Megadesign And Megaopt German Initiatives For Aerodynamic Simulation And Optimization In Aircraft Design

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MEGADESIGN and MegaOpt - German Initiatives for Aerodynamic Simulation and Optimization in Aircraft Design

Norbert Kroll,Dieter Schwamborn,Klaus Becker,Herbert Rieger,Frank Thiele
MEGADESIGN and MegaOpt German Initiatives for Aerodynamic Simulation and Optimization in Aircraft Design Book PDF

Author : Norbert Kroll,Dieter Schwamborn,Klaus Becker,Herbert Rieger,Frank Thiele
Publisher : Springer Science & Business Media
Page : 311 pages
File Size : 40,8 Mb
Release : 2009-11-18
Category : Technology & Engineering
ISBN : 9783642040931

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MEGADESIGN and MegaOpt - German Initiatives for Aerodynamic Simulation and Optimization in Aircraft Design by Norbert Kroll,Dieter Schwamborn,Klaus Becker,Herbert Rieger,Frank Thiele Pdf

This volume contains results of the German CFD initiative MEGADESIGN which combines CFD development activities from DLR, universities and aircraft industry. Based on the DLR flow solvers FLOWer and TAU the main objectives of the four-years project is to ensure the prediction accuracy with a guaranteed error bandwidth for certain aircraft configurations at design conditions, to reduce the simulation turn-around time for large-scale applications significantly, to improve the reliability of the flow solvers for full aircraft configurations in the complete flight regime, to extend the flow solvers to allow for multidisciplinary simulations and to establish numerical shape optimization as a vital tool within the aircraft design process. This volume highlights recent improvements and enhancements of the flow solvers as well as new developments with respect to aerodynamic and multidisciplinary shape optimization. Improved numerical simulation capabilities are demonstrated by several industrial applications.

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 : 45,5 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.

Constrained Optimization and Optimal Control for Partial Differential Equations

Günter Leugering,Sebastian Engell,Andreas Griewank,Michael Hinze,Rolf Rannacher,Volker Schulz,Michael Ulbrich,Stefan Ulbrich
Constrained Optimization and Optimal Control for Partial Differential Equations Book PDF

Author : Günter Leugering,Sebastian Engell,Andreas Griewank,Michael Hinze,Rolf Rannacher,Volker Schulz,Michael Ulbrich,Stefan Ulbrich
Publisher : Springer Science & Business Media
Page : 622 pages
File Size : 51,7 Mb
Release : 2012-01-03
Category : Mathematics
ISBN : 9783034801331

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Constrained Optimization and Optimal Control for Partial Differential Equations by Günter Leugering,Sebastian Engell,Andreas Griewank,Michael Hinze,Rolf Rannacher,Volker Schulz,Michael Ulbrich,Stefan Ulbrich Pdf

This special volume focuses on optimization and control of processes governed by partial differential equations. The contributors are mostly participants of the DFG-priority program 1253: Optimization with PDE-constraints which is active since 2006. The book is organized in sections which cover almost the entire spectrum of modern research in this emerging field. Indeed, even though the field of optimal control and optimization for PDE-constrained problems has undergone a dramatic increase of interest during the last four decades, a full theory for nonlinear problems is still lacking. The contributions of this volume, some of which have the character of survey articles, therefore, aim at creating and developing further new ideas for optimization, control and corresponding numerical simulations of systems of possibly coupled nonlinear partial differential equations. The research conducted within this unique network of groups in more than fifteen German universities focuses on novel methods of optimization, control and identification for problems in infinite-dimensional spaces, shape and topology problems, model reduction and adaptivity, discretization concepts and important applications. Besides the theoretical interest, the most prominent question is about the effectiveness of model-based numerical optimization methods for PDEs versus a black-box approach that uses existing codes, often heuristic-based, for optimization.

