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• Main Page
  ...''' - a community project to create the ultimate, free Computational Fluid Dynamics reference. CFD-Wiki is written by thousands of volunteer authors from aroun :[[Fluid dynamics]], [[Turbulence modeling]], [[Numerical methods | Numerics]], [[Meshing]],
  6 KB (823 words) - 21:52, 9 December 2017
• Codes
  | align="left" |Applied Computational Fluid Dynamics -- [http://www.partenovcfd.com Solver homepage]|| || December 2007 ... for Immersed Boundary method with Adaptive Mesh Refinement. || Structured fluid mesh and unstructured mesh for immersed body.
  25 KB (3,558 words) - 08:31, 23 January 2024
• Navier-Stokes equations
  .... It is a vector equation obtained by applying Newton's Law of Motion to a fluid element and is also called the ''momentum equation''. It is supplemented by ...tion (1), momentum equation (2) and energy equation (3) for a compressible fluid can be written as:
  29 KB (4,606 words) - 18:17, 28 August 2012
• Direct numerical simulation (DNS)
  ...irect numerical simulation (DNS)''' is a simulation in computational fluid dynamics in which the [[Navier-Stokes equations]] are numerically solved without any All the spatial scales of the turbulence must be resolved in the computational mesh, from the smallest dissipative scales ([[Kolmogorov scales]]), up to t
  4 KB (672 words) - 13:52, 25 July 2012
• Fluent FAQ
  ...rbulent pipe flow, it will have more turbulent energy than from a stagnant fluid. Think of lots of little vortices, which mostly mix things up, and those a ...lations, you can impose laminar flow in some regions by meshing a separate fluid region, and enabling "laminar zone" for this region in boundary settings.
  39 KB (6,386 words) - 16:48, 26 April 2013
• Validation and test cases
  *[[ICASE/LaRC workshop on benchmark problems in computational aeroacoustics]] ...y/VnV/SAND2002-0529.pdf Verification and validation in computational fluid dynamics]
  4 KB (629 words) - 21:50, 3 August 2017
• Introduction to CFD
  <p>[[Fluid dynamics | Fluid dynamics]] is a field of science which studies the physical laws governing the flow ...elp of computers. CFD involves the solution of the governing laws of fluid dynamics [[Numerical methods | numerically]]. The complex set of partial differentia
  2 KB (401 words) - 06:50, 8 January 2013
• Finite volume
  ...s used in CFD. Based on the control volume formulation of analytical fluid dynamics, the first step in the FVM is to divide the domain into a number of control ...is '''exactly''' satisfied for any control volume as well as for the whole computational domain and '''for any number of control volumes'''. Even a coarse grid solu
  4 KB (643 words) - 09:15, 3 January 2012
• Diffusion term
  ...rziger, J.H. and Peric, M.|year=2001|title=Computational Methods for Fluid Dynamics|rest=ISBN 3540420746, 3rd Rev. Ed., Springer-Verlag, Berlin.}} ... Analysis and Estimation for the Finite Volume Method with Applications to Fluid Flows|rest=PhD Thesis, Imperial College, University of London ([http://www.
  6 KB (1,032 words) - 07:32, 22 January 2010
• Conjugate gradient method of Golub and van Loan
  #'''Ferziger, J.H. and Peric, M. 2002'''. <i>Computational Methods for Fluid Dynamics</i>, 3rd rev. ed., Springer-Verlag, Berlin.
  1 KB (219 words) - 12:39, 19 December 2008
• Overset grids
  A common difficulty in simulating complex fluid flow problems is that not every geometry can be well represented using a si ...from the geometry, overset grids can be used to track relative motion with computational efficiency, but domain connectivity must be performed so that adjacent grid
  7 KB (1,042 words) - 14:13, 17 August 2021
• Stone's method
  ....|year=2001|title=Numerical Algorithms for Three Dimensional Computational Fluid Dynamic Problems|rest=PhD Thesis, Polytechnic University of Catalunia}} ...rziger, J.H. and Peric, M.|year=2001|title=Computational Methods for Fluid Dynamics|rest=ISBN 3540420746, 3rd Rev. Ed., Springer-Verlag, Berlin.}}
  3 KB (380 words) - 09:42, 12 May 2007
• Combustion
  In compressible flows, when the motion of the fluid is not negligible compared to the speed of sound (which is the speed at whi The equations for fluid mechanics properly adimensionalized can be written:
  156 KB (25,897 words) - 22:14, 17 March 2011
• Approximation Schemes for convective term - structured grids - Summary of Discretizations Schemes and examples
  ...hy G. Trucano (2002)''' Verification and validation in Computational Fluid Dynamics '''Roache PJ.(1998)''' Verification and validation in computational science and engineering. Albuquerque, NM: Hermosa Publishers
