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ex_navierstokes6.m File Reference


EX_NAVIERSTOKES6 2D incompressible time-dependent flow around a cylinder.

[ FEA, OUT ] = EX_NAVIERSTOKES6( VARARGIN ) Benchmark example for time-dependent flow around a cylinder.


[1] Schaefer M, Turek S. Benchmark computations of laminar flow around a cylinder. In Flow Simulation with High-Performance Computers II, Notes on Numerical Fluid Dynamics, vol. 52. Vieweg, 1996; 547-566.

[2] John V. Reference values for drag and lift of a two-dimensional time-dependent flow around a cylinder. International Journal for Numerical Methods in Fluids 2004; 44:777-788.

Accepts the following property/value pairs.

Input       Value/{Default}        Description
rho         scalar {1}             Density
miu         scalar {0.001}         Molecular/dynamic viscosity
igrid       scalar {2}             Grid type: >0 regular (igrid refinements)
                                              <0 unstruc. grid (with hmax=|igrid|)
dt          scalar {0.02}          Time step size
ischeme     scalar {3}             Time stepping scheme
sf_u        string {sflag2}        Shape function for velocity
sf_p        string {sf_disc1}      Shape function for pressure
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: