Multiscale Structural Topology Optimization
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Multiscale Structural Topology Optimization
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Author : Liang Xia
language : en
Publisher: Elsevier
Release Date : 2016-04-27
Multiscale Structural Topology Optimization written by Liang Xia and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-04-27 with Technology & Engineering categories.
Multiscale Structural Topology Optimization discusses the development of a multiscale design framework for topology optimization of multiscale nonlinear structures. With the intention to alleviate the heavy computational burden of the design framework, the authors present a POD-based adaptive surrogate model for the RVE solutions at the microscopic scale and make a step further towards the design of multiscale elastoviscoplastic structures. Various optimization methods for structural size, shape, and topology designs have been developed and widely employed in engineering applications. Topology optimization has been recognized as one of the most effective tools for least weight and performance design, especially in aeronautics and aerospace engineering. This book focuses on the simultaneous design of both macroscopic structure and microscopic materials. In this model, the material microstructures are optimized in response to the macroscopic solution, which results in the nonlinearity of the equilibrium problem of the interface of the two scales. The authors include a reduce database model from a set of numerical experiments in the space of effective strain. - Presents the first attempts towards topology optimization design of nonlinear highly heterogeneous structures - Helps with simultaneous design of the topologies of both macroscopic structure and microscopic materials - Helps with development of computer codes for the designs of nonlinear structures and of materials with extreme constitutive properties - Focuses on the simultaneous design of both macroscopic structure and microscopic materials - Includes a reduce database model from a set of numerical experiments in the space of effective strain
Topology Optimization Design Of Heterogeneous Materials And Structures
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Author : Daicong Da
language : en
Publisher: John Wiley & Sons
Release Date : 2020-02-26
Topology Optimization Design Of Heterogeneous Materials And Structures written by Daicong Da and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-26 with Mathematics categories.
This book pursues optimal design from the perspective of mechanical properties and resistance to failure caused by cracks and fatigue. The book abandons the scale separation hypothesis and takes up phase-field modeling, which is at the cutting edge of research and is of high industrial and practical relevance. Part 1 starts by testing the limits of the homogenization-based approach when the size of the representative volume element is non-negligible compared to the structure. The book then introduces a non-local homogenization scheme to take into account the strain gradient effects. Using a phase field method, Part 2 offers three significant contributions concerning optimal placement of the inclusion phases. Respectively, these contributions take into account fractures in quasi-brittle materials, interface cracks and periodic composites. The topology optimization proposed has significantly increased the fracture resistance of the composites studied.
Topology Optimization In Structural And Continuum Mechanics
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Author : George I. N. Rozvany
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-09-20
Topology Optimization In Structural And Continuum Mechanics written by George I. N. Rozvany and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09-20 with Science categories.
The book covers new developments in structural topology optimization. Basic features and limitations of Michell’s truss theory, its extension to a broader class of support conditions, generalizations of truss topology optimization, and Michell continua are reviewed. For elastic bodies, the layout problems in linear elasticity are discussed and the method of relaxation by homogenization is outlined. The classical problem of free material design is shown to be reducible to a locking material problem, even in the multiload case. For structures subjected to dynamic loads, it is explained how they can be designed so that the structural eigenfrequencies of vibration are as far away as possible from a prescribed external excitation frequency (or a band of excitation frequencies) in order to avoid resonance phenomena with high vibration and noise levels. For diffusive and convective transport processes and multiphysics problems, applications of the density method are discussed. In order to take uncertainty in material parameters, geometry, and operating conditions into account, techniques of reliability-based design optimization are introduced and reviewed for their applicability to topology optimization.
Multiscale Optimization And Materials Design
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Author : Jun Yan
language : en
Publisher: World Scientific
Release Date : 2020-12-29
Multiscale Optimization And Materials Design written by Jun Yan and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-12-29 with Technology & Engineering categories.
