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Author :
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ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (317 download)
Download or read book CFD Methods Development Considerations for Unsteady Aerodynamic Analysis written by and published by . This book was released on 1992 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : P.G. Tucker
Publisher : Springer Science & Business Media
ISBN 13 : 9400770499
Total Pages : 432 pages
Book Rating : 4.4/5 (7 download)
Download or read book Unsteady Computational Fluid Dynamics in Aeronautics written by P.G. Tucker and published by Springer Science & Business Media. This book was released on 2013-08-30 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of Large Eddy Simulation (LES) and hybrids is a vibrant research area. This book runs through all the potential unsteady modelling fidelity ranges, from low-order to LES. The latter is probably the highest fidelity for practical aerospace systems modelling. Cutting edge new frontiers are defined. One example of a pressing environmental concern is noise. For the accurate prediction of this, unsteady modelling is needed. Hence computational aeroacoustics is explored. It is also emerging that there is a critical need for coupled simulations. Hence, this area is also considered and the tensions of utilizing such simulations with the already expensive LES. This work has relevance to the general field of CFD and LES and to a wide variety of non-aerospace aerodynamic systems (e.g. cars, submarines, ships, electronics, buildings). Topics treated include unsteady flow techniques; LES and hybrids; general numerical methods; computational aeroacoustics; computational aeroelasticity; coupled simulations and turbulence and its modelling (LES, RANS, transition, VLES, URANS). The volume concludes by pointing forward to future horizons and in particular the industrial use of LES. The writing style is accessible and useful to both academics and industrial practitioners. From the reviews: "Tucker's volume provides a very welcome, concise discussion of current capabilities for simulating and modellng unsteady aerodynamic flows. It covers the various pos sible numerical techniques in good, clear detail and presents a very wide range of practical applications; beautifully illustrated in many cases. This book thus provides a valuable text for practicing engineers, a rich source of background information for students and those new to this area of Research & Development, and an excellent state-of-the-art review for others. A great achievement." Mark Savill FHEA, FRAeS, C.Eng, Professor of Computational Aerodynamics Design & Head of Power & Propulsion Sciences, Department of Power & Propulsion, School of Engineering, Cranfield University, Bedfordshire, U.K. "This is a very useful book with a wide coverage of many aspects in unsteady aerodynamics method development and applications for internal and external flows." L. He, Rolls-Royce/RAEng Chair of Computational Aerothermal Engineering, Oxford University, U.K. "This comprehensive book ranges from classical concepts in both numerical methods and turbulence modelling approaches for the beginner to latest state-of-the-art for the advanced practitioner and constitutes an extremely valuable contribution to the specific Computational Fluid Dynamics literature in Aeronautics. Student and expert alike will benefit greatly by reading it from cover to cover." Sébastien Deck, Onera, Meudon, France
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Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (317 download)
Download or read book Development of Unstructured Grid Methods for Steady and Unsteady Aerodynamic Analysis written by and published by . This book was released on 1990 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jay C. Hardin
Publisher : Springer Science & Business Media
ISBN 13 : 1461383420
Total Pages : 525 pages
Book Rating : 4.4/5 (613 download)
Download or read book Computational Aeroacoustics written by Jay C. Hardin and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 525 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational aeroacoustics is rapidly emerging as an essential element in the study of aerodynamic sound. As with all emerging technologies, it is paramount that we assess the various opportuni ties and establish achievable goals for this new technology. Essential to this process is the identification and prioritization of fundamental aeroacoustics problems which are amenable to direct numerical siIn ulation. Questions, ranging from the role numerical methods play in the classical theoretical approaches to aeroacoustics, to the correct specification of well-posed numerical problems, need to be answered. These issues provided the impetus for the Workshop on Computa tional Aeroacoustics sponsored by ICASE and the Acoustics Division of NASA LaRC on April 6-9, 1992. The participants of the Work shop were leading aeroacousticians, computational fluid dynamicists and applied mathematicians. The Workshop started with the open ing remarks by M. Y. Hussaini and the welcome address by Kristin Hessenius who introduced the keynote speaker, Sir James Lighthill. The keynote address set the stage for the Workshop. It was both an authoritative and up-to-date discussion of the state-of-the-art in aeroacoustics. The presentations at the Workshop were divided into five sessions - i) Classical Theoretical Approaches (William Zorumski, Chairman), ii) Mathematical Aspects of Acoustics (Rodolfo Rosales, Chairman), iii) Validation Methodology (Allan Pierce, Chairman), iv) Direct Numerical Simulation (Michael Myers, Chairman), and v) Unsteady Compressible Flow Computa tional Methods (Douglas Dwoyer, Chairman).
