Special Issue Recent Advances In Simulations Of Cfd Based
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| Author | : Yigit Kemal Demirel |
| Publisher | : Mdpi AG |
| Total Pages | : 556 |
| Release | : 2021-11-09 |
| Genre | : Technology & Engineering |
| ISBN | : 9783036523354 |
CFD is an emerging area and is gaining popularity due to the availability of ever-increasing computational power. If used accurately, CFD methods may overcome the limitations of experimental and other numerical methods, in some respects. This Special Issue focuses on Computational Fluid Dynamics (CFD) Simulations of Marine Hydrodynamics with a specific focus on the applications of naval architecture and ocean engineering, and it comprises 24 original articles that advance state-of-the-art CFD applications in marine hydrodynamics and/or review the progress and future directions of research in this field. The published articles cover a wide range of subjects relevant to naval architecture and ocean engineering, including but not limited to; ship resistance and propulsion, seakeeping and maneuverability, hydrodynamics of marine renewable energy devices, validation and verification of computational fluid dynamics (CFD), EFD/CFD combined methods, fouling/coating hydrodynamics.
| Author | : Li Xi |
| Publisher | : MDPI |
| Total Pages | : 296 |
| Release | : 2021-09-01 |
| Genre | : Technology & Engineering |
| ISBN | : 3036512667 |
Computational fluid dynamics (CFD), which uses numerical analysis to predict and model complex flow behaviors and transport processes, has become a mainstream tool in engineering process research and development. Complex chemical processes often involve coupling between dynamics at vastly different length and time scales, as well as coupling of different physical models. The multiscale and multiphysics nature of those problems calls for delicate modeling approaches. This book showcases recent contributions in this field, from the development of modeling methodology to its application in supporting the design, development, and optimization of engineering processes.
| Author | : Young-Il Lim |
| Publisher | : MDPI |
| Total Pages | : 114 |
| Release | : 2021-02-22 |
| Genre | : Technology & Engineering |
| ISBN | : 3039439332 |
In this Special Issue, one review paper highlights the necessity of multiscale CFD, coupling micro- and macro-scales, for exchanging information at the interface of the two scales. Four research papers investigate the hydrodynamics, heat transfer, and chemical reactions of various processes using Eulerian CFD modeling. CFD models are attractive for industrial applications. However, substantial efforts in physical modeling and numerical implementation are still required before their widespread implementation.
| Author | : Riccardo Buccolieri |
| Publisher | : MDPI |
| Total Pages | : 448 |
| Release | : 2019-04-23 |
| Genre | : Science |
| ISBN | : 303897806X |
This book contains twenty-one original papers and one review paper published by internationally recognized experts in the Atmosphere Special Issue "Recent Advances in Urban Ventilation Assessment and Flow Modelling", years 2017–2019. The Special Issue includes contributions on recent experimental and modelling works, techniques, and developments mainly tailored to the assessment of urban ventilation on flow and pollutant dispersion in cities. The study of ventilation is of critical importance, as it addresses the capacity with which a built urban structure is capable of replacing the polluted air with ambient fresh air. Here, ventilation is recognized as a transport process that improves local microclimate and air quality and closely relates to the term “breathability”. The efficiency with which street canyon ventilation occurs depends on the complex interaction between the atmospheric boundary layer flow and the local urban morphology. The individual contributions to this Issue are summarized and categorized into four broad topics: (1) outdoor ventilation efficiency and application/development of ventilation indices, (2) relationship between indoor and outdoor ventilation, (3) effects of urban morphology and obstacles to ventilation, and (4) ventilation modelling in realistic urban districts. The results and approaches presented and proposed will be of great interest to experimentalists and modelers, and may constitute a starting point for the improvement of numerical simulations of flow and pollutant dispersion in the urban environment, for the development of simulation tools, and for the implementation of mitigation strategies.
| Author | : Mehdi Ghoreyshi |
| Publisher | : MDPI |
| Total Pages | : 294 |
| Release | : 2019-03-08 |
| Genre | : Technology & Engineering |
| ISBN | : 3038976105 |
Currently, the use of computational fluid dynamics (CFD) solutions is considered as the state-of-the-art in the modeling of unsteady nonlinear flow physics and offers an early and improved understanding of air vehicle aerodynamics and stability and control characteristics. This Special Issue covers recent computational efforts on simulation of aerospace vehicles including fighter aircraft, rotorcraft, propeller driven vehicles, unmanned vehicle, projectiles, and air drop configurations. The complex flow physics of these configurations pose significant challenges in CFD modeling. Some of these challenges include prediction of vortical flows and shock waves, rapid maneuvering aircraft with fast moving control surfaces, and interactions between propellers and wing, fluid and structure, boundary layer and shock waves. Additional topic of interest in this Special Issue is the use of CFD tools in aircraft design and flight mechanics. The problem with these applications is the computational cost involved, particularly if this is viewed as a brute-force calculation of vehicle’s aerodynamics through its flight envelope. To make progress in routinely using of CFD in aircraft design, methods based on sampling, model updating and system identification should be considered.
