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Numerical Shape Optimization In Structural Acoustics

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Numerical Shape Optimization In Structural Acoustics

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Author : Joachim Bös
language : en
Publisher:
Release Date : 2004

Numerical Shape Optimization In Structural Acoustics written by Joachim Bös and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Acoustical engineering categories.

Shape Optimization For Structural Acoustics Problems

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Author : Julia Schmidt
language : en
Publisher:
Release Date : 1998

Shape Optimization For Structural Acoustics Problems written by Julia Schmidt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.

Vibration And Structural Acoustics Analysis

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Author : C.M.A. Vasques
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-08-10

Vibration And Structural Acoustics Analysis written by C.M.A. Vasques 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 2011-08-10 with Technology & Engineering categories.

Vibration and structural acoustics analysis has become an essential requirement for high-quality structural and mechanical design in order to assure acoustic comfort and the integrity, reliability and fail-safe behavior of structures and machines. The underlying technologies of this field of multidisciplinary research are evolving very fast and their dissemination is usually scattered over different and complementary scientific and technical publication means. In order to make it easy for developers and technology end-users to follow the latest developments and news in the field, this book collects into a single volume selected, extended, updated and revised versions of papers presented at the Symposium on Vibration and Structural Acoustics Analysis, coordinated by J. Dias Rodrigues and C. M. A. Vasques, which was organised as part of the 3rd International Conference on Integrity, Reliability & Failure (IRF’2009), co-chaired by J. F. Silva Gomes and Shaker A. Meguid, held at the Faculty of Engineering of the University of Porto, Portugal, 20-24 July 2009. These papers where chosen from the more than 60 papers presented at the conference symposium. Written by experienced practitioners and researchers in the field, this book brings together recent developments in the field, spanning across a broad range of themes: vibration analysis, analytical and computational structural acoustics and vibration, material systems and technologies for noise and vibration control, vibration-based structural health monitoring/evaluation, machinery noise/vibration and diagnostics, experimental testing in vibration and structural acoustics, applications and case studies in structural acoustics and vibration. Each chapter presents and describes the state of the art, presents current research results and discusses the need for future developments in a particular aspect of vibration and structural acoustics analysis. The book is envisaged to be an appealing text for newcomers to the subject and a useful research study tool for advanced students and faculty members. Practitioners and researchers may also find this book a one-stop reference that addresses current and future challenges in this field. The variety of case studies is expected to stimulate a holistic view of sound and vibration and related fields and to appeal to a broad spectrum of engineers such as the ones in the mechanical, aeronautical, aerospace, civil and electrical communities.

Computational Aspects Of Structural Acoustics And Vibration

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Author : Göran Sandberg
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-06-18

Computational Aspects Of Structural Acoustics And Vibration written by Göran Sandberg 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 2009-06-18 with Technology & Engineering categories.

Computational methods within structural acoustics, vibration and fluid-structure interaction are powerful tools for investigating acoustic and structural-acoustic problems in many sectors of industry; in the building industry regarding room acoustics, in the car industry and aeronautical industry for optimizing structural components with regard to vibrations characteristics etc. It is on the verge of becoming a common tool for noise characterization and design for optimizing structural properties and geometries in order to accomplish a desired acoustic environment. The book covers the field of computational mechanics, and then moved into the field of formulations of multiphysics and multiscale. The book is addressed to graduate level, PhD students and young researchers interested in structural dynamics, vibrations and acoustics. It is also suitable for industrial researchers in mechanical, aeronautical and civil engineering with a professional interest in structural dynamics, vibrations and acoustics or involved in questions regarding noise characterization and reduction in building, car, plane, space, train, industries by means of computer simulations.

A General Methodology For Structural Shape Optimization Problems Using Automatic Adaptive Remeshing

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Author : G. Bugeda
language : es
Publisher:
Release Date : 1992

A General Methodology For Structural Shape Optimization Problems Using Automatic Adaptive Remeshing written by G. Bugeda and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Finite element method categories.

Shape Design Sensitivity Analysis And Optimization Using The Boundary Element Method

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Author : Zhiye Zhao
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Shape Design Sensitivity Analysis And Optimization Using The Boundary Element Method written by Zhiye Zhao 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 2012-12-06 with Technology & Engineering categories.

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.

Structural Sensitivity Analysis And Optimization 1

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Author : Kyung K. Choi
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-12-30

Structural Sensitivity Analysis And Optimization 1 written by Kyung K. Choi 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 2006-12-30 with Science categories.

Extensive numerical methods for computing design sensitivity are included in the text for practical application and software development. The numerical method allows integration of CAD-FEA-DSA software tools, so that design optimization can be carried out using CAD geometric models instead of FEA models. This capability allows integration of CAD-CAE-CAM so that optimized designs can be manufactured effectively.

Structural Sensitivity Analysis And Optimization 2

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Author : K. K. Choi
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-12-22

Structural Sensitivity Analysis And Optimization 2 written by K. K. Choi 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 2006-12-22 with Science categories.

Numerical Shape Optimization With Finite Elements

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Author : Alberto Paganini
language : en
Publisher:
Release Date : 2016

Numerical Shape Optimization With Finite Elements written by Alberto Paganini and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

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.

Numerical Shape Optimization In Structural Acoustics

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