Search results

Create the page "Gradient" on this wiki!

Page title matches

• Conjugate gradient method of Golub and van Loan
  == Conjugate gradient method == Conjugate gradient method could be summarized as follows <br>
  1 KB (219 words) - 12:39, 19 December 2008
• Biconjugate gradient stabilized method
  == Biconjugate gradient stabilized method == Biconjugate gradient stabilized method could be summarized as follows <br>
  2 KB (281 words) - 17:01, 31 October 2016
• Biconjugate gradient method
  == Biconjugate gradient method == Biconjugate gradient method could be summarized as follows <br>
  2 KB (272 words) - 15:04, 27 July 2006
• Conjugate gradient methods
  The unpreconditioned conjugate gradient method constructs the '''i'''th iterate <math>x^{(k)}</math> as an element * [http://www.math-linux.com/spip.php?article54 Conjugate Gradient Method] by N. Soualem.
  1 KB (170 words) - 17:49, 26 August 2006
• Gradient computation
  ...equal to the volume integral (over the volume bound by the surface) of the gradient of the scalar function. <br> ...correctly approximated in order to yield a correct computation of the cell gradient. As the FVM uses a cell centered formulation, values at the faces are not r
  5 KB (851 words) - 13:04, 7 June 2011
• Gradient-based methods
  0 B (0 words) - 01:33, 6 January 2012

Page text matches

• Favre averaged Navier-Stokes equations
  ...ath>, corresponding to turbulent transport of heat, can be modeled using a gradient approximation for the turbulent heat-flux: ...most flows below the hyper-sonic regime. A better approximation might be a gradient expression of the form:
  15 KB (2,374 words) - 20:33, 24 November 2005
• Navier-Stokes equations
  ...tress needed to deform the fluid was linearly proportional to the velocity gradient:
  29 KB (4,606 words) - 18:17, 28 August 2012
• Fluent FAQ
  | APG || adverse pressure gradient
  39 KB (6,386 words) - 16:48, 26 April 2013
• Best practice guidelines for turbomachinery CFD
  ...atural Transition of Boundary Layers - the Effects of Turbulence, Pressure Gradient, and Flow History|rest=Journal of Mech. Eng. Science, vol. 22, no. 5, pp. 2
  41 KB (6,252 words) - 08:46, 4 March 2023
• Page name test
  ...ctuating velocities, could be replaced by the product of the mean velocity gradient and a quantity termed the turbulent viscosity, (mu-t), (Garde, 1994). The
  2 KB (352 words) - 21:51, 18 May 2006
• Baldwin-Lomax model
  ...correction mentioned above, which attempts to account for adverse pressure gradient effects, increases the problem with too large separations.
  8 KB (1,262 words) - 09:15, 3 January 2012
• Two equation turbulence models
  ...humb|320px|HRN (left) vs LRN(right). HRN uses log law in order to estimate gradient in the cell.]] ...s). The second approach does not attempt to reproduce the correct velocity gradient. Instead, turbulent viscosity is modified in such a way as to guarantee the
  11 KB (1,667 words) - 20:52, 25 October 2016
• Numerical methods
  ### [[Gradient computation]] ### [[Conjugate gradient methods]]
  4 KB (399 words) - 12:42, 26 August 2012
• Incompressible flow
  ..., <math>U</math> is the characteristic velocity, the magnitude of velocity gradient is <math>U/L</math>. The physical meaning of the incompressible flow is
  8 KB (1,427 words) - 18:57, 19 August 2013
• Laplacian
  ...is also denoted as <math>\nabla^2</math> since it is the divergence of the gradient operator
  3 KB (414 words) - 08:19, 12 April 2007
• Potential flow
  it implies that the velocity is the gradient of a scalar field called the velocity potential, and usually denoted as <ma
  800 B (127 words) - 13:06, 16 March 2016
• Large eddy simulation (LES)
  ...ear=1999|title=Subgrid-scale modelling based on the square of the velocity gradient tensor|rest=Flow, Turbulence and Combustion, 62: pp- 183-200, 1999}}
  6 KB (882 words) - 21:50, 24 June 2013
• Diffusion term
  A first approach is to use a simple expression for estimating the gradient of a scalar normal to the face. <br> In non-orthogonal grids, the gradient direction that will yield an expression involving the values at the neighbo
  6 KB (1,032 words) - 07:32, 22 January 2010
• Conjugate gradient method of Golub and van Loan
  == Conjugate gradient method == Conjugate gradient method could be summarized as follows <br>
  1 KB (219 words) - 12:39, 19 December 2008
• Biconjugate gradient stabilized method
  == Biconjugate gradient stabilized method == Biconjugate gradient stabilized method could be summarized as follows <br>
  2 KB (281 words) - 17:01, 31 October 2016
• Biconjugate gradient method
  == Biconjugate gradient method == Biconjugate gradient method could be summarized as follows <br>
  2 KB (272 words) - 15:04, 27 July 2006
• Approximation Schemes for convective term
  ...boldsymbol{B \left( r \right)}</math> is termed a limiter function and the gradient ration <math>\boldsymbol{r}</math> is defined as:
  30 KB (4,389 words) - 06:47, 16 September 2005
• Approximation Schemes
  ...boldsymbol{B \left( r \right)}</math> is termed a limiter function and the gradient ration <math>\boldsymbol{r}</math> is defined as:
  16 KB (2,286 words) - 18:01, 14 September 2005
• Multigrid methods
  ... the convergence rate is a function of the error field frequency, i.e. the gradient of the error from node to node. If the error is distributed in a high frequ ...estion for realistic problems and since the solvers that rely on conjugate-gradient methods have robustness problems associated with them, the methods of choic
  5 KB (746 words) - 09:49, 12 July 2019
• Iterative methods
  #Conjugate Gradient Method (CG) #BiConjugate Gradient (BiCG)
  2 KB (262 words) - 14:17, 19 December 2008