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Metamodel Based Multidisciplinary Design Optimization Of Automotive Structures
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Book Synopsis Metamodel-Based Multidisciplinary Design Optimization of Automotive Structures by : Ann-Britt Ryberg
Download or read book Metamodel-Based Multidisciplinary Design Optimization of Automotive Structures written by Ann-Britt Ryberg and published by Linköping University Electronic Press. This book was released on 2017-09-14 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multidisciplinary design optimization (MDO) can be used in computer aided engineering (CAE) to efficiently improve and balance performance of automotive structures. However, large-scale MDO is not yet generally integrated within automotive product development due to several challenges, of which excessive computing times is the most important one. In this thesis, a metamodel-based MDO process that fits normal company organizations and CAE-based development processes is presented. The introduction of global metamodels offers means to increase computational efficiency and distribute work without implementing complicated multi-level MDO methods. The presented MDO process is proven to be efficient for thickness optimization studies with the objective to minimize mass. It can also be used for spot weld optimization if the models are prepared correctly. A comparison of different methods reveals that topology optimization, which requires less model preparation and computational effort, is an alternative if load cases involving simulations of linear systems are judged to be of major importance. A technical challenge when performing metamodel-based design optimization is lack of accuracy for metamodels representing complex responses including discontinuities, which are common in for example crashworthiness applications. The decision boundary from a support vector machine (SVM) can be used to identify the border between different types of deformation behaviour. In this thesis, this information is used to improve the accuracy of feedforward neural network metamodels. Three different approaches are tested; to split the design space and fit separate metamodels for the different regions, to add estimated guiding samples to the fitting set along the boundary before a global metamodel is fitted, and to use a special SVM-based sequential sampling method. Substantial improvements in accuracy are observed, and it is found that implementing SVM-based sequential sampling and estimated guiding samples can result in successful optimization studies for cases where more conventional methods fail.
Book Synopsis Metamodel-based Multidisciplinary Design Optimization for Automotive Applications by :
Download or read book Metamodel-based Multidisciplinary Design Optimization for Automotive Applications written by and published by . This book was released on 2012 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metamodel-based Design Optimization by :
Download or read book Metamodel-based Design Optimization written by and published by . This book was released on 2013 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Multidisciplinary Design Optimization in Computational Mechanics by : Piotr Breitkopf
Download or read book Multidisciplinary Design Optimization in Computational Mechanics written by Piotr Breitkopf and published by John Wiley & Sons. This book was released on 2013-02-04 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive introduction to the mathematical and algorithmic methods for the Multidisciplinary Design Optimization (MDO) of complex mechanical systems such as aircraft or car engines. We have focused on the presentation of strategies efficiently and economically managing the different levels of complexity in coupled disciplines (e.g. structure, fluid, thermal, acoustics, etc.), ranging from Reduced Order Models (ROM) to full-scale Finite Element (FE) or Finite Volume (FV) simulations. Particular focus is given to the uncertainty quantification and its impact on the robustness of the optimal designs. A large collection of examples from academia, software editing and industry should also help the reader to develop a practical insight on MDO methods.
Book Synopsis Advances in Multidisciplinary Analysis and Optimization by : Raviprakash R. Salagame
Download or read book Advances in Multidisciplinary Analysis and Optimization written by Raviprakash R. Salagame and published by Springer Nature. This book was released on 2020-08-10 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains select papers presented during the 2nd National Conference on Multidisciplinary Analysis and Optimization. It discusses new developments at the core of optimization methods and its application in multiple applications. The papers showcase fundamental problems and applications which include domains such as aerospace, automotive and industrial sectors. The variety of topics and diversity of insights presented in the general field of optimization and its use in design for different applications will be of interest to researchers in academia or industry.
