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• OpenFlower
  ...ly devoted to the resolution of the turbulent incompressible Navier-Stokes equations, with scalar transport. It can deal with arbitrary complex geometries with
  3 KB (388 words) - 20:06, 7 June 2007
• Algebraic turbulence models
  ...lence models are models that do not require the solution of any additional equations, and are calculated directly from the flow variables. As a consequence, zer
  1 KB (165 words) - 20:39, 1 April 2007
• Mesh adaptation
  ...nique is to treat the mesh as if it is an elastic solid and solve a system equations (suject to some forcing) that deforms the original mesh (see for instance [
  8 KB (1,236 words) - 09:43, 17 May 2012
• V2-f models
  ...tion of <math>\zeta</math>, the new transport equation is derived from the equations for <math>\overline{\upsilon^2}</math> and <math>k</math>, and solved inste ==The <math>\overline{\upsilon^2} - f</math> equations==
  6 KB (917 words) - 05:45, 7 February 2014
• Cebeci-Smith model
  == Equations == ...ci, T. |year=1967|title=Numerical solution of the turbulent boundary layer equations|rest=Douglas aircraft division report DAC 33735}}
  3 KB (419 words) - 12:13, 18 December 2008
• Johnson-King model
  ...ferential Equation (PDE) (Normally for popular turbulence models transport equations are solved which are PDE's). This model solves for a transport equation for
  735 B (103 words) - 05:48, 17 January 2012
• General CFD FAQ
  ... every volume the governing equations are solved. The resulting system of equations usually involves fluxes of the conserved variable, and thus the calculation ...oundary conditions may be more difficult to formulate. Again, a system of equations is obtained (usually for nodal values) that must be solved to obtain a solu
  7 KB (1,199 words) - 13:47, 5 June 2013
• CHAM FAQ
  ... partial differential equations are converted into algebraic finite-volume equations with the aid of discretisation assumptions for the transient, convection, d For curvilinear coordinates, the default option is to solve the momentum equations in terms of the covariant projections of the velocity vector into the local
  37 KB (5,717 words) - 12:46, 9 December 2019
• Continuum
  ...nd time and may apply differential equations in the analysis of processes. Equations derived on the basis of this assumption have withstood the test of time and
  1 KB (180 words) - 21:40, 22 November 2005
• Flux limiters
  ...s and discontinuity that arises in hyperbolic equations. Physically, these equations model the convective fluid flow. It has been observed that low-order scheme
  2 KB (361 words) - 10:19, 22 February 2007
• Introduction and need
  ...kes equations (and most other physical phenomena) yield a linear system of equations that needs to be solved. The need for robust, efficient, and relatively fas ...ummary of most iterative methods used in the solution of linear systems of equations. It also includes a pseudocode for each method.
  2 KB (267 words) - 22:11, 13 December 2005
• Finite difference
  ..., which aim at the numerical solution of ordinary and partial differential equations respectively. The resulting methods are called ''finite-difference methods' The [[Numerical ordinary differential equations#The Euler method|Euler method]] for solving this equation uses the finite d
  7 KB (1,123 words) - 16:29, 13 May 2008
• Finite element
  ...ations as there are unknowns (the a's) thus yielding a albegraic system of equations.
  1 KB (226 words) - 12:09, 31 August 2011
• Kato-Launder modification
  ==Basic equations==
  6 KB (938 words) - 09:12, 12 June 2007
• Discretization of the transient term
  ...ution at each time step. The spatial discretization for the time-dependent equations is identical to the steady-state case. <br> ... discretization involves the integration of every term in the differential equations over the time step <math>\Delta t \,</math>. The integration of transient e
  6 KB (1,008 words) - 18:40, 19 July 2007
• Dimensional analysis
  Engineers often have to make experiments, because the governing equations of fluid flow are impossible to
  8 KB (1,433 words) - 16:55, 13 December 2005
• Dimensional analysis (introductory)
  Engineers often have to make experiments, because the governing equations of fluid flow are impossible to
  8 KB (1,439 words) - 04:47, 3 November 2008
• Generic scalar transport equation
  ...s are the basis for the derivation of differential or integro-differential equations. In this respect, any differential equation addresses a certain quantity as ...uations governing various physical phenomena will reveal that all of these equations can be put into a generic form thus allowing a systematic approach for a co
  4 KB (582 words) - 03:37, 14 February 2006
• Direct methods
  Direct methods for the solution of the linear system of equations ...f Gaussian elimination or are based upon a particular factorization of the equations that will allow an exact computation. [[LU decomposition]] is both a facto
  871 B (126 words) - 05:19, 24 May 2007
• GPGPU
  ...se the graphics card to compute, and then display the results of their CFD equations. OpenGL hooks into C++ to enable that, and Microsoft's DirectX performs a s ... Knut-Andreas Lie and Jostein R. Natvig |year=2006|title=Solving the Euler Equations on Graphics Processing Units|rest=in collection Proceedings of the 6th Inte
  8 KB (1,175 words) - 01:03, 22 March 2010