The book presents a set of novel, efficient and systematic concurrent multiscale optimization methods by considering the distribution of the material in macro-scale and the unit-cell configuration design in micro-scale simultaneously. Different from the traditional optimization method that is performed in a single scale, the proposed methods could generate a great deal of improvements in structural performance through the multiscale structure-material concurrent optimum design.The proposed theory and methods are related to statics, dynamics, thermoelastics and the coupling of different physical fields. Therefore, it provides a comprehensive designing scheme when multiple factors are taken into account. For example, the designing scheme can have a great significance on enhancing the structural performances under coupled multi-physical fields, such as load bearing capacity, vibration resistance ability, and safety under thermal stress and so on.Several numerical examples are highlighted in this unique volume based on practical engineering applications. The examples collectively demonstrate drastically improved designs featuring excellent unit-cell configuration and highly regular macroscale material distribution in a variety of industrial applications.
Material Forming
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Author : Pierpaolo Carlone
language : en
Publisher: Materials Research Forum LLC
Release Date : 2025-06-05
Material Forming written by Pierpaolo Carlone and has been published by Materials Research Forum LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-05 with Technology & Engineering categories.
The ESAFORM 2025 proceedings covers 280 papers on a wide range of topics, including: Additive Manufacturing, Composites Forming Processes, Extrusion and Drawing, Forging and Rolling, Formability of Metallic Materials, Friction and Wear in Metal Forming, Incremental and Sheet Metal Forming, Innovative Joining by Forming Technologies, Optimization and Inverse Analysis in Forming, Machining, Cutting, and Severe Plastic Deformation Processes, Material Behavior Modelling, New and Advanced Numerical Strategies for Material Forming, Non-Conventional Processes, Polymer Processing and Thermomechanical Properties and Sustainability in Material Forming. Keywords: Additive Manufacturing, Composites Forming Processes, Extrusion and Drawing, Forging and Rolling, Formability of Metallic Materials, Friction and Wear in Metal Forming, Incremental and Sheet Metal Forming, Innovative Joining by Forming Technologies, Optimization and Inverse Analysis in Forming, Machining, Cutting, and Severe Plastic Deformation Processes, Material Behavior Modelling, New and Advanced Numerical Strategies for Material Forming, Non-Conventional Processes, Polymer Processing and Thermomechanical Properties and Sustainability in Material Forming.
Testing And Modeling Of Cellular Materials
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Author : Derek G Spear
language : en
Publisher: CRC Press
Release Date : 2022-12-30
Testing And Modeling Of Cellular Materials written by Derek G Spear and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-12-30 with Technology & Engineering categories.
Testing and Modeling of Cellular Materials discusses the characterization of cellular lattices through quasi-static and dynamic testing for use in light-weighting or energy-absorbing applications. Covering cellular materials, specifically additively manufactured lattices, this book further progresses into dynamic testing and modeling techniques for computational simulations. It presents modeling and simulation techniques used for cellular materials and evaluates them against experimental results to illustrate the material response under various conditions. The book also includes a case study of high-velocity impact that highlights the high strain rate effects on the cellular lattices. Features: Covers different testing techniques used in quasi-static and dynamic material characterization of cellular materials Discusses additive manufacturing techniques for lattice specimen fabrication Analyzes different finite element modeling techniques for quasi-static and dynamic loading conditions Presents a comparison and development of a phenomenological material model for use in computational analysis at various loading rates Explores impact stress wave analysis under high-velocity loading The book will be useful for researchers and engineers working in the field of materials modeling and mechanics of materials.
Fundamentals Of Orthopedic Design With Non Parametric Optimization
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Author : Musaddiq Al Ali
language : en
Publisher: Springer Nature
Release Date : 2024-03-26
Fundamentals Of Orthopedic Design With Non Parametric Optimization written by Musaddiq Al Ali and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-03-26 with Technology & Engineering categories.