Book Synopsis Developments in Reliability Engineering by : Mangey Ram
Download or read book Developments in Reliability Engineering written by Mangey Ram and published by Elsevier. This book was released on 2024-08-09 with total page 894 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern systems have become increasingly complex to design and build, while the demand for reliability and cost-effective enhancement continues. Robust international competition has further intensified the need for all designers, managers, practitioners, scientists, and engineers to ensure a level of reliability of their products and processes before release at the lowest cost. Developments in Reliability Engineering equips its audience with the necessary information to keep up with the latest original research and state-of-the-art advances in reliability engineering. The volume offers an excursus from historical theories and methods to the present-world practical utility of these concepts with worked-out examples. Guides readers through reliability topics from an historical perspective to new research results, advancements, and latest developments Draws on the authors’ experience of reliability analysis in a range of industries and disciplines, showing the need for reliability from the product design stage right through to aftercare Provides methods throughout, making this title a good source of actionable information
Book Synopsis Multidisciplinary Design Optimization of Automotive Structures by :
Download or read book Multidisciplinary Design Optimization of Automotive Structures written by and published by . This book was released on 2013 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Current Perspectives on the Value, Teaching, Learning, and Assessment of Design in STEM Education by : Jeffrey Buckley
Download or read book Current Perspectives on the Value, Teaching, Learning, and Assessment of Design in STEM Education written by Jeffrey Buckley and published by Frontiers Media SA. This book was released on 2023-08-25 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design is a central activity within Science, Technology, Engineering, and Mathematics (STEM) education. Within enacted practice, design can feature within intended learning outcomes, for example in learning to design, and it can feature within pedagogical methodologies, for example by learning through design. Often holding differing disciplinary interpretations such as design as cyclical problem solving, iterative design, conceptual design, or design with or without make, understanding the educational merits of the ill-defined and open nature of authentic designerly activity is paramount. This Research Topic sets out to gain a more nuanced understanding of the value and role(s) of design within STEM educational contexts. This Research Topic focuses on design within STEM educational contexts, particularly in terms of teaching, learning, and assessment. The aim is to contribute to the evidential basis which can be used to guide the incorporation of design into educational practice. The topic has two central research objectives. The first is to generate evidence regarding what design is in STEM education. For example, is the ability to design a singular or manifold construct? Is the capacity to design, or are factors of this ability, both learnable and teachable? How transferable is designerly knowledge between contexts? How do different disciplinary contexts influence the interpretation of design? The second is to further our understanding of how best to incorporate design within STEM education contexts. For example, how much emphasis should be placed on learning to or through design in school? How should design be assessed within formal education? Where and when is design best incorporated into education? In posing these questions, the goal of this research topic is to provide scholarly discourse which supports critical reflection and the challenging of assumptions regarding design in education.
Book Synopsis Life-Cycle Civil Engineering: Innovation, Theory and Practice by : Airong Chen
Download or read book Life-Cycle Civil Engineering: Innovation, Theory and Practice written by Airong Chen and published by CRC Press. This book was released on 2021-02-26 with total page 2619 pages. Available in PDF, EPUB and Kindle. Book excerpt: Life-Cycle Civil Engineering: Innovation, Theory and Practice contains the lectures and papers presented at IALCCE2020, the Seventh International Symposium on Life-Cycle Civil Engineering, held in Shanghai, China, October 27-30, 2020. It consists of a book of extended abstracts and a USB card containing the full papers of 230 contributions, including the Fazlur R. Khan lecture, eight keynote lectures, and 221 technical papers from all over the world. All major aspects of life-cycle engineering are addressed, with special emphasis on life-cycle design, assessment, maintenance and management of structures and infrastructure systems under various deterioration mechanisms due to various environmental hazards. It is expected that the proceedings of IALCCE2020 will serve as a valuable reference to anyone interested in life-cycle of civil infrastructure systems, including students, researchers, engineers and practitioners from all areas of engineering and industry.
Book Synopsis Bridge Optimization by : Yun Lai Zhou
Download or read book Bridge Optimization written by Yun Lai Zhou and published by BoD – Books on Demand. This book was released on 2020-02-05 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a collection of several applications for condition monitoring and damage identification in bridge structures. Bridge structural condition monitoring is essential since it can provide early warning of potential defects in bridges, which may induce catastrophic accidents and result in huge economic loss. Such bridge condition monitoring relies on sensing techniques, especially advanced sensing techniques that can provide detailed information on bridge structures. Additionally, postprocessing systems can interpret the captured data and warn of any potential faults. This book will give students a thorough understanding of bridge condition monitoring.
