
Description of the flow problem

height of the character: 1.6

width of the character: 2

thickness of the character: 0.1

inflow speed 1 at the left side

natural outflow at the rigth side

zero speed at the walls

inflow temperature 1 at the left side

natural b.c.'s for temperature at the walls

initial condition at t=0: starting from rest

viscosity parameter: 1/nu=100,000


Description of the spatial discretization

coarse mesh (=level 1): 30 cells, 62 vertices, 212 d.o.f.'s

uniform refinements with exact boundary adaption

visualization on level 6: 30,720 cells, 31,713 vertices,
155,584 d.o.f.`s

computational mesh on level 7: 122,880 cells, 124,865 vertices,
618,368 d.o.f.`s

nonconforming nonparametric rotated bilinear fem's (meanvalue
version), UPW


Description of the temporal discretization

equidistant time stepping for computation with k=0.003703704

equidistant time stepping for visualization with k=
0.033333334 (= 1 frame)

Total time T= 10 seconds corresponds to
2,700 time steps

fractional step theta scheme


Computer requirements

date: 03/17/99

simulation by: J.F.Acker/S.Turek

visualization by: J.F.Acker

SUN ULTRA1/140MHZ 105 MB, 69,406 seconds

GMV data: 1.4 GB

Software: FEATFLOW1.1 (BOUSS)


Mathematical details

For more details about numerical and algorithmic aspects see the
`Mathematical Background' in the
FEATFLOW manual
or
visit our
paper archive for much more details.

The problemspecific data for the applied software version
including parameter files and
input data can be downloaded
here!


Please send any comments and suggestions to:
featflow@featflow.de