Mechanical Design Engineering Handbook

Peter R. N. Childs
Mechanical Design Engineering Handbook Book PDF

Author : Peter R. N. Childs
Publisher : Butterworth-Heinemann
Page : 982 pages
File Size : 54,9 Mb
Release : 2018-11-24
Category : Technology & Engineering
ISBN : 9780081023686

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Mechanical Design Engineering Handbook by Peter R. N. Childs Pdf

Mechanical Design Engineering Handbook, Second Edition, is a straight-talking and forward-thinking reference covering the design, specification, selection, use and integration of the machine elements that are fundamental to a wide range of engineering applications. This updated edition includes new material on tolerancing, alternative approaches to design, and robotics, as well as references to the latest ISO and US engineering regulations. Sections cover bearings, shafts, gears, seals, belts and chains, clutches and brakes, springs, fasteners, pneumatics and hydraulics, amongst other core mechanical elements. This practical handbook is an ideal shelf reference for those working in mechanical design across a variety of industries. In addition, it is also a valuable learning resource for advanced students undertaking engineering design modules and projects as part of broader mechanical, aerospace, automotive and manufacturing programs. Presents a clear, concise text that explains key component technology, with step-by-step procedures, fully worked design scenarios, component images and cross-sectional line drawings Provides essential data, equations and interactive ancillaries, including calculation spreadsheets, to inform decision-making, design evaluation and incorporation of components into overall designs Includes procedures and methods that are covered to national and international standards where appropriate New to this edition: flow-charts to help select technology; Failure Mode Effects Analysis (FMEA), product, service and system design models, Functional Analysis Diagrams (FADs), Design for Excellence (DFX), Design for MADE, and the process of remanufacture

ADIGMA – A European Initiative on the Development of Adaptive Higher-Order Variational Methods for Aerospace Applications

Norbert Kroll,Heribert Bieler,Herman Deconinck,Vincent Couaillier,Harmen van der Ven,Kaare Sorensen
ADIGMA A European Initiative on the Development of Adaptive Higher Order Variational Methods for Aerospace Applications Book PDF

Author : Norbert Kroll,Heribert Bieler,Herman Deconinck,Vincent Couaillier,Harmen van der Ven,Kaare Sorensen
Publisher : Springer Science & Business Media
Page : 498 pages
File Size : 54,7 Mb
Release : 2010-09-18
Category : Technology & Engineering
ISBN : 9783642037078

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ADIGMA – A European Initiative on the Development of Adaptive Higher-Order Variational Methods for Aerospace Applications by Norbert Kroll,Heribert Bieler,Herman Deconinck,Vincent Couaillier,Harmen van der Ven,Kaare Sorensen Pdf

This volume contains results gained from the EU-funded 6th Framework project ADIGMA (Adaptive Higher-order Variational Methods for Aerodynamic Applications in Industry). The goal of ADIGMA was the development and utilization of innovative adaptive higher-order methods for the compressible flow equations enabling reliable, mesh independent numerical solutions for large-scale aerodynamic applications in aircraft industry. The ADIGMA consortium was comprised of 22 organizations which included the main European aircraft manufacturers, the major European research establishments and several universities, all with well proven expertise in Computational Fluid Dynamics (CFD). The book presents an introduction to the project, exhibits partners’ methods and approaches and provides a critical assessment of the newly developed methods for industrial aerodynamic applications. The best numerical strategies for integration as major building blocks for the next generation of industrial flow solvers are identified.

Computational Optimization of Systems Governed by Partial Differential Equations

Alfio Borzi,Volker Schulz
Computational Optimization of Systems Governed by Partial Differential Equations Book PDF

Author : Alfio Borzi,Volker Schulz
Publisher : SIAM
Page : 302 pages
File Size : 54,8 Mb
Release : 2011-01-01
Category : Mathematics
ISBN : 1611972051

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Computational Optimization of Systems Governed by Partial Differential Equations by Alfio Borzi,Volker Schulz Pdf

This book fills a gap between theory-oriented investigations in PDE-constrained optimization and the practical demands made by numerical solutions of PDE optimization problems. The authors discuss computational techniques representing recent developments that result from a combination of modern techniques for the numerical solution of PDEs and for sophisticated optimization schemes. The book offers readers a combined treatment of PDE-constrained optimization and uncertainties and an extensive discussion of multigrid optimization. It provides a bridge between continuous optimization and PDE modeling and focuses on the numerical solution of the corresponding problems.

