结构优化方法(英文)
出版时间:
2021-12
版次:
1
ISBN:
9787576303667
装帧:
平装
开本:
16开
纸张:
胶版纸
页数:
179页
字数:
197.000千字
正文语种:
英语
1人买过
-
모모The book \"An introduction to Structural Optimization\" has been used in the past five years.It gives an introductory treatment of problems and methods of structural optimization.However밃some contents are not suitable for mechanical engineering students.In this book밃we focus on concrete numerical solution methods for discrete and 믿 finite element밀 discretized linear elastic structures.The style is explicit and practical밐 mathematical proofs are provided when arguments can be kept elementary but are otherwise only cited밃while implementation details are frequently provided.Moreover밃since the text has an emphasis on geometrical design problems밃where the design is represented by continuously varying-frequently very many-variables밃so - called first order methods are central to the treatment.These methods are based on sensitivity analysis밃i.e.밃on establishing first order derivatives for objectives and constraints.The classical first order method that we emphasize is CONLIN밃which is based on explicit밃convex and separable approximations.It should be remarked that the classical and frequently used so-called optimality criteria method is also of this kind.It may also be noted in this context that zero order methods such as response surface methods밃surrogate models밃neural networks밃genetic algorithms밃etc.밃essentially apply to different types of problems than the ones treated here and should be presented elsewhere.
모모The text is written for students with a background in solid and structural mechanics with a basic knowledge of the finite element method밃although in our experience such knowledge could be replaced by a certain mathematical maturity.Previous exposure to basic optimization theory and convex programming is helpful but not strictly necessary.
모모In Chapter 1 we introduce the basic idea of mathematical design optimization and indicate its place in the broader frame of product realization밃as well as define basic concepts and terminology.Chapter 2 is devoted to basic mathematical concepts밃which is the basis for the following contents.Chapter 3 gives elementary concepts in structural optimization밃such as statistically determinate structure and statistically indeterminate structure.Chapter 4 reviews basic concepts of convex analysis밃and exemplifies these by means of concepts from structural mechanics.Chapter5 is밃from an algorithmic point of view밃the core chapter of the book.It introduces the basic idea of sequential explicit convex approximations밃and CONLIN is presented.Chapter 6 is applied to stiffness optimization of a truss.This is a classical model problem of structural optimization which we investigate thoroughly.In Chapter 7밃we derive the optimality criteria method as a special case of the general explicit convex approximation method.Chapter 8 concerns sensitivity analysis for finite element discretized structures. Chapter 1 Introduction
1밅1 Brief History of Structural Optimization
1밅2 The Basic Idea
1밅3 The Design Process
1밅4 Definition of Terms in Structural Optimization
1밅5 General Structural Optimization Problem and Its Formulations
1밅6 Three Types of Structural Optimization Problems
1밅7 Discrete and Distributed Parameter Systems
1밅8 Exercise
Chapter 2 Basic Mathematical Concepts
2밅1 Introduction
2밅2 Sets
2밅3 n-dimensional Space
2밅4 Functions in n-dimensional Space
2밅5 Open and Closed Sets
2밅6 Sequence
2밅7 Convexity
2밅8 Conditions for Minima
2밅9 Conditions for Constrained Minima
2밅10 Duality
Chapter 3 Elementary Concepts in Structural Optimization
3밅1 Introduction
3밅2 Statistically Determinate Structures
3밅2밅1 Analysis
3밅2밅2 Optimum Design of Strength-critical Problem
3밅2밅3 Optimum Design of Stiffness-critical Problem
3밅2밅4 Displacement-stress-constrained problem
3밅2밅5 Multiple displacement-constrained problem
3밅3 Statically Indeterminate Structure
3밅3밅1 Analysis
3밅3밅2 Optimum Design of Strength-critical Problem
3밅3밅3 Displacement-constrained Statistically Indeterminate Structure
3밅4 Analysis of General Structure
3밅5 Exercise
Chapter 4 Basics of Convex Programming
4밅1 Localand GlobalOptima
4밅2 Convexity
4밅3 KKT Conditions
4밅4 Lagrangian Duality Method
4밅5 Exercise
Chapter 5 Sequential Explicit밃Convex Approximation
5밅1 General Solution
5밅2 Sequential Linear Programming
5밅3 Sequential Quadratic Programming
5밅4 Convex Linearization
5밅5 Exercise
Chapter 6 Stiffness Optimization of a Truss And Its Properties
6밅1 The Simultaneous Formulation of the Problem
6밅2 Nested Formulation and Some of Its Properties
6밅2밅1 Convexity of the Nested Problem
6밅2밅2 Fully Stressed Design
6밅3 Minimization of the Volume Under a Compliance Constraint
Chapter 7 Optimality Criterion Methods in Structural Optimiztion
7밅1 Introduction
7밅2 Basic Equations of Analysis
7밅2밅1 Displacement Method
7밅2밅2 Scaling of the Design
7밅3 Displacement Constraints
7밅3밅1 Single Displacement Constraint
7밅3밅2 Multiple Displacement Constraints
7밅4 Stress Constraints
몴몴
Chapter 8 Sensitivity Analysis of Structural Optimization
References
-
内容简介:
모모The book \"An introduction to Structural Optimization\" has been used in the past five years.It gives an introductory treatment of problems and methods of structural optimization.However밃some contents are not suitable for mechanical engineering students.In this book밃we focus on concrete numerical solution methods for discrete and 믿 finite element밀 discretized linear elastic structures.The style is explicit and practical밐 mathematical proofs are provided when arguments can be kept elementary but are otherwise only cited밃while implementation details are frequently provided.Moreover밃since the text has an emphasis on geometrical design problems밃where the design is represented by continuously varying-frequently very many-variables밃so - called first order methods are central to the treatment.These methods are based on sensitivity analysis밃i.e.밃on establishing first order derivatives for objectives and constraints.The classical first order method that we emphasize is CONLIN밃which is based on explicit밃convex and separable approximations.It should be remarked that the classical and frequently used so-called optimality criteria method is also of this kind.It may also be noted in this context that zero order methods such as response surface methods밃surrogate models밃neural networks밃genetic algorithms밃etc.밃essentially apply to different types of problems than the ones treated here and should be presented elsewhere.