  9 KB (1,327 words) - 05:56, 21 April 2012
• Approximation Schemes for convective term - structured grids - Common
  ...ce-book|author=Patankar, S. V.|year=1980|title=Numerical Heat Transfer and Fluid Flow|rest=ISBN 0070487405, McGraw-Hill, New York}} ...ions|year=1994|rest=Project Report 1994-33, von Karman Institute for Fluid Dynamics, Sint-Genesius-Rode, Belgium}}
  28 KB (4,096 words) - 13:11, 24 October 2016
• SIMPLE algorithm
  ...e-paper|author=Patankar, S. V.|year=1980|title=Numerical Heat Transfer and Fluid Flow|rest=Taylor & Francis, ISBN 978-0-89116-522-4}} ...Ferziger, J. H.; Peric, M.|year=2001|title=Computational Methods for Fluid Dynamics|rest=Springer-Verlag. ISBN 978-3-540-42074-3}}
  3 KB (442 words) - 10:42, 11 March 2016
• Approximation Schemes for convective term - structured grids - What we need: Please help
  ...convective diffusion equation. | rest=In C. Taylor and K. Morgan, editors, Computational Methods in Transient and Turbulent Flow, pages 1–35. Pineridge Press, Swa ... convective diffusion equation | rest=In C. Taylor and K. Morgan, editors, Computational Methods in Transient and Turbulent Flow, pages 1–35. Pineridge Press, Swa
  5 KB (615 words) - 17:27, 7 November 2011
• Sand box Approximation Schemes
  In [[numerical analysis]] and [[computational fluid dynamics]], '''Godunov's theorem''' — also known as '''Godunov's order barrier the ... of methodologies used in [[computational fluid dynamics]] (CFD) and other computational fields. One of his major contributions was to prove the theorem (Godunov, 1
  26 KB (3,687 words) - 20:19, 7 November 2011
• Aero-acoustics and noise
  AeroAcoustics is an advanced field of fluid dynamics in which the flow scale is removed to the acoustic levels. The first advanc ...tc., aim at a less dispersive solution. Still, given the limits of current computational capability, acoustic computation for a problem of practical interest is sti
  5 KB (709 words) - 15:59, 23 June 2013
• OpenFlower
  ...rce Flow Solver'') is a free open-source finite volume Computational Fluid Dynamics software, mainly devoted to the resolution of the turbulent incompressible ...mon effort in research and developments in the area of Computational Fluid Dynamics. The main reason for this was (among other things) to federate the work of
  3 KB (388 words) - 20:06, 7 June 2007
• Flux limiters
  ... in hyperbolic equations. Physically, these equations model the convective fluid flow. It has been observed that low-order schemes are usually stable but qu * C. B. Laney, "Computational Gas Dynamics"
  2 KB (361 words) - 10:19, 22 February 2007
• Finite difference
  ... Lomax, T.H. Pulliam and D.W. Zingg, ''Fundamentals of Computational Fluid Dynamics'', Series: Scientific Computation , Springer-Verlag, 2001, ISBN: 3-540-4160
  7 KB (1,123 words) - 16:29, 13 May 2008
• Historical perspective
  ...etween the development of numerical methods for PDEs and the simulation of fluid flow problems. Since the 1940s, analytical solutions to most fluid dynamics problems, especially those arising in aerodynamics, were readily available
  1 KB (208 words) - 22:19, 7 February 2013
• GPGPU
  ...alized languages which support GPGPU commands. GPUs incorporate many more computational cores than their equivalent CPUs, and so the performance of parallel operat ...putation, similar to vector processors. In short, modern GPUs provide raw computational power orders of magnitude larger than a CPU and can fit inside a single com
  8 KB (1,175 words) - 01:03, 22 March 2010
• Two phase flow
  Two phase flow phenomena occur in various industrial applications within all fluid mechanics application fields. The starting point in Lagrangien approach is the fundamental law of dynamics:
  13 KB (2,060 words) - 11:38, 6 December 2010
• Flow around a circular cylinder
  ...the solution domain in half (along the x-direction). This will reduce the computational burden, but will reduce the range of physical applicability of the simulati ...ake of a circular cylinder in uniform translation. Part 1: Steady flow, J. Fluid Mech., 79: 231-256.
  6 KB (884 words) - 11:31, 8 April 2017
• Introduction to turbulence/Turbulence kinetic energy
  ... form given by equation 6 will provide the framework for understanding the dynamics of turbulent motion. The second form, equation 8 forms the basis for most o ...k done by the fluctuating viscous stresses in resisting deformation of the fluid material by the fluctuating strain rates; i.e.