Book Synopsis Advances in Structural and Multidisciplinary Optimization by : Axel Schumacher
Download or read book Advances in Structural and Multidisciplinary Optimization written by Axel Schumacher and published by Springer. This book was released on 2017-12-04 with total page 2101 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume includes papers from the WSCMO conference in Braunschweig 2017 presenting research of all aspects of the optimal design of structures as well as multidisciplinary design optimization where the involved disciplines deal with the analysis of solids, fluids or other field problems. Also presented are practical applications of optimization methods and the corresponding software development in all branches of technology.
Book Synopsis Robust Design Optimization Based on Metamodeling Techniques by : Florian Jurecka
Download or read book Robust Design Optimization Based on Metamodeling Techniques written by Florian Jurecka and published by . This book was released on 2007 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optimization Of Structural And Mechanical Systems by : Jasbir S Arora
Download or read book Optimization Of Structural And Mechanical Systems written by Jasbir S Arora and published by World Scientific. This book was released on 2007-09-05 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational optimization methods have matured over the last few years due to extensive research by applied mathematicians and engineers. These methods have been applied to many practical applications. Several general-purpose optimization programs and programs for specific engineering applications have become available to solve particular optimization problems.Written by leading researchers in the field of optimization, this highly readable book covers state-of-the-art computational algorithms as well as applications of optimization to structural and mechanical systems. Formulations of the problems and numerical solutions are presented, and topics requiring further research are also suggested.
Book Synopsis Reliability and Robust Design in Automotive Engineering by :
Download or read book Reliability and Robust Design in Automotive Engineering written by and published by . This book was released on 2004 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Towards Efficient Multidisciplinary Design Optimization for Car Body Structures by : Ramses Sala
Download or read book Towards Efficient Multidisciplinary Design Optimization for Car Body Structures written by Ramses Sala and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design and Analysis of Composite Structures for Automotive Applications by : Vladimir Kobelev
Download or read book Design and Analysis of Composite Structures for Automotive Applications written by Vladimir Kobelev and published by John Wiley & Sons. This book was released on 2019-04-01 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: A design reference for engineers developing composite components for automotive chassis, suspension, and drivetrain applications This book provides a theoretical background for the development of elements of car suspensions. It begins with a description of the elastic-kinematics of the vehicle and closed form solutions for the vertical and lateral dynamics. It evaluates the vertical, lateral, and roll stiffness of the vehicle, and explains the necessity of the modelling of the vehicle stiffness. The composite materials for the suspension and powertrain design are discussed and their mechanical properties are provided. The book also looks at the basic principles for the design optimization using composite materials and mass reduction principles. Additionally, references and conclusions are presented in each chapter. Design and Analysis of Composite Structures for Automotive Applications: Chassis and Drivetrain offers complete coverage of chassis components made of composite materials and covers elastokinematics and component compliances of vehicles. It looks at parts made of composite materials such as stabilizer bars, wheels, half-axes, springs, and semi-trail axles. The book also provides information on leaf spring assembly for motor vehicles and motor vehicle springs comprising composite materials. Covers the basic principles for the design optimization using composite materials and mass reduction principles Evaluates the vertical, lateral, and roll stiffness of the vehicle, and explains the modelling of the vehicle stiffness Discusses the composite materials for the suspension and powertrain design Features closed form solutions of problems for car dynamics explained in details and illustrated pictorially Design and Analysis of Composite Structures for Automotive Applications: Chassis and Drivetrain is recommended primarily for engineers dealing with suspension design and development, and those who graduated from automotive or mechanical engineering courses in technical high school, or in other higher engineering schools.
Book Synopsis Uncertainty Quantification in Laminated Composites by : Sudip Dey
Download or read book Uncertainty Quantification in Laminated Composites written by Sudip Dey and published by CRC Press. This book was released on 2018-09-19 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last few decades, uncertainty quantification in composite materials and structures has gained a lot of attention from the research community as a result of industrial requirements. This book presents computationally efficient uncertainty quantification schemes following meta-model-based approaches for stochasticity in material and geometric parameters of laminated composite structures. Several metamodels have been studied and comparative results have been presented for different static and dynamic responses. Results for sensitivity analyses are provided for a comprehensive coverage of the relative importance of different material and geometric parameters in the global structural responses.
