Management And Minimisation Of Uncertainties And Errors In Numerical Aerodynamics

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Management and Minimisation of Uncertainties and Errors in Numerical Aerodynamics

Bernhard Eisfeld,Holger Barnewitz,Willy Fritz,Frank Thiele
Management and Minimisation of Uncertainties and Errors in Numerical Aerodynamics Book PDF

Author : Bernhard Eisfeld,Holger Barnewitz,Willy Fritz,Frank Thiele
Publisher : Springer Science & Business Media
Page : 344 pages
File Size : 54,9 Mb
Release : 2013-02-11
Category : Science
ISBN : 9783642361852

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Management and Minimisation of Uncertainties and Errors in Numerical Aerodynamics by Bernhard Eisfeld,Holger Barnewitz,Willy Fritz,Frank Thiele Pdf

This volume reports results from the German research initiative MUNA (Management and Minimization of Errors and Uncertainties in Numerical Aerodynamics), which combined development activities of the German Aerospace Center (DLR), German universities and German aircraft industry. The main objective of this five year project was the development of methods and procedures aiming at reducing various types of uncertainties that are typical of numerical flow simulations. The activities were focused on methods for grid manipulation, techniques for increasing the simulation accuracy, sensors for turbulence modelling, methods for handling uncertainties of the geometry and grid deformation as well as stochastic methods for quantifying aleatoric uncertainties.

Uncertainty Management for Robust Industrial Design in Aeronautics

Charles Hirsch,Dirk Wunsch,Jacek Szumbarski,Łukasz Łaniewski-Wołłk,Jordi Pons-Prats
Uncertainty Management for Robust Industrial Design in Aeronautics Book PDF

Author : Charles Hirsch,Dirk Wunsch,Jacek Szumbarski,Łukasz Łaniewski-Wołłk,Jordi Pons-Prats
Publisher : Springer
Page : 819 pages
File Size : 49,6 Mb
Release : 2018-07-21
Category : Technology & Engineering
ISBN : 9783319777672

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Uncertainty Management for Robust Industrial Design in Aeronautics by Charles Hirsch,Dirk Wunsch,Jacek Szumbarski,Łukasz Łaniewski-Wołłk,Jordi Pons-Prats Pdf

This book covers cutting-edge findings related to uncertainty quantification and optimization under uncertainties (i.e. robust and reliable optimization), with a special emphasis on aeronautics and turbomachinery, although not limited to these fields. It describes new methods for uncertainty quantification, such as non-intrusive polynomial chaos, collocation methods, perturbation methods, as well as adjoint based and multi-level Monte Carlo methods. It includes methods for characterization of most influential uncertainties, as well as formulations for robust and reliable design optimization. A distinctive element of the book is the unique collection of test cases with prescribed uncertainties, which are representative of the current engineering practice of the industrial consortium partners involved in UMRIDA, a level 1 collaborative project within the European Commission's Seventh Framework Programme (FP7). All developed methods are benchmarked against these industrial challenges. Moreover, the book includes a section dedicated to Best Practice Guidelines for uncertainty quantification and robust design optimization, summarizing the findings obtained by the consortium members within the UMRIDA project. All in all, the book offers a authoritative guide to cutting-edge methodologies for uncertainty management in engineering design, covers a wide range of applications and discusses new ideas for future research and interdisciplinary collaborations.

New Results in Numerical and Experimental Fluid Mechanics X

Andreas Dillmann,Gerd Heller,Ewald Krämer,Claus Wagner,Christian Breitsamter
New Results in Numerical and Experimental Fluid Mechanics X Book PDF

Author : Andreas Dillmann,Gerd Heller,Ewald Krämer,Claus Wagner,Christian Breitsamter
Publisher : Springer
Page : 897 pages
File Size : 42,6 Mb
Release : 2016-03-28
Category : Technology & Engineering
ISBN : 9783319272795

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New Results in Numerical and Experimental Fluid Mechanics X by Andreas Dillmann,Gerd Heller,Ewald Krämer,Claus Wagner,Christian Breitsamter Pdf

This book presents contributions to the 19th biannual symposium of the German Aerospace Aerodynamics Association (STAB) and the German Society for Aeronautics and Astronautics (DGLR). The individual chapters reflect ongoing research conducted by the STAB members in the field of numerical and experimental fluid mechanics and aerodynamics, mainly for (but not limited to) aerospace applications, and cover both nationally and EC-funded projects. Special emphasis is given to collaborative research projects conducted by German scientists and engineers from universities, research-establishments and industries. By addressing a number of cutting-edge applications, together with the relevant physical and mathematics fundamentals, the book provides readers with a comprehensive overview of the current research work in the field. Though the book’s primary emphasis is on the aerospace context, it also addresses further important applications, e.g. in ground transportation and energy.

New Results in Numerical and Experimental Fluid Mechanics XIV

Andreas Dillmann,Gerd Heller,Ewald Krämer,Claus Wagner,Julien Weiss
New Results in Numerical and Experimental Fluid Mechanics XIV Book PDF

Author : Andreas Dillmann,Gerd Heller,Ewald Krämer,Claus Wagner,Julien Weiss
Publisher : Springer Nature
Page : 700 pages
File Size : 46,8 Mb
Release : 2023-10-24
Category : Technology & Engineering
ISBN : 9783031404825

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New Results in Numerical and Experimental Fluid Mechanics XIV by Andreas Dillmann,Gerd Heller,Ewald Krämer,Claus Wagner,Julien Weiss Pdf

This book offers timely insights into research on numerical and experimental fluid mechanics and aerodynamics, mainly for (but not limited to) aerospace applications. It reports on findings by members of the Deutsche Strömungsmechanische Arbeitsgemeinschaft, STAB (German Aerodynamics/Fluid Mechanics Association) and the Deutsche Gesellschaft für Luft- und Raumfahrt - Lilienthal Oberth e.V., DGLR (German Society for Aeronautics and Astronautics) and covers both nationally and EC-funded projects. Continuing on the tradition of the previous volumes, the book highlights innovative solutions, promoting translation from fundamental research to industrial applications. It addresses academics and professionals in the field of aeronautics, astronautics, ground transportation, and energy alike.

Sparse Grids and Applications - Munich 2018

Hans-Joachim Bungartz,Jochen Garcke,Dirk Pflüger
Sparse Grids and Applications Munich 2018 Book PDF

Author : Hans-Joachim Bungartz,Jochen Garcke,Dirk Pflüger
Publisher : Springer Nature
Page : 268 pages
File Size : 50,9 Mb
Release : 2022-03-14
Category : Mathematics
ISBN : 9783030813628

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Sparse Grids and Applications - Munich 2018 by Hans-Joachim Bungartz,Jochen Garcke,Dirk Pflüger Pdf

Sparse grids are a popular tool for the numerical treatment of high-dimensional problems. Where classical numerical discretization schemes fail in more than three or four dimensions, sparse grids, in their different flavors, are frequently the method of choice. This volume of LNCSE presents selected papers from the proceedings of the fifth workshop on sparse grids and applications, and demonstrates once again the importance of this numerical discretization scheme. The articles present recent advances in the numerical analysis of sparse grids in connection with a range of applications including uncertainty quantification, plasma physics simulations, and computational chemistry, to name but a few.

AeroStruct: Enable and Learn How to Integrate Flexibility in Design

Ralf Heinrich
AeroStruct Enable and Learn How to Integrate Flexibility in Design Book PDF

Author : Ralf Heinrich
Publisher : Springer
Page : 304 pages
File Size : 52,7 Mb
Release : 2018-01-30
Category : Technology & Engineering
ISBN : 9783319720203

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AeroStruct: Enable and Learn How to Integrate Flexibility in Design by Ralf Heinrich Pdf

This book reports on the German research initiative AeroStruct, a three-year collaborative project between universities and the aircraft industry. It describes the development of an integrated multidisciplinary simulation environment for aircraft analysis and optimization using high-fidelity methods. This system is able to run at a high level of automatism, thus representing a step forward with respect to previous ones. Its special features are: a CAD description that is independent from the disciplines involved, an automated CFD mesh generation and an automated structure model generation including a sizing process. The book also reports on test cases by both industrial partners and DLR demonstrating the advantages of the new environment and its suitability for the industry. These results were also discussed during the AeroStruct closing Symposium, which took place on 13-14 October 2015 at the DLR in Braunschweig, Germany. The book provides expert readers with a timely report on multidisciplinary aircraft design and optimization. Thanks to a good balance between theory and practice, it is expected to address an audience of both academics and professional, and to offer them new ideas for future research and development.

