x

# Reduced Input

```\$-----------------------------------------------------------------------------
\$
\$ Example provided by Iñaki (LSTC)
\$
\$ E-Mail: info@dynamore.de
\$ Web: http://www.dynamore.de
\$
\$ 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 121000 (or higher) with double precision
\$X
\$X------------------------------------------------------------------------------
\$# UNITS: (kg/m/s)
\$X------------------------------------------------------------------------------
\$X
*KEYWORD
*TITLE
ICFD Sphere sinking
\$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
\$                                                                              \$
\$                             PARAMETERS                                       \$
\$                                                                              \$
\$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*PARAMETER
R    T_end       0.2
R  dt_plot      5e-3
\$
\$--- Fluid
\$
Rrho_fluid      1000
R mu_fluid     0.001
R dt_fluid      5e-4
R  grav         9.81
\$
\$--- Struc
\$
Rrho_struc     2540.
RE_struc        2e11
Rnu_struc        0.3
*INCLUDE
mesh.k
*INCLUDE
struc.k
*DATABASE_BINARY_D3PLOT
&dt_plot
\$
\$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
\$                                                                              \$
\$                           ICFD CONTROL CARDS                                 \$
\$                                                                              \$
\$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*ICFD_CONTROL_TIME
\$#     ttm        dt
&T_end &dt_fluid
*ICFD_CONTROL_FSI
\$#     owc        bt
0
*ICFD_CONTROL_OUTPUT
\$#   msglv
3
\$#   asize
1        20
\$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
\$                                                                              \$
\$                       ICFD PARTS/ SECTION/ MATERIAL                          \$
\$                                                                              \$
\$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*ICFD_SECTION
\$#     sid
1
*ICFD_MAT
\$#     mid       flg        ro       vis
1         1&rho_fluid &mu_fluid
*ICFD_MAT
\$#     mid       flg        ro       vis
2         0
*ICFD_PART
\$#     pid     secid       mid
1         1         2
*ICFD_PART
\$#     pid     secid       mid
2         1         2
*ICFD_PART
\$#     pid     secid       mid
3         1         2
*ICFD_PART
\$#     pid     secid       mid
4         1         1
*ICFD_PART
\$#     pid     secid       mid
5         1         1
*ICFD_PART
\$#     pid     secid       mid
6         1         1
*ICFD_PART
\$#     pid     secid       mid
7         1         1
*ICFD_PART_VOL
\$#     pid     secid       mid
8         1         2
\$#   spid1     spid2     spid3     spid4     spid5     spid6     spid7     spid8
1         2         3         4
*ICFD_PART_VOL
\$#     pid     secid       mid
16         1         1
\$#   spid1     spid2     spid3     spid4     spid5     spid6     spid7     spid8
4         5         6         7
\$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
\$                                                                              \$
\$                    ICFD BOUNDARY/INITIAL CONDITIONS                          \$
\$                                                                              \$
\$---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
*ICFD_BOUNDARY_FSI
\$#     pid
1
*ICFD_BOUNDARY_FSI
\$#     pid
5
*ICFD_BOUNDARY_NONSLIP
\$#     pid
1
*ICFD_BOUNDARY_NONSLIP
\$#     pid
5
*ICFD_BOUNDARY_FREESLIP
\$#     pid
2
*ICFD_BOUNDARY_FREESLIP
\$#     pid
3
*ICFD_BOUNDARY_FREESLIP
\$#     pid
6
*ICFD_BOUNDARY_FREESLIP
\$#     pid
7
\$#    lcid        sf
1         1
*DEFINE_CURVE_TITLE
Gravity force
\$#    lcid      sidr       sfa       sfo      offa      offo    dattyp
1                    &grav
\$#                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
30
\$#    pid1      pid2      pid3      pid4      pid5      pid6      pid7      pid8
1         2         3         5         6         7
*MESH_INTERF
\$#     pid
30
\$#   spid1
4
*MESH_BL
1         1
*MESH_BL
5         1
*MESH_SIZE_SHAPE
sphere,1,1
0.00025      0.01         3
*ICFD_DEFINE_POINT
1         0         0         0         1
*END```