Basics : Driven Cavity
This is the universally famous driven cavity case tested with the second order steady solver and for Re=1000.
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Basics : Driven Cavity
This is the universally famous driven cavity case tested with the second order steady solver and for Re=1000.
Fluid velocity fringes
*KEYWORD *TITLE *DATABASE_BINARY_D3PLOT *DEFINE_CURVE_TITLE *ICFD_BOUNDARY_NONSLIP *ICFD_BOUNDARY_PRESCRIBED_VEL *ICFD_CONTROL_GENERAL *ICFD_CONTROL_OUTPUT *ICFD_CONTROL_STEADY *ICFD_MAT *ICFD_PART *ICFD_PART_VOL *ICFD_SECTION *INCLUDE *MESH_SURFACE_ELEMENT *MESH_SURFACE_NODE *MESH_VOLUME *PARAMETER *END
$-----------------------------------------------------------------------------
$
$ Example provided by Iñaki (LSTC)
$
$ E-Mail: info@dynamore.de
$ Web: http://www.dynamore.de
$
$ Copyright, 2015 DYNAmore GmbH
$ Copying for non-commercial usage allowed if
$ copy bears this notice completely.
$
$X------------------------------------------------------------------------------
$X
$X 1. Run file as is.
$X Requires LS-DYNA MPP Dev 114223 (or higher) with double precision
$X
$X------------------------------------------------------------------------------
$# UNITS: Dimensionless
$X------------------------------------------------------------------------------
$X
*KEYWORD
*TITLE
ICFD Driven Cavity
*INCLUDE
mesh.k
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ PARAMETERS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*PARAMETER
I It_max 2500
R dt_plot 250
$
$--- Fluid
$
Rrho_fluid 1
R mu_fluid 0.001
Rvel_fluid 1
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ ICFD CONTROL CARDS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*ICFD_CONTROL_GENERAL
1 0 0
*ICFD_CONTROL_STEADY
&It_max 1e-8 1e-8 1 1 1 0
*ICFD_CONTROL_OUTPUT
$# msgl
4
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ ICFD PARTS/ SECTION/ MATERIAL $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*ICFD_MAT
$# mid flg ro vis
1 1&rho_fluid &mu_fluid
*ICFD_PART
$# pid secid mid
1 1 1
*ICFD_PART
$# pid secid mid
2 1 1
*ICFD_PART_VOL
$# pid secid mid
10 1 1
$# spid1 spid2
1 2
*ICFD_SECTION
$# sid
1
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ ICFD BOUNDARY/INITIAL/LOAD CONDITIONS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*ICFD_BOUNDARY_NONSLIP
$# pid
2
*ICFD_BOUNDARY_PRESCRIBED_VEL
$# pid dof vad lcid sf vid death birth
1 1 1 1 1.000000 01.0000E+28 0.000
*DEFINE_CURVE_TITLE
Vel Inlet
$# lcid sidr sfa sfo offa offo dattyp
1 &vel_fluid
$# a1 o1
0.0 1.0
10000.0 1.0
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ ICFD MESH KEYWORDS $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*MESH_VOLUME
$# volid
10
$# pid1 pid2
1 2
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
$ $
$ DATABASE (OUTPUT) $
$ $
$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*DATABASE_BINARY_D3PLOT
&dt_plot
*END
This is the universally famous driven cavity case tested with the second order steady solver and for Re=1000.
References :
[1] U. GHIA, K. N. GHIA, and C. T. SHIN, High-re solutions for incompressible using the navier-stokes equations and a multigrid method*, COMPUTATIONAL PHYSICS, 48 (1982), pp. 187–411.
[2] E. Erturk, Discussions on driven cavity flow, INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS, 60 (2009), pp. 275–294.