| Author | : Genevieve Comte-Bellot |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 597 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 3642830455 |
Since 1964 the main function of the European Mechanics Committee has been to arrange Euromech Colloquia. These are three- or four-day meetings for the discussion of current research on a specified and relatively narrow topic in mechanics, by about 50 specialists chosen for their active involvement in research in that topic. The organization of each Euromech Colloquium is entrusted by the Committee to one or two selected scientists of repute in the field, and these organizers are enjoined to achieve a friendly and informal forum for discussion, with a minimum of paper work and expenditure. Over 220 Euromech Colloquia have been held since 1964 (about 40 each in France, West Germany and Britain and the remainder in 18 countries in both western and eastern Europe) on a wide range of topics drawn from the mechanics of solid materials, hydrodynamics, gas dynamics and mechanical systems. The Committee believes that collectively, Euromech Colloquia have made a significant contribution to the exchange of ideas on topics in mechanics within Europe and have thereby helped to overcome the barriers to easy scientific communication in that sorely divided continent. A few years ago the European Mechanics Committee turned its atten tion to the possible need for European conferences on a larger scale than Euromech Colloquia.
| Author | : Da-Wen Sun |
| Publisher | : CRC Press |
| Total Pages | : 734 |
| Release | : 2018-10-26 |
| Genre | : Science |
| ISBN | : 1351263463 |
Since many processes in the food industry involve fluid flow and heat and mass transfer, Computational Fluid Dynamics (CFD) provides a powerful early-stage simulation tool for gaining a qualitative and quantitative assessment of the performance of food processing, allowing engineers to test concepts all the way through the development of a process or system. Published in 2007, the first edition was the first book to address the use of CFD in food processing applications, and its aims were to present a comprehensive review of CFD applications for the food industry and pinpoint the research and development trends in the development of the technology; to provide the engineer and technologist working in research, development, and operations in the food industry with critical, comprehensive, and readily accessible information on the art and science of CFD; and to serve as an essential reference source to undergraduate and postgraduate students and researchers in universities and research institutions. This will continue to be the purpose of this second edition. In the second edition, in order to reflect the most recent research and development trends in the technology, only a few original chapters are updated with the latest developments. Therefore, this new edition mostly contains new chapters covering the analysis and optimization of cold chain facilities, simulation of thermal processing and modeling of heat exchangers, and CFD applications in other food processes.
| Author | : Eric G Paterson |
| Publisher | : Mdpi AG |
| Total Pages | : 202 |
| Release | : 2021-10-21 |
| Genre | : Technology & Engineering |
| ISBN | : 9783036519968 |
This Special Issue will publish selected papers from the 15th OpenFOAM Workshop, June 22-25, 2020 in Arlington, Virginia, USA. The workshop is hosted by the Crofton Department of Aerospace and Ocean Engineering at Virginia Tech. During this community driven event, conference presentations and poster sessions will be held and work in progress is gladly seen as well. In addition to the conference aspect, trainings on OpenFOAM technology and other related software tools are held mostly from users for users. This underlines one of the goals of the workshop: bringing users, developers and researchers together and providing a nurturing ground for open discussions and future projects. The conference will cover the following main topics: - Aerodynamics; - Civil engineering; - Complex materials; - Compressible flows; - Fluid-structure interaction; - General CFD; - Heat and mass transfer; - Lagrangian methods; - Naval hydrodynamic; - Offshore and renewable energy; - Optimization and control; - Porous media; - Pre/post-processing; - Reacting flows; - Turbomachinery; - Turbulence modeling. Papers presented in this workshop and having enough quality can be further considered for publication in Fluids. The papers will be peer-reviewed for the validation of research results, developments, and applications.
| Author | : Nikos Mastorakis |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 443 |
| Release | : 2009-07-09 |
| Genre | : Mathematics |
| ISBN | : 0387764836 |
Recent Advances in Numerical Methods features contributions from distinguished researchers, focused on significant aspects of current numerical methods and computational mathematics. The increasing necessity to present new computational methods that can solve complex scientific and engineering problems requires the preparation of this volume with actual new results and innovative methods that provide numerical solutions in effective computing times. Each chapter will present new and advanced methods and modern variations on known techniques that can solve difficult scientific problems efficiently.
| Author | : Keiichi Kitamura |
| Publisher | : Springer Nature |
| Total Pages | : 136 |
| Release | : 2020-10-31 |
| Genre | : Science |
| ISBN | : 9811590117 |
This book offers a compact primer on advanced numerical flux functions in computational fluid dynamics (CFD). It comprehensively introduces readers to methods used at the forefront of compressible flow simulation research. Further, it provides a comparative evaluation of the methods discussed, helping readers select the best numerical flux function for their specific needs. The first two chapters of the book reviews finite volume methods and numerical functions, before discussing issues commonly encountered in connection with each. The third and fourth chapter, respectively, address numerical flux functions for ideal gases and more complex fluid flow cases— multiphase flows, supercritical fluids and magnetohydrodynamics. In closing, the book highlights methods that provide high levels of accuracy. The concise content provides an overview of recent advances in CFD methods for shockwaves. Further, it presents the author’s insights into the advantages and disadvantages of each method, helping readers implement the numerical methods in their own research.
