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Author : Frank A. Dvorak
Publisher :
ISBN 13 :
Total Pages : 114 pages
Book Rating : 4.3/5 (91 download)
Download or read book Hybrid Aerodynamic Methods written by Frank A. Dvorak and published by . This book was released on 1984 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ashok Gopalarathnam
Publisher :
ISBN 13 :
Total Pages : 296 pages
Book Rating : 4.:/5 (436 download)
Download or read book Hybrid Methods for Inverse Aerodynamic Design written by Ashok Gopalarathnam and published by . This book was released on 1999 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Benjamin Albert Broughton
Publisher :
ISBN 13 :
Total Pages : 362 pages
Book Rating : 4.:/5 (597 download)
Download or read book A Hybrid Inverse Design Method for Complex Aerodynamic and Hydrodynamic Geometries written by Benjamin Albert Broughton and published by . This book was released on 2004 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Luis Carlos de Castro Santos
Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (289 download)
Download or read book A Hybrid Inverse Optimization Method for Aerodynamic Design of Lifting Surfaces written by Luis Carlos de Castro Santos and published by . This book was released on 1993 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Torsten Berglind
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book A Hybrid Structured-unstructured Grid Method for Aerodynamic Flow Simulations written by Torsten Berglind and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Frederik Thönnißen
Publisher :
ISBN 13 : 9783958864030
Total Pages : pages
Book Rating : 4.8/5 (64 download)
Download or read book Development of a Hybrid Vortex Method for Wind Turbine Rotor Aerodynamics written by Frederik Thönnißen and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ashok Gopalarathnam
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book A Hybrid Approach to Inverse Design of Complex Aerodynamic Systems written by Ashok Gopalarathnam and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yannick Hoarau
Publisher : Springer Nature
ISBN 13 : 3030276074
Total Pages : 412 pages
Book Rating : 4.0/5 (32 download)
Download or read book Progress in Hybrid RANS-LES Modelling written by Yannick Hoarau and published by Springer Nature. This book was released on 2019-11-01 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the proceedings of the Seventh Symposium on Hybrid RANS-LES Methods, which was held on September 17-19 in Berlin, Germany. The different chapters, written by leading experts, reports on the most recent developments in flow physics modelling, and gives a special emphasis to industrially relevant applications of hybrid RANS-LES methods and other turbulence-resolving modelling approaches. The book addresses academic researchers, graduate students, industrial engineers, as well as industrial R&D managers and consultants dealing with turbulence modelling, simulation and measurement, and with multidisciplinary applications of computational fluid dynamics (CFD), such as flow control, aero-acoustics, aero-elasticity and CFD-based multidisciplinary optimization. It discusses in particular advanced hybrid RANS-LES methods. Further topics include wall-modelled Large Eddy Simulation (WMLES) methods, embedded LES, Lattice-Bolzman methods and turbulence-resolving applications and a comparison of the LES methods with both hybrid RANS-LES and URANS methods. Overall, the book provides readers with a snapshot on the state-of-the-art in CFD and turbulence modelling, with a special focus to hybrid RANS-LES methods and their industrial applications.
Author : Rei Okada
Publisher :
ISBN 13 :
Total Pages : 23 pages
Book Rating : 4.:/5 (254 download)
Download or read book New Hybrid Aerodynamic Vibration Technique for Verifying Interactions Between Structural Model and 2D Surrounding Flow written by Rei Okada and published by . This book was released on 2005 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wei Song
Publisher : Frontiers Media SA
ISBN 13 : 2889663809
Total Pages : 213 pages
Book Rating : 4.8/5 (896 download)
Download or read book Recent Advances and Applications of Hybrid Simulation written by Wei Song and published by Frontiers Media SA. This book was released on 2021-01-13 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rose McCallen
Publisher : Springer Science & Business Media
ISBN 13 : 354044419X
Total Pages : 534 pages
Book Rating : 4.5/5 (44 download)
Download or read book The Aerodynamics of Heavy Vehicles: Trucks, Buses, and Trains written by Rose McCallen and published by Springer Science & Business Media. This book was released on 2013-07-30 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is our pleasure to present these proceedings from the United Engineering Foundation Conference on The Aerodynamics of Heavy Vehicles: Trucks, Buses and Trains held December 2-6, 2002, in Monterey, California. This Department of Energy, United Engineering Foundation, and industry sponsored conference brought together 90 leading engineering researchers from around the world to discuss the aerodynamic drag of heavy vehicles. Participants from national labs, academia, and industry, including truck manufacturers, discussed how computer simulation and experimental techniques could be used to design more fuel efficient trucks, buses, and trains. Conference topics included comparison of computational fluid dynamics calculations using both steady and unsteady Reynolds-averaged Navier-Stokes, large-eddy simulation, and hybrid turbulence models and experimental data obtained from the Department of Energy sponsored and other wind tunnel experiments. Advanced experimental techniques including three-dimensional particle image velocimetry were presented, along with their use in evaluating drag reduction devices. We would like to thank the UEF conference organizers for their dedication and quick response to sudden deadlines. In addition, we would like to thank all session chairs, the scientific advisory committee, authors, and reviewers for their many hours of dedicated effort that contributed to a successful conference and resulted in this document of the conference proceedings. We also gratefully acknowledge the support received from the United Engineering Foundation, the US Department of Energy, Lawrence Livermore National Laboratory, Volvo Trucks America, International Truck and Engine Corporation, and Freightliner LLC.
Author : Frankie Gale Moore
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.3/5 (91 download)
Download or read book State-of-the-art Engineering Aeroprediction Methods with Emphasis on New Semiempirical Techniques for Predicting Nonlinear Aerodynamics on Complete Missile Configurations written by Frankie Gale Moore and published by . This book was released on 1993 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report discusses the pros and cons of numerical, semiempirical and empirical aeroprediction codes and lists many state-of-the-art codes in use today. It then summarizes many of the more popular approximate analytical methods used in State-of-the-Art (SOTA) semiempirical aeroprediction codes. It also summarizes some recent new nonlinear semiempirical methods that allow more accurate calculation of static aerodynamics on complete missile configurations to higher angles of attack. Results of static aerodynamic calculations on complete missile configurations compared to wind tunnel data are shown for several configurations at various flight conditions. Calculations show the new nonlinear methods being far superior to some of the former linear technology when used at angles of attack greater than about 15 degrees. Aeroprediction codes, Nonlinear semiempirical methods, State-of-the-Art (SOTA) semiempirical aeroprediction codes, Static aerodynamic calculations.
Author : Werner Haase
Publisher : Springer Science & Business Media
ISBN 13 : 3540927735
Total Pages : 469 pages
Book Rating : 4.5/5 (49 download)
Download or read book DESider – A European Effort on Hybrid RANS-LES Modelling written by Werner Haase and published by Springer Science & Business Media. This book was released on 2009-05-12 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: Preface “In aircraft design, efficiency is determined by the ability to accurately and rel- bly predict the occurrence of, and to model the development of, turbulent flows. Hence, the main objective in industrial computational fluid dynamics (CFD) is to increase the capabilities for an improved predictive accuracy for both complex flows and complex geometries”. This text part taken from Haase et al (2006), - scribing the results of the DESider predecessor project “FLOMANIA” is still - and will be in future valid. With an ever-increasing demand for faster, more reliable and cleaner aircraft, flight envelopes are necessarily shifted into areas of the flow regimes exhibiting highly unsteady and, for military aircraft, unstable flow behaviour. This undou- edly poses major new challenges in CFD; generally stated as an increased pred- tive accuracy whist retaining “affordable” computation times. Together with highly resolved meshes employing millions of nodes, numerical methods must have the inherent capability to predict unsteady flows. Although at present, (U)RANS methods are likely to remain as the workhorses in industry, the DESider project focussed on the development and combination of these approaches with LES methods in order to “bridge” the gap between the much more expensive (due to high Reynolds numbers in flight), but more accurate (full) LES.
Author : Shia-Hui Peng
Publisher : Springer Science & Business Media
ISBN 13 : 3642141684
Total Pages : 361 pages
Book Rating : 4.6/5 (421 download)
Download or read book Progress in Hybrid RANS-LES Modelling written by Shia-Hui Peng and published by Springer Science & Business Media. This book was released on 2010-09-17 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Charles Mockett
Publisher : Univerlagtuberlin
ISBN 13 : 3798321604
Total Pages : 256 pages
Book Rating : 4.7/5 (983 download)
Download or read book A Comprehensive Study of Detached Eddy Simulation written by Charles Mockett and published by Univerlagtuberlin. This book was released on 2009 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Skyler Keil Baugher
Publisher :
ISBN 13 :
Total Pages : 139 pages
Book Rating : 4.:/5 (128 download)
Download or read book Development of a Hybrid Methodology for RANS and LES Modeling of Aerodynamic Flows written by Skyler Keil Baugher and published by . This book was released on 2020 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: In modern Computational Fluid Dynamics (CFD), Direct numerical Simulation (DNS) and Large-Eddy Simulation (LES) are still too computationally expensive for the vast majority of engineering problems. As a result, the combination of low-cost Reynold's Averaged Navier-Stokes (RANS) and LES modeling is at the forefront of modern research. In this thesis, both LES and RANS/LES hybrids were implemented and validated in the codes U2NCLE and Overflow using benchmark problems. The LES models include the Smagorinsky and Wall-Adaptive Local Eddy Viscosity (WALE) models. Validation was performed using the canonical Taylor-Green Vortex (TGV) and Decaying Homogenous Isotropic Turbulence (DHIT) cases where the models were tuned and both the dissipation and wavenumber spectra were analyzed. Upon validation of LES, LES was coupled with the Spalart-Allmaras (SA) and Shear-Stress Transport (SST) RANS models using a series of different functions to blend RANS and LES. These blending functions were calibrated and verified using two common scenarios, namely a zero pressure gradient flat plate and subsonic flow around a cylinder to establish a basis for the future modeling of more complex engineering problems.
Author : Johns Hopkins University. Applied Physics Laboratory
Publisher :
ISBN 13 :
Total Pages : 372 pages
Book Rating : 4.:/5 (89 download)
Download or read book Handbook of Supersonic Aerodynamics written by Johns Hopkins University. Applied Physics Laboratory and published by . This book was released on 1950 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