Mechanical Design

T.H.C. Childs
Mechanical Design Book PDF

Author : T.H.C. Childs
Publisher : Butterworth-Heinemann
Page : 474 pages
File Size : 55,6 Mb
Release : 2021-06-29
Category : Technology & Engineering
ISBN : 9780128211038

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Mechanical Design by T.H.C. Childs Pdf

Mechanical Design: Theory and Applications, Third Edition introduces the design and selection of common mechanical engineering components and machine elements, hence providing the foundational "building blocks" engineers needs to practice their art. In this book, readers will learn how to develop detailed mechanical design skills in the areas of bearings, shafts, gears, seals, belt and chain drives, clutches and brakes, and springs and fasteners. Where standard components are available from manufacturers, the steps necessary for their specification and selection are thoroughly developed. Descriptive and illustrative information is used to introduce principles, individual components, and the detailed methods and calculations that are necessary to specify and design or select a component. As well as thorough descriptions of methodologies, this book also provides a wealth of valuable reference information on codes and regulations. Presents new material on key topics, including actuators for robotics, alternative design methodologies, and practical engineering tolerancing Clearly explains best practice for design decision-making Provides end-of-chapter case studies that tie theory and methods together Includes up-to-date references on all standards relevant to mechanical design, including ASNI, ASME, BSI, AGMA, DIN and ISO

Summary of Flow Modulation and Fluid-Structure Interaction Findings

Wolfgang Schröder
Summary of Flow Modulation and Fluid Structure Interaction Findings Book PDF

Author : Wolfgang Schröder
Publisher : Springer Science & Business Media
Page : 434 pages
File Size : 52,9 Mb
Release : 2010-05-16
Category : Technology & Engineering
ISBN : 9783642040887

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Summary of Flow Modulation and Fluid-Structure Interaction Findings by Wolfgang Schröder Pdf

The Collaborative Research Center SFB 401: Flow Modulation and Fluid-Structure Interaction at Airplane Wings investigates numerically and experimentally fundamental problems of very high capacity aircraft having large elastic wings. This issue summarizes the findings of the 12-year research program at RWTH Aachen University which was funded by the Deutsche Forschungsgemeinschaft (DFG) from 1997 through 2008. The research program covered the following three main topics of large transport aircraft: (i) Model flow, wakes, and vortices of airplanes in high-lift-configuration, (ii) Numerical tools for large scale adaptive flow simulation based on multiscale analysis and a parametric mapping concept for grid generation, and (iii) Validated computational design tools based on direct aeroelastic simulation with reduced structural models.

New Results in Numerical and Experimental Fluid Mechanics VII

Andreas Dillmann,Gerd Heller,Wolfgang Schröder,Wolfgang Nitsche,Michael Klaas,Hans-Peter Kreplin
New Results in Numerical and Experimental Fluid Mechanics VII Book PDF

Author : Andreas Dillmann,Gerd Heller,Wolfgang Schröder,Wolfgang Nitsche,Michael Klaas,Hans-Peter Kreplin
Publisher : Springer Science & Business Media
Page : 629 pages
File Size : 47,6 Mb
Release : 2010-10-05
Category : Technology & Engineering
ISBN : 9783642142437

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New Results in Numerical and Experimental Fluid Mechanics VII by Andreas Dillmann,Gerd Heller,Wolfgang Schröder,Wolfgang Nitsche,Michael Klaas,Hans-Peter Kreplin Pdf

th This volume contains the papers presented at the 16 DGLR/STAB-Symposium held at the Eurogress Aachen and organized by RWTH Aachen University, Germany, November, 3 - 4, 2008. STAB is the German Aerospace Aerodynamics Association, founded towards the end of the 1970's, whereas DGLR is the German Society for Aeronautics and Astronautics (Deutsche Gesellschaft für Luft- und Raumfahrt - Lilienthal Oberth e.V.). The mission of STAB is to foster development and acceptance of the discipline “Aerodynamics” in Germany. One of its general guidelines is to concentrate resources and know-how in the involved institutions and to avoid duplication in research work as much as possible. Nowadays, this is more necessary than ever. The experience made in the past makes it easier now, to obtain new knowledge for solving today's and tomorrow's problems. STAB unites German scientists and engineers from universities, research-establishments and industry doing research and project work in numerical and experimental fluid mechanics and aerodynamics for aerospace and other applications. This has always been the basis of numerous common research activities sponsored by different funding agencies. Since 1986 the symposium has taken place at different locations in Germany every two years. In between STAB workshops regularly take place at the DLR in Göttingen.

Computational Science and High Performance Computing IV

Egon Krause,Yurii Shokin,Michael M. Resch,Dietmar Kröner,Nina Shokina
Computational Science and High Performance Computing IV Book PDF

Author : Egon Krause,Yurii Shokin,Michael M. Resch,Dietmar Kröner,Nina Shokina
Publisher : Springer Science & Business Media
Page : 390 pages
File Size : 43,9 Mb
Release : 2011-01-21
Category : Technology & Engineering
ISBN : 9783642177705

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Computational Science and High Performance Computing IV by Egon Krause,Yurii Shokin,Michael M. Resch,Dietmar Kröner,Nina Shokina Pdf

This volume contains 27 contributions to the Forth Russian-German Advanced Research Workshop on Computational Science and High Performance Computing presented in October 2009 in Freiburg, Germany. The workshop was organized jointly by the High Performance Computing Center Stuttgart (HLRS), the Institute of Computational Technologies of the Siberian Branch of the Russian Academy of Sciences (ICT SB RAS) and the Section of Applied Mathematics of the University of Freiburg (IAM Freiburg) The contributions range from computer science, mathematics and high performance computing to applications in mechanical and aerospace engineering. They show a wealth of theoretical work and simulation experience with a potential of bringing together theoretical mathematical modelling and usage of high performance computing systems presenting the state of the art of computational technologies.

Progress in Hybrid RANS-LES Modelling

Shia-Hui Peng,Piotr Doerffer,Werner Haase
Progress in Hybrid RANS LES Modelling Book PDF

Author : Shia-Hui Peng,Piotr Doerffer,Werner Haase
Publisher : Springer Science & Business Media
Page : 361 pages
File Size : 46,9 Mb
Release : 2010-09-17
Category : Technology & Engineering
ISBN : 9783642141683

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Progress in Hybrid RANS-LES Modelling by Shia-Hui Peng,Piotr Doerffer,Werner Haase Pdf

Hybrid modelling of turbulent flows, combining RANS and LES techniques, has received increasing attention over the past decade to fill the gap between (U)RANS and LES computations in aerodynamic applications at industrially relevant Reynolds numbers. With the advantage of hybrid RANS-LES modelling approaches, being considerably more computationally efficient than full LES and more accurate than (U)RANS, particularly for unsteady aerodynamic flows, has motivated numerous research and development activities. These activities have been increasingly stimulated by the provision of modern computing facilities. The present book contains the contributions presented at the Third Symposium on Hybrid RANS-LES Methods, held in Gdansk, Poland, 10-12 June 2009. To a certain extent, this conference was a continuation of the first symposium taking place in Stockholm (Sweden, 2005) and the second in Corfu (Greece, 2007). Motivated by the extensive interest in the research community, the papers presented at the Corfu symposium were published by Springer in the book entitled “Advances in Hybrid RANS-LES Modelling” (in Notes on Numerical Fluid Mechanics and Multidisciplinary Design, Vol. 97). At the Gdansk symposium, along with four invited keynotes, given respectively by S. Fu, U. Michel, M. Sillen and P. Spalart, another 28 papers were presented on the following topics: Unsteady RANS, LES, Improved DES Methods, Hybrid RANS-LES Methods, DES versus URANS and other Hybrid Methods, Modelli- related Numerical Issues and Industrial Applications. After the symposium all full papers have been further reviewed and revised for publication in the present book.

Noise and Vibration Mitigation for Rail Transportation Systems

Tatsuo Maeda,Pierre-Etienne Gautier,Carl Hanson,Brian Hemsworth,James Nelson,Burkhard Schulte-Werning,David Thompson,Paul Vos
Noise and Vibration Mitigation for Rail Transportation Systems Book PDF

Author : Tatsuo Maeda,Pierre-Etienne Gautier,Carl Hanson,Brian Hemsworth,James Nelson,Burkhard Schulte-Werning,David Thompson,Paul Vos
Publisher : Springer Science & Business Media
Page : 575 pages
File Size : 40,6 Mb
Release : 2011-10-30
Category : Technology & Engineering
ISBN : 9784431539278

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Noise and Vibration Mitigation for Rail Transportation Systems by Tatsuo Maeda,Pierre-Etienne Gautier,Carl Hanson,Brian Hemsworth,James Nelson,Burkhard Schulte-Werning,David Thompson,Paul Vos Pdf

This volume contains the contributions to the 10th International Workshop on Railway Noise, held October 18–22, 2010, in Nagahama, Japan, organized by the Railway Technical Research Institute (RTRI), Japan. With 11 sessions and 3 poster sessions, the workshop featured presentations by international leaders in the field of railway noise and vibration. All subjects relating to 1. prospects, legal regulation, and perception; 2. wheel and rail noise; 3. structure-borne noise and squeal noise; 4. ground-borne vibration; 5. aerodynamic noise and micro-pressure waves from tunnel portals; 6. interior noise and sound barriers; and 7. prediction, measurements, and monitoring are addressed here. This book is a useful “state-of-the-art” reference for scientists and engineers involved in solving environmental problems of railways.

Fundamental Medical and Engineering Investigations on Protective Artificial Respiration

Michael Klaas,Edmund Koch,Wolfgang Schröder
Fundamental Medical and Engineering Investigations on Protective Artificial Respiration Book PDF

Author : Michael Klaas,Edmund Koch,Wolfgang Schröder
Publisher : Springer Science & Business Media
Page : 191 pages
File Size : 50,7 Mb
Release : 2011-04-11
Category : Technology & Engineering
ISBN : 9783642203268

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Fundamental Medical and Engineering Investigations on Protective Artificial Respiration by Michael Klaas,Edmund Koch,Wolfgang Schröder Pdf

This volume contains a collection of papers from the research program “Protective Artificial Respiration (PAR)”. In 2005 the German Research Association DFG launched the research program PAR which is a joint initiative of medicine and fluid mechanics. The main long-term objective of this program is the development of a more protective artificial respiratory system to reduce the physical stress of patients undergoing artificial respiration. To satisfy this goal 11 projects have been defined. In each of these projects scientists from medicine and fluid mechanics do collaborate in several experimental and numerical investigations to improve the fundamental knowledge on respiration and to develop a more individual artificial breathing concept.

Nature-Inspired Fluid Mechanics

Cameron Tropea,Horst Bleckmann
Nature Inspired Fluid Mechanics Book PDF

Author : Cameron Tropea,Horst Bleckmann
Publisher : Springer Science & Business Media
Page : 367 pages
File Size : 41,7 Mb
Release : 2012-02-22
Category : Technology & Engineering
ISBN : 9783642283024

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Nature-Inspired Fluid Mechanics by Cameron Tropea,Horst Bleckmann Pdf

This book is the closing report of the national priority program Nature-Inspired Fluid Mechanics (Schwerpunktprogramm SPP 1207: Strömungsbeeinflussung in der Natur und Technik). Nature-inspired fluid mechanics is one subset of biomimetics, a discipline which has received increased attention over the last decade, with numerous faculties and degree courses devoted solely to exploring ‘nature as a model’ for engineering applications. To save locomotion energy, evolution has optimized the design of animals such that friction loss is minimized. In addition to many morphological adaptations, animals that are often exposed to water or air currents have developed special behaviors that allow them to use the energy contained in air or water fluctuations for energy savings. Such flow manipulation and control is not only important for many animals, but also for many engineering applications. Since living beings have been optimized by several million years of evolution it is very likely that many engineering disciplines can profit from the study of systems found in nature. Curiously, there has been little serious cross-disciplinary work and information exchange on the topic of fluid dynamics and flow control and this was the initial motivation to establish this national priority program.

Turbulence and Interactions

Michel Deville,Thien-Hiep Lê,Pierre Sagaut
Turbulence and Interactions Book PDF

Author : Michel Deville,Thien-Hiep Lê,Pierre Sagaut
Publisher : Springer Science & Business Media
Page : 402 pages
File Size : 44,7 Mb
Release : 2010-09-28
Category : Technology & Engineering
ISBN : 9783642141393

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Turbulence and Interactions by Michel Deville,Thien-Hiep Lê,Pierre Sagaut Pdf

This volume contains six keynote lectures and 44 contributed papers of the TI 2009 conference that was held in Saint-Luce, La Martinique, May 31-June 5, 2009. These lectures address the latest developments in direct numerical simulations, large eddy simulations, compressible turbulence, coherent structures, droplets, two-phase flows, etc. The present monograph is a snapshot of the state-of-the-art in the field of turbulence with a broad view on theory, experiments and numerical simulations.