New Results in Numerical and Experimental Fluid Mechanics IX

Andreas Dillmann,Gerd Heller,Ewald Krämer,Hans-Peter Kreplin,Wolfgang Nitsche,Ulrich Rist
New Results in Numerical and Experimental Fluid Mechanics IX Book PDF

Author : Andreas Dillmann,Gerd Heller,Ewald Krämer,Hans-Peter Kreplin,Wolfgang Nitsche,Ulrich Rist
Publisher : Springer Science & Business Media
Page : 640 pages
File Size : 53,9 Mb
Release : 2014-01-25
Category : Technology & Engineering
ISBN : 9783319031583

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New Results in Numerical and Experimental Fluid Mechanics IX by Andreas Dillmann,Gerd Heller,Ewald Krämer,Hans-Peter Kreplin,Wolfgang Nitsche,Ulrich Rist Pdf

This book presents contributions to the 18th biannual symposium of the German Aerospace Aerodynamics Association (STAB). The individual chapters reflect ongoing research conducted by the STAB members in the field of numerical and experimental fluid mechanics and aerodynamics, mainly for (but not limited to) aerospace applications, and cover both nationally and EC-funded projects. By addressing a number of essential research subjects, together with their related physical and mathematics fundamentals, the book provides readers with a comprehensive overview of the current research work in the field, as well as its main challenges and new directions. Current work on e.g. high aspect-ratio and low aspect-ratio wings, bluff bodies, laminar flow control and transition, active flow control, hypersonic flows, aeroelasticity, aeroacoustics and biofluid mechanics is exhaustively discussed here.

International Assessment of Research and Development in Simulation-based Engineering and Science

Sharon C. Glotzer
International Assessment of Research and Development in Simulation based Engineering and Science Book PDF

Author : Sharon C. Glotzer
Publisher : World Scientific
Page : 313 pages
File Size : 50,9 Mb
Release : 2011
Category : Mathematics
ISBN : 9781848166974

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International Assessment of Research and Development in Simulation-based Engineering and Science by Sharon C. Glotzer Pdf

Simulation-Based Engineering and Science (SBE&S) cuts across disciplines, showing tremendous promise in areas from storm prediction and climate modeling to understanding the brain and the behavior of numerous other complex systems.In this groundbreaking volume, nine distinguished leaders assess the latest research trends, as a result of 52 site visits in Europe and Asia and hundreds of hours of expert interviews, and discuss the implications of their findings for the US government.The authors conclude that while the US remains the quantitative leader in SBE&S research and development, it is very much in danger of losing that edge to Europe and Asia.Commissioned by the National Science Foundation, this multifaceted study will capture the attention of Fortune 500 companies and policymakers.Distinguished contributors: Sharon C Goltzer, University of Michigan, Ann Arbor, USA Sangtae Kim, Morgridge Institute for Research, USA Peter T Cummings, Vanderbilt University, USA and Oak Ridge National Laboratory, USA Abhijit Deshmukh, Texas A&M University, USA Martin Head-Gordon, University of California, Berkeley, USA George Em Karniadakis, Brown University, USA Linda Petzold, University of California, Santa Barbara, USA Celeste Sagui, North Carolina State University, USA Masanobu Shinozuka, University of California, Irvine, USA

Advanced Techniques for Clearance of Flight Control Laws

Chris Fielding,Andras Varga,Samir Bennani,Michiel Selier
Advanced Techniques for Clearance of Flight Control Laws Book PDF

Author : Chris Fielding,Andras Varga,Samir Bennani,Michiel Selier
Publisher : Springer
Page : 474 pages
File Size : 53,6 Mb
Release : 2003-07-01
Category : Technology & Engineering
ISBN : 9783540458647

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Advanced Techniques for Clearance of Flight Control Laws by Chris Fielding,Andras Varga,Samir Bennani,Michiel Selier Pdf

In this book recent results of the GARTEUR (Group for Aeronautical Research and Technology in Europe) Action Group FM (AG11) are presented. The book focuses on analysis techniques for the flight clearance of highly augmented aircrafts, including contributions of 20 European aeronautical organisations such as National Research Centers, Aerospace Industries and Universities. The tasks and requirements of the Industrial Clearance Process for Flight Control Laws are presented as well as classical and particularly new analysis methods. The different methods are evaluated and compared and their potential application to Civil Aircraft is demonstrated.

Quantification of Uncertainty in Computational Fluid Dynamics

Ismail Celik
Quantification of Uncertainty in Computational Fluid Dynamics Book PDF

Author : Ismail Celik
Publisher : American Society of Mechanical Engineers
Page : 140 pages
File Size : 47,6 Mb
Release : 1993
Category : Science
ISBN : STANFORD:36105008914603

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Quantification of Uncertainty in Computational Fluid Dynamics by Ismail Celik Pdf

Proceedings of a symposium held at the 1993 ASME Fluid Engineering Conference to provide practical methods by which it would be possible to identify the sources of different errors in CFD and to calculate some bounds for them. The papers cover a wide range of topics, including theoretical bases for iterative convergence, grid-refinement errors with emphasis on Richardson extrapolation, applications of Richardson exptrapolation to laminar and turbulent flows, errors due to boundary conditions and domain dependence, and a practical method for reporting grid-refinement studies. No index. Acidic paper. Annotation copyright by Book News, Inc., Portland, OR