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ex_navierstokes3.m File Reference

Description

EX_NAVIERSTOKES3 2D Example for incompressible stationary flow around a cylinder.

[ FEA, OUT ] = EX_NAVIERSTOKES3( VARARGIN ) Stationary flow around a cylinder. References

[1] John V, Matthies G. Higher-order finite element discretizations in a benchmark problem for incompressible flows. International Journal for Numerical Methods in Fluids 2001.

[2] Nabh G. On higher order methods for the stationary incompressible Navier-Stokes equations. PhD Thesis, Universitaet Heidelberg, 1998.

Accepts the following property/value pairs.

Input       Value/{Default}        Description
-----------------------------------------------------------------------------------
rho         scalar {1}             Density
miu         scalar {0.001}         Molecular/dynamic viscosity
umax        scalar {0.3}           Maximum magnitude of inlet velocity
igrid       scalar {2}             Grid type: >0 regular (igrid refinements)
                                              <0 unstruc. grid (with hmax=|igrid|)
sf_u        string {sflag2}        Shape function for velocity
sf_p        string {sf_disc1}      Shape function for pressure
iphys       scalar 0/{1}           Use physics mode to define problem (=1)
iplot       scalar 0/{1}           Plot solution (=1)
                                                                                  .
Output      Value/(Size)           Description
-----------------------------------------------------------------------------------
fea         struct                 Problem definition struct
out         struct                 Output struct
Generated fields of fea:
Generated fields of out: