CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Wiki > Velocity-pressure coupling

Velocity-pressure coupling

From CFD-Wiki

(Difference between revisions)
Jump to: navigation, search
Line 21: Line 21:
----
----
-
<i> Return to [[Numerical methods | Numerical Methods]] </i>
+
<i> Return to <br>
 +
# [[Numerical methods | Numerical Methods]] </i>

Revision as of 00:04, 4 October 2005

If we consider the discretised form of the Navier-Stokes system, the form of the equations shows linear dependence of velocity on pressure and vice-versa. This inter-equation coupling is called velocity pressure coupling. A special treatment is required in order to velocity-pressure coupling. The methods such as:

  1. SIMPLE
  2. SIMPLER
  3. SIMPLEC
  4. PISO

provide an useful means of doing this for segregated solvers. However it is possible to solve the system of Navier-Stokes equations in coupled manner, taking care of inter equation coupling in a single matrix.


Contents

SIMPLE

See SIMPLE algorithm

SIMPLER

See SIMPLER algorithm

SIMPLEC

See SIMPLEC algorithm

PISO

See PISO algorithm



Return to

  1. Numerical Methods
My wiki