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ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (317 download)
Download or read book Unstructured-grid Methods Development for Unsteady Aerodynamic and Aeroelastic Analyses written by and published by . This book was released on 1991 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Eleanor C. Wynne
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (317 download)
Download or read book Structural Dynamics Division Research and Technology Accomplishments for FY 1992 and Plans for FY 1993 written by Eleanor C. Wynne and published by . This book was released on 1993 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Quinn Murphy
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (922 download)
Download or read book Improved Unsteady Aerodynamic Influence Coefficients for Dynamic Aeroelastic Response written by Quinn Murphy and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "Flutter, or the dynamic instability of an aircraft wing due to aerodynamic loads, must be considered when designing an aircraft. For this reason work has been done to improve a method developed at Bombardier Aerospace to analyze the dynamic aeroelastic response of aircraft. This method replaces original Doublet Lattice Method (DLM) aerodynamic data with that from high-fidelity Computational Fluid Dynamics (CFD) codes. The new aerodynamic loads are transmitted to the NASTRAN aeroelastic module through improved Aerodynamic Influence Coefficients (AIC). Previously this high-fidelity data was solely steady, and weighting factors were needed to obtain unsteady data. This gave good results for flutter calculations in the subsonic and transonic regime, however, for improved results in the transonic and supersonic regime, unsteady aerodynamic data was needed. This research incorporates unsteady high-fidelity CFD data into this analysis method.The unsteady CFD data was obtained by means of the Transpiration Method. This allowed for the unsteady movement of the model to be accounted for, while saving compu- tational time needed to deform and remesh the aerodynamic mesh at each time step. The transpiration method was validated with two standard test cases, for both static deflections and unsteady cyclic movement. Once this method was validated, high-fidelity CFD results could then be used in the AIC method.The AIC method begins with a set of baseline modes being obtained for the wing model. From these modes an aerodynamic base is calculated. Using the AIC method this aerodynamic base is transferred to NASTRAN. The natural mode shapes of a new configuration, along with the modal-based AIC method are used to approximate aerodynamic loads for the new configuration. These loads are used in NASTRAN to compute the flutter analysis of the new configuration." --
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ISBN 13 :
Total Pages : 538 pages
Book Rating : 4.3/5 (91 download)
Download or read book Aeronautical Engineering written by and published by . This book was released on 1991 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Superintendent of Documents
Publisher :
ISBN 13 :
Total Pages : 1084 pages
Book Rating : 4.:/5 (319 download)
Download or read book Monthly Catalog of United States Government Publications written by United States. Superintendent of Documents and published by . This book was released on 1993 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt: February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
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ISBN 13 :
Total Pages : 1086 pages
Book Rating : 4.:/5 (31 download)
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1993 with total page 1086 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Max Blair
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Compilation of the Mathematics Leading to the Doublet-lattice Method written by Max Blair and published by . This book was released on 1992 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report provides a theoretical development of the doublet lattice method, the method of choice for most subsonic unsteady aerodynamic modelling for over twenty years. This is a tutorial based on many-key mathematical developments provided in the References section. An example source code is provided in the Appendix.
Author : C. Guedes Soares
Publisher : CRC Press
ISBN 13 : 1315647850
Total Pages : 1030 pages
Book Rating : 4.3/5 (156 download)
Download or read book Renewable Energies Offshore written by C. Guedes Soares and published by CRC Press. This book was released on 2015-09-07 with total page 1030 pages. Available in PDF, EPUB and Kindle. Book excerpt: Renewable Energies Offshore includes the papers presented in the 1st International Conference on Renewable Energies Offshore (RENEW2014), held in Lisbon, 24-26 November 2014. The conference is a consequence of the importance of the offshore renewable energies worldwide and an opportunity to contribute to the exchange of information on the dev
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ISBN 13 :
Total Pages : 876 pages
Book Rating : 4.0/5 ( download)
Download or read book Surface Modeling, Grid Generation, and Related Issues in Computational Fluid Dynamic (CFD) Solutions written by and published by . This book was released on 1995 with total page 876 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wen Zhong Shen
Publisher : MDPI
ISBN 13 : 3039215248
Total Pages : 410 pages
Book Rating : 4.0/5 (392 download)
Download or read book Wind Turbine Aerodynamics written by Wen Zhong Shen and published by MDPI. This book was released on 2019-10-04 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wind turbine aerodynamics is one of the central subjects of wind turbine technology. To reduce the levelized cost of energy (LCOE), the size of a single wind turbine has been increased to 12 MW at present, with further increases expected in the near future. Big wind turbines and their associated wind farms have many advantages but also challenges. The typical effects are mainly related to the increase in Reynolds number and blade flexibility. This Special Issue is a collection of 21 important research works addressing the aerodynamic challenges appearing in such developments. The 21 research papers cover a wide range of problems related to wind turbine aerodynamics, which includes atmospheric turbulent flow modeling, wind turbine flow modeling, wind turbine design, wind turbine control, wind farm flow modeling in complex terrain, wind turbine noise modeling, vertical axis wind turbine, and offshore wind energy. Readers from all over the globe are expected to greatly benefit from this Special Issue collection regarding their own work and the goal of enabling the technological development of new environmentally friendly and cost-effective wind energy systems in order to reach the target of 100% energy use from renewable sources, worldwide, by 2050
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Publisher :
ISBN 13 :
Total Pages : 1300 pages
Book Rating : 4.3/5 (243 download)
Download or read book Government Reports Annual Index written by and published by . This book was released on 1993 with total page 1300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Beniamino Murgante
Publisher : Springer
ISBN 13 : 3642396402
Total Pages : 687 pages
Book Rating : 4.6/5 (423 download)
Download or read book Computational Science and Its Applications -- ICCSA 2013 written by Beniamino Murgante and published by Springer. This book was released on 2013-06-22 with total page 687 pages. Available in PDF, EPUB and Kindle. Book excerpt: The five-volume set LNCS 7971-7975 constitutes the refereed proceedings of the 13th International Conference on Computational Science and Its Applications, ICCSA 2013, held in Ho Chi Minh City, Vietnam in June 2013. The 248 revised papers presented in five tracks and 33 special sessions and workshops were carefully reviewed and selected. The 46 papers included in the five general tracks are organized in the following topical sections: computational methods, algorithms and scientific applications; high-performance computing and networks; geometric modeling, graphics and visualization; advanced and emerging applications; and information systems and technologies. The 202 papers presented in special sessions and workshops cover a wide range of topics in computational sciences ranging from computational science technologies to specific areas of computational sciences such as computer graphics and virtual reality.
