A Variational Multiscale Method for Turbulent Flow Simulation with Adaptive Large Scale Space

A Variational Multiscale Method for Turbulent Flow Simulation with Adaptive Large Scale Space PDF Author: Volker John
Publisher:
ISBN:
Category :
Languages : en
Pages :

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A Variational Multiscale Method for Turbulent Flow Simulation with Adaptive Large Scale Space

A Variational Multiscale Method for Turbulent Flow Simulation with Adaptive Large Scale Space PDF Author: Volker John
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Multiscale and Multiresolution Approaches in Turbulence

Multiscale and Multiresolution Approaches in Turbulence PDF Author: Pierre Sagaut
Publisher: World Scientific
ISBN: 1848169876
Category : Science
Languages : en
Pages : 446

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Book Description
The book aims to provide the reader with an updated general presentation of multiscale/multiresolution approaches in turbulent flow simulations. All modern approaches (LES, hybrid RANS/LES, DES, SAS) are discussed and recast in a global comprehensive framework. Both theoretical features and practical implementation details are addressed. Some full scale applications are described, to provide the reader with relevant guidelines to facilitate a future use of these methods.

TILDA: Towards Industrial LES/DNS in Aeronautics

TILDA: Towards Industrial LES/DNS in Aeronautics PDF Author: Charles Hirsch
Publisher: Springer Nature
ISBN: 3030620484
Category : Technology & Engineering
Languages : en
Pages : 550

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Book Description
This book offers detailed insights into new methods for high-fidelity CFD, and their industrially relevant applications in aeronautics. It reports on the H2020 TILDA project, funded by the European Union in 2015-2018. The respective chapters demonstrate the potential of high-order methods for enabling more accurate predictions of non-linear, unsteady flows, ensuring enhanced reliability in CFD predictions. The book highlights industrially relevant findings and representative test cases on the development of high-order methods for unsteady turbulence simulations on unstructured grids; on the development of the LES/DNS methodology by means of multilevel, adaptive, fractal and similar approaches for applications on unstructured grids; and on leveraging existent large-scale HPC networks to facilitate the industrial applications of LES/DNS in daily practice. Furthermore, the book discusses multidisciplinary applications of high-order methods in the area of aero-acoustics. All in all, it offers timely insights into the application and performance of high-order methods for CFD, and an extensive reference guide for researchers, graduate students, and industrial engineers whose work involves CFD and turbulence modeling.

Numerical Mathematics and Advanced Applications 2009

Numerical Mathematics and Advanced Applications 2009 PDF Author: Gunilla Kreiss
Publisher: Springer Science & Business Media
ISBN: 3642117953
Category : Mathematics
Languages : en
Pages : 900

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Finite Element Methods for Incompressible Flow Problems

Finite Element Methods for Incompressible Flow Problems PDF Author: Volker John
Publisher: Springer
ISBN: 3319457500
Category : Mathematics
Languages : en
Pages : 816

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Book Description
This book explores finite element methods for incompressible flow problems: Stokes equations, stationary Navier-Stokes equations and time-dependent Navier-Stokes equations. It focuses on numerical analysis, but also discusses the practical use of these methods and includes numerical illustrations. It also provides a comprehensive overview of analytical results for turbulence models. The proofs are presented step by step, allowing readers to more easily understand the analytical techniques.

3D Geoinformation Science

3D Geoinformation Science PDF Author: Martin Breunig
Publisher: Springer
ISBN: 3319121812
Category : Science
Languages : en
Pages : 254

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Book Description
Nowadays 3D Geoinformation is needed for many planning and analysis tasks. For example, 3D city and infrastructure models are paving the way for complex environmental and noise analyzes. 3D geological sub-surface models are needed for reservoir exploration in the oil-, gas-, and geothermal industry. Thus 3D Geoinformation brings together researchers and practitioners from different fields such as the geo-sciences, civil engineering, 3D city modeling, 3D geological and geophysical modeling, and, last but not least, computer science. The diverse challenges of 3D Geoinformation Science concern new approaches and the development of standards for above- and under-ground 3D modeling, efficient 3D data management, visualization and analysis. Finally, the integration of different 3D approaches and data models is seen as one of the most important challenges to be solved.

Geometric Modeling with Splines

Geometric Modeling with Splines PDF Author: Elaine Cohen
Publisher: CRC Press
ISBN: 1439864209
Category : Computers
Languages : en
Pages : 638

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Book Description
Written by researchers who have helped found and shape the field, this book is a definitive introduction to geometric modeling. The authors present all of the necessary techniques for curve and surface representations in computer-aided modeling with a focus on how the techniques are used in design. They achieve a balance between mathematical rigor

Numerical Analysis of a Variational Multiscale Method for Turbulence

Numerical Analysis of a Variational Multiscale Method for Turbulence PDF Author: Songül Kaya Merdan
Publisher: LAP Lambert Academic Publishing
ISBN: 9783845432083
Category :
Languages : en
Pages : 80

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Book Description
Despite efforts of more than centuries, turbulence phenomena is categorized as an unsolved problem. Turbulence is part of everyday's life. The majority of flows of industrial and technological applications are turbulent; natural flows are invariably so. There are many important and interesting physical phenomena which are connected with turbulent flows. Turbulence is observed in natural and engineering applications such as in weather prediction, air pollution, water pollution, aerodynamics and heat exchangers. This work considers an accurate and reliable solutions of turbulent flows. It is concerned with one of the most promising approaches to the numerical simulation of turbulent flows, the subgrid eddy viscosity models. We analyze both continuous and discontinuous finite element approximation of the new subgrid eddy viscosity model. This approach has the advantage that the diffusivity is introduced only on the small scales of the flow. Numerical test shows the new stabilization technique is robust and efficient in solving Navier-Stokes equations for a wide range of Reynolds numbers.

Multiscale And Multiresolution Approaches In Turbulence - Les, Des And Hybrid Rans/les Methods: Applications And Guidelines (2nd Edition)

Multiscale And Multiresolution Approaches In Turbulence - Les, Des And Hybrid Rans/les Methods: Applications And Guidelines (2nd Edition) PDF Author: Pierre Sagaut
Publisher: World Scientific
ISBN: 1848169884
Category : Mathematics
Languages : en
Pages : 446

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Book Description
The book aims to provide the reader with an updated general presentation of multiscale/multiresolution approaches in turbulent flow simulations. All modern approaches (LES, hybrid RANS/LES, DES, SAS) are discussed and recast in a global comprehensive framework. Both theoretical features and practical implementation details are addressed. Some full scale applications are described, to provide the reader with relevant guidelines to facilitate a future use of these methods./a

Subgrid-scale Modeling for Fluid Flow Simulations Via the Variational Multiscale Method

Subgrid-scale Modeling for Fluid Flow Simulations Via the Variational Multiscale Method PDF Author: Luca Mazzei
Publisher:
ISBN:
Category :
Languages : en
Pages : 122

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Book Description