This book introduces a fundamental understanding of orthopedic design for both engineers and medical staff. It addresses the gap and mystery that often exists between these two fields and provides a common ground for understanding. The book covers various aspects of orthopedic design, including the anatomy and biomechanics of bones and joints, the materials used in orthopedic devices, and the testing and evaluation of orthopedic devices. It also introduces computer-aided design with additive manufacturing in a practical sense, including the principles of non-parametric optimization (topology and shape optimization) in a scientific and practical way. The author provides dedicated examples and research studies to further clarify the concepts presented in the book and includes some of their own peer-reviewed papers to support the material. Additionally, it covers the practical applications of computer-aided design and additivemanufacturing in orthopedic design, including the use of virtual prototyping, computer simulation, and 3D printing techniques. The book aims to provide a comprehensive guide to orthopedic design and the latest advancements in the field.
Isogeometric Topology Optimization
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Author : Jie Gao
language : en
Publisher: Springer Nature
Release Date : 2022-04-26
Isogeometric Topology Optimization written by Jie Gao and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-26 with Technology & Engineering categories.
This book provides a systematic description about the development of Isogeometric Topology Optimization (ITO) method using the density, and then addresses the effectiveness and efficiency of the ITO method on several design problems, including multi-material structures, stress-minimization structures, piezoelectric structures and also with the uniform manufacturability, ultra-lightweight architected materials with extreme bulk/shear moduli, auxetic metamaterials and auxetic meta-composites with the NPRs behavior in microstructures. A detailed MATLAB implementation of the ITO method with an in-house code “IgaTop” is also presented.
Advanced Techniques In Porous Structure Design For Additive Manufacturing
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Author : Musaddiq Al Ali
language : en
Publisher: John Wiley & Sons
Release Date : 2025-08-19
Advanced Techniques In Porous Structure Design For Additive Manufacturing written by Musaddiq Al Ali and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-08-19 with Technology & Engineering categories.
Concise, practical guide presenting skills to integrate porous structure design with additive manufacturing requirements Part of Wiley's Additive Manufacturing Skills in Practice series and written with the industry practitioner in mind, Advanced Techniques in Porous Structure Design for Additive Manufacturing addresses the growing integration of porous structures and additive manufacturing, essential for applications in the biomedical, aerospace, and automotive fields in which porous structures are crucial due to their ability to deliver top-notch performance alongside lightweight characteristics. This book covers all areas of the subject and concludes with a series of specialized chapters devoted to simulation software, case studies, and future trends and emerging technologies. Each chapter features a design problem that presents an open-ended scenario to prompt readers to think through the real-world applications of the concepts and theories discussed and connect them to their own job roles. Sample topics discussed in Advanced Techniques in Porous Structure Design for Additive Manufacturing include: Fundamentals of additive manufacturing, covering processes, materials, and design considerations Mathematical modeling, covering optimization techniques and the finite element method Multiscale topology optimization, shape optimization methods, and post-processing techniques Software utilization in porous structure design, with information on how to program simulations Porous structures in soft robotics, porous heat sinks, porous plates, and porous mechanical support structures With a blend of theoretical understanding and hands-on expertise in an emerging domain, Advanced Techniques in Porous Structure Design for Additive Manufacturing is an essential reference for industry professionals, researchers, and postgraduate students in universities, particularly those specializing in mechanical design and additive manufacturing.
Topology Optimization
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Author : Martin Philip Bendsoe
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Topology Optimization written by Martin Philip Bendsoe and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Mathematics categories.
"The art of structure is where to put the holes" Robert Le Ricolais, 1894-1977 This is a completely revised, updated and expanded version of the book titled "Optimization of Structural Topology, Shape and Material" (Bends0e 1995). The field has since then developed rapidly with many new contributions to theory, computational methods and applications. This has that a simple editing of Bends0e (1995) had to be superseded by what meant is to a large extent a completely new book, now by two authors. This work is an attempt to provide a unified presentation of methods for the optimal design of topology, shape and material for continuum and discrete structures. The emphasis is on the now matured techniques for the topology design of continuum structures and its many applications that have seen the light of the day since the first monograph appeared. The technology is now well established and designs obtained with the use of topology optimization methods are in production on a daily basis. The efficient use of materials is important in many different settings. The aerospace industry and the automotive industry, for example, apply sizing and shape optimization to the design of structures and mechanical elements.