  47 KB (7,664 words) - 12:47, 13 December 2013
• Cavitation modeling
  ...nstitutes a limitation for the performances of the device that rotates the fluid because of the drawbacks of cavitation inception amongst which are: * Level-set/volume-of-fluid methods
  2 KB (250 words) - 05:28, 13 June 2013
• NOGRID
  ...oftware models problems in continuum mechanics. The method solves not only fluid flows, but also problems with elastic or plastic deformations. More general ...tion of mesh takes a long time. Our NOGRID points-CFD (Computational Fluid Dynamics)-software is a grid-free (or meshless) method which, in contrast to classic
  3 KB (408 words) - 07:32, 14 June 2018
• PHOENICS
  PHOENICS is a general-purpose Computational Fluid Dynamics code. It was launched commercially in 1981 by Concentration Heat and Moment ...ly unique to PHOENICS. Another unique algorithm in PHOENICS is it's Multi-Fluid Model (MFM) which can be used to ''derive'' Probability Density Functions f
  11 KB (1,641 words) - 11:18, 5 July 2013
• Discrete Poisson equation
  In [[Computational fluid dynamics]], for the solution of an incompressible flow problem, the incompressiblity where <math> \nu </math> is the kinematic viscosity of the fluid and <math> V </math> is the velocity vector.
  8 KB (1,117 words) - 16:32, 25 May 2007
• CFD
  CFD is an acronym for Computational Fluid Dynamics, or the art of using a computer to predict how gases and liquids flow.
  348 B (53 words) - 21:19, 8 September 2010
• SSIIM
  ...anual. The program is a stepping stone in the field of Computational Fluid Dynamics (CFD).
  2 KB (340 words) - 06:27, 19 July 2016
• Dolfyn
  ...Ferziger, J.H., Peric, M. |year=2001|title=Computational Methods for Fluid Dynamics|rest=ISBN 3540420746, 3rd Rev. Ed., Springer, Berlin}}
  1 KB (161 words) - 20:08, 17 April 2008
• Riemann Problem
  ...iscreteness of the grid. For that it is widely used in computational fluid dynamics and in MHD simulations. In these fields Riemann problems are calculated usi
  802 B (121 words) - 07:38, 10 November 2008
• Smartfire
  '''SMARTFIRE''' is a Computational Fluid Dynamics (CFD) fire simulation environment developed by the Fire Safety Engineering
  227 B (32 words) - 16:52, 2 June 2009
• Adjoint method
  ...t Methods for Shape Optimization", in Optimization and Computational Fluid Dynamics, Editors: D. Thevenin, G. Janiga, Springer-Verlag Berlin Heidelberg, 2008 (
  808 B (110 words) - 07:43, 3 May 2011
• O-PALM
  ...en adopted for a number of multiphysics simulations in computational fluid dynamics. To answer the requirements of the future multiphysics high performance sim
  3 KB (418 words) - 21:45, 27 July 2011
• Code: 3D Lid-driven cavity using pressure-free velocity form
  ...effort has been expended to eliminate the pressure from all or part of the computational process. We show a simple, natural way of doing this. ...tor potential is necessary by the Helmholtz Theorem. Further, to determine fluid flow in the absence of a pressure gradient, one can specify the difference
  24 KB (3,584 words) - 14:08, 10 August 2011
• PISO algorithm - Pressure Implicit with Split Operator
  ... an extension of the [[SIMPLE algorithm]] used in CFD (computational fluid dynamics) to solve the Navier-Stokes equations. PISO is a pressure-velocity calculat ...licitly discretized fluid flow equations by operator-splitting, Journal of Computational Physics 62 by R. Issa
  4 KB (680 words) - 11:28, 5 May 2015
• SU2
  ...optimization problems. The toolset is designed with '''computational fluid dynamics and aerodynamic shape optimization''' in mind, but is extensible to treat a
  1 KB (165 words) - 19:05, 19 January 2012
• What is Open Source?
  ...rred and [http://www.viva64.com/en/k/0002/ often advantageous] for serious computational efforts. Though the ubuntu distribution is an older version, (10.04), it is ...ed optimization problems. The toolset is designed with computational fluid dynamics and aerodynamic shape optimization in mind, but it is extensible (and has b
  28 KB (4,443 words) - 05:05, 23 December 2017
• Courant–Friedrichs–Lewy condition
  ...per | author=Anderson, Lohn David | year=1995 | title=Computational fluid dynamics: the basics with applications | rest=McGraw-Hill, Inc}}
  3 KB (526 words) - 11:58, 26 August 2012
• Cambridge Flow Solutions Ltd.
  ...stomized solutions for CAE applications, in particular Computational Fluid Dynamics. The company spun out of Cambridge University in 1999, and has knowledge co
  506 B (64 words) - 14:35, 7 March 2013
• TwinMesh
  ...Introduction to CFD|CFD]]) simulation of the continuously changing [[Fluid|fluid]] volumes of the working chambers of rotary positive displacement (PD) mach * CHT-GGI interface that allows to create a fluid-fluid-solid interface.
  5 KB (676 words) - 09:51, 29 November 2023
• CONVERGE FAQ
  ==COMPUTATIONAL SPEED, MESH AND LOAD BALANCING== ...des minute details such as nuts, bolts or holes that are not a part of the fluid/aero volume.
  85 KB (13,492 words) - 15:51, 10 August 2020