모모The text is written for students with a background in solid and structural mechanics with a basic knowledge of the finite element method밃although in our experience such knowledge could be replaced by a certain mathematical maturity.Previous exposure to basic optimization theory and convex programming is helpful but not strictly necessary.
모모In Chapter 1 we introduce the basic idea of mathematical design optimization and indicate its place in the broader frame of product realization밃as well as define basic concepts and terminology.Chapter 2 is devoted to basic mathematical concepts밃which is the basis for the following contents.Chapter 3 gives elementary concepts in structural optimization밃such as statistically determinate structure and statistically indeterminate structure.Chapter 4 reviews basic concepts of convex analysis밃and exemplifies these by means of concepts from structural mechanics.Chapter5 is밃from an algorithmic point of view밃the core chapter of the book.It introduces the basic idea of sequential explicit convex approximations밃and CONLIN is presented.Chapter 6 is applied to stiffness optimization of a truss.This is a classical model problem of structural optimization which we investigate thoroughly.In Chapter 7밃we derive the optimality criteria method as a special case of the general explicit convex approximation method.Chapter 8 concerns sensitivity analysis for finite element discretized structures.
-
目录:
Chapter 1 Introduction
1밅1 Brief History of Structural Optimization
1밅2 The Basic Idea
1밅3 The Design Process
1밅4 Definition of Terms in Structural Optimization
1밅5 General Structural Optimization Problem and Its Formulations
1밅6 Three Types of Structural Optimization Problems
1밅7 Discrete and Distributed Parameter Systems
1밅8 Exercise
Chapter 2 Basic Mathematical Concepts
2밅1 Introduction
2밅2 Sets
2밅3 n-dimensional Space
2밅4 Functions in n-dimensional Space
2밅5 Open and Closed Sets
2밅6 Sequence
2밅7 Convexity
2밅8 Conditions for Minima
2밅9 Conditions for Constrained Minima
2밅10 Duality
Chapter 3 Elementary Concepts in Structural Optimization
3밅1 Introduction
3밅2 Statistically Determinate Structures
3밅2밅1 Analysis
3밅2밅2 Optimum Design of Strength-critical Problem
3밅2밅3 Optimum Design of Stiffness-critical Problem
3밅2밅4 Displacement-stress-constrained problem
3밅2밅5 Multiple displacement-constrained problem
3밅3 Statically Indeterminate Structure
3밅3밅1 Analysis
3밅3밅2 Optimum Design of Strength-critical Problem
3밅3밅3 Displacement-constrained Statistically Indeterminate Structure
3밅4 Analysis of General Structure
3밅5 Exercise
Chapter 4 Basics of Convex Programming
4밅1 Localand GlobalOptima
4밅2 Convexity
4밅3 KKT Conditions
4밅4 Lagrangian Duality Method
4밅5 Exercise
Chapter 5 Sequential Explicit밃Convex Approximation
5밅1 General Solution
5밅2 Sequential Linear Programming
5밅3 Sequential Quadratic Programming
5밅4 Convex Linearization
5밅5 Exercise
Chapter 6 Stiffness Optimization of a Truss And Its Properties
6밅1 The Simultaneous Formulation of the Problem
6밅2 Nested Formulation and Some of Its Properties
6밅2밅1 Convexity of the Nested Problem
6밅2밅2 Fully Stressed Design
6밅3 Minimization of the Volume Under a Compliance Constraint
Chapter 7 Optimality Criterion Methods in Structural Optimiztion
7밅1 Introduction
7밅2 Basic Equations of Analysis
7밅2밅1 Displacement Method
7밅2밅2 Scaling of the Design
7밅3 Displacement Constraints
7밅3밅1 Single Displacement Constraint
7밅3밅2 Multiple Displacement Constraints
7밅4 Stress Constraints
몴몴
Chapter 8 Sensitivity Analysis of Structural Optimization
References
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结构优化方法(英文)
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