrical design problems, where the design is represented by continuously varying—frequently very many— variables, so-called ?rst order methods are central to the treatment. These methods are based on sensitivity analysis, i. e. , on establishing ?rst order derivatives for - jectives and constraints. The classical ?rst order methods that we emphasize are CONLIN and MMA, which are based on explicit, convex and separable appro- mations. It should be remarked that the classical and frequently used so-called op- mality criteria method is also of this kind. It may also be noted in this context that zero order methods such as response surface methods, surrogate models, neural n- works, genetic algorithms, etc. , essentially apply to different types of problems than the ones treated here and should be presented elsewhere.