Search results

Create the page "Derivative" on this wiki!

• Navier-Stokes equations
  ...are small within the fluid, then <math>\mu</math> can be taken outside the derivative, which then reduces to
  29 KB (4,606 words) - 18:17, 28 August 2012
• Fluent FAQ
  ...d to solve f(x)=0 and for some Nth iteration if we get x = x(N) such that derivative of function f(x), f'(x(N))=0 then formula for calculating next iterate x(N
  39 KB (6,386 words) - 16:48, 26 April 2013
• Reynolds averaged equations
  ...ows considered in this material will be incompressible, which implies that derivative of the density following the fluid material[the term in brackets] is zero. ...ferentiation commute; i.e., the average of a derivative is the same as the derivative of the average. Also the average of a fluctuating quantity is zero. Thus th
  17 KB (2,883 words) - 22:16, 14 May 2006
• Incompressible flow
  ... of change of density of a material fluid element is given by the material derivative
  8 KB (1,427 words) - 18:57, 19 August 2013
• Combustion
  ... ignition is supposed the strongest. Then, on the stoichiometric line, the derivative of <math> \phi </math> vanishes and, sufficiently far from the stoichiometr ...s trade-off of being sufficiently far from <math> Z_s </math> to allow the derivative of <math>\phi</math> to reach its asymptote and
  156 KB (25,897 words) - 22:14, 17 March 2011
• Approximation Schemes for convective term - structured grids - Summary of Discretizations Schemes and examples
  ... inlet and on the left, right and top boundaries, whilst on the outlet the derivative of <math>\boldsymbol{\phi}</math> normal to the boudary is set to zero. The ... is <math>\boldsymbol{2}</math> at the origin. At the outlet a zero normal derivative is prescribed
  9 KB (1,327 words) - 05:56, 21 April 2012
• Mesh generation
  Again, Vinokur's procedure ensures that the derivative conditions <math>ds/d\xi (1) = \Delta s_1</math> and <math>ds/d\xi (I) = \D
  11 KB (1,840 words) - 10:16, 21 August 2006
• Alternating direction implicit (ADI) method
  ... equation]] until a [[steady state]] is reached. At this stage, the [[time derivative]] is zero and the solution represents the original problem.
  386 B (58 words) - 19:49, 14 August 2007
• Rhie-Chow interpolation
  ...on is the same as adding a pressure term, which is proportional to a third derivative of the pressue
  896 B (141 words) - 06:14, 27 August 2012
• Implicit second order method
  The '''implicit second order method''' involves the [[derivative]]s of the next time level. Due to this reason they are iterative in nature.
  557 B (84 words) - 04:30, 15 February 2006
• General CFD FAQ
  ...ion is based upon the differential form of the [[PDE]] to be solved. Each derivative is replaced with an approximate difference formula (that can generally be d
  7 KB (1,199 words) - 13:47, 5 June 2013
• Finite difference
  The derivative of a function ''f'' at a point ''x'' is defined by the limit One important aspect of finite differences is that it is analogous to the derivative. This means that difference operators, mapping the function ''f'' to a fini
  7 KB (1,123 words) - 16:29, 13 May 2008
• Linear wave propagation
  where v refers to the first derivative.For a general treatment of compact scheme refer to Lele (1992).In this test
  3 KB (407 words) - 09:55, 17 December 2008
• Non linear wave propagation
  where v refers to the first derivative.For a general treatment of compact scheme refer to Lele (1992).In this test
  3 KB (391 words) - 14:03, 19 July 2007
• Burgers equation
  ... (2005).The second order derivative can be calculated from the first order derivative inside the domain using the abouve defined discretization.Near the boundari =====First derivative =====
  3 KB (495 words) - 15:22, 14 July 2007
• Two phase flow
  ...s such as dissolving of air in water). If that is so, then the substantial derivative of fraction function C needs to be equal to zero:
  13 KB (2,060 words) - 11:38, 6 December 2010
• Introduction to turbulence/Reynolds averaged equations
  ...ows considered in this material will be incompressible, which implies that derivative of the density following the fluid material[the term in brackets] is zero. ...ferentiation commute; i.e., the average of a derivative is the same as the derivative of the average. Also the average of a fluctuating quantity is zero. Thus th
  45 KB (7,578 words) - 08:35, 21 August 2013
• Structured mesh generation
  Again, Vinokur's procedure ensures that the derivative conditions <math>ds/d\xi (1) = \Delta s_1</math> and <math>ds/d\xi (I) = \D
  8 KB (1,204 words) - 03:53, 27 April 2012
• Introduction to turbulence/Stationarity and homogeneity
  We can use the correlation and its second derivative at the origin to ''define'' a special time scale, <math> \lambda_{\tau} </m ...\left( t \right) </math> and <math> u' = u' \left( t' \right) </math>. The derivative of the first signal is <math> d u / d t </math> and the second <math> d u'
  41 KB (6,536 words) - 09:19, 25 February 2008
• Code: Lid driven cavity using pressure free velocity form
  ...cussion to 2D continuous Hermite finite elements which have at least first-derivative degrees-of-freedom. With this, one can draw a large number of candidate tri Adopting continuous plate-bending elements, interchanging the derivative degrees-of-freedom and changing the sign of the
  11 KB (1,560 words) - 20:12, 15 March 2013