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In this FSI test case, three pieces of flimsy placed on a table are sucked by a vacuuming tube. The sucking process and the interaction between the flimsy and the fluid is simulated including the deformation pattern of the flimsy.

Description

In this FSI test case, three pieces of flimsy placed on a table are sucked by a vacuuming tube. The sucking process and the interaction between the flimsy and the fluid is simulated including the deformation pattern of the flimsy.

Animated Result

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Keywords

*DUALCESE_MODEL

*DUALCESE_CONTROL_SOLVER

*DUALCESE_CONTROL_TIMESTEP

*DUALCESE_CONTROL_LIMITER

*DUALCESE_INCLUDE_MODEL

*DUALCESE_BOUNDARY_NON_REFLECTIVE_SEGMENT_SET

*DUALCESE_BOUNDARY_SOLID_WALL_SEGMENT_SET

*DUALCESE_INITIAL

*DUALCESE_PART

*DUALCESE_MAT_GAS

*DUALCESE_EOS_IDEAL_GAS

*DUALCESE_D3PLOT

*CONTROL_TERMINATION

*DATABASE_BINARY_D3PLOT

*DATABASE_BINARY_D3DUMP

*INCLUDE

*DEFINE_CURVE

*PART

*SECTION_SHELL

*MAT_ELASTIC

*CONTACT_AUTOMATIC_GENERAL_MPP

*CONTROL_CONTACT

*SET_PART_LIST

*LOAD_BODY_Z

*LOAD_BODY_PARTS

*BOUNDARY_SPC_SET

Reduced Input

*KEYWORD

*TITLE

3_Flimsy_parallel_1

$===========================================================================

$ Units:

$ rho (density):  Kg/m^3

$ V   (velocity): m/s

$ P   (pressure): Pa

$ T   (temperature): K

$============================================================================

*CONTROL_TERMINATION

$   endtim    endcyc     dtmin     endeng   endmas

0.07     60000

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

$ Define the load curves

*DEFINE_CURVE

$     lcid      sidr       sfa       sfo      offa      offo    dattyp

1

$                 a1                  o1

0.0                 1.0

$           1000000.0                 1.0

10.0                 1.0

*DEFINE_CURVE

$     lcid      sidr       sfa       sfo      offa      offo    dattyp

2

$                 a1                  o1

0.0                 0.0

$           1000000.0                 0.0

10.0                 0.0

*DEFINE_CURVE

$     lcid      sidr       sfa       sfo      offa      offo    dattyp

101

$                 a1                  o1

0.0                 1.0

1000000.0                 1.0

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

$ Handle output of state, time-history,  and restart data

*DATABASE_BINARY_D3PLOT

$  dt/cycl      lcdt      beam     npltc

0.1e-2                  0

$  0.4e-3                  0

*DATABASE_BINARY_D3DUMP

$  dt/cycl      lcdt      beam     npltc

30000

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

*INCLUDE

struct_setup.k

*DUALCESE_MODEL

dcese_setup.k

*END

$===========================================================================

*KEYWORD

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

$ Setup the CE/SE solver

*DUALCESE_CONTROL_SOLVER

$    ieqns     igeom iframeref

Euler        3D     fixed

$        NS        3D     fixed

*DUALCESE_CONTROL_TIMESTEP

$     iddt       cfl     dtint

2       0.9    0.0001

*DUALCESE_CONTROL_LIMITER

$    idlmt      alfa      beta      epsr

0       1.0       1.0      0.01

*DUALCESE_INCLUDE_MODEL

fluid_m5h.k

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

*DUALCESE_FSI_EXCLUDE

1005

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

$ Setup the boundary conditions

$ Prescribed inlet BC (left)

*DUALCESE_BOUNDARY_PRESCRIBED_SEGMENT_SET

$     ssid

10

$   lcid_u    lcid_v    lcid_w    lcid_d    lcid_p    lcid_t

-1        -1        -1        -1                  -1

$     sf_u      sf_v      sf_w      sf_d      sf_p      sf_t

$                                        0.98325e+5

0.98325e+5

$

$ open BCs

$

*DUALCESE_BOUNDARY_NON_REFLECTIVE_SEGMENT_SET

$     ssid

1

2

3

5

12

$

$ bottom solid BC_7

$

*DUALCESE_BOUNDARY_SOLID_WALL_SEGMENT_SET

$     ssid

7

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

$ Setup the initial conditions for fluid

*DUALCESE_INITIAL

$      uic       vic       wic     rhoic       pic       tic       hic

0.0       0.0       0.0      1.22 1.01325e5

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

$ Setup fluid properties

$

*DUALCESE_PART

$      pid       mid     eosid FSI-type MOVMSHALG

1         4         3      IBM

*DUALCESE_MAT_GAS

$      mid        c1        c2      prnd

4  1.458e-6     110.4      0.72

*DUALCESE_EOS_IDEAL_GAS

$    eosid        cv        cp        t0        v0

3      719.0    1006.0

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

$ Handle output of state, time-history,  and restart data

*DUALCESE_D3PLOT

density

pressure

velocity

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

*END

$============================================================================

*KEYWORD

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

*MAT_ELASTIC

5,2.4e+2,5.15e+8,0.1,0.0,0.0,0.0

*MAT_ELASTIC

9,5.0e+5,1.0e+9,0.1,0.0,0.0,0.0

*SECTION_SHELL

6,2,0.0,0.0,0.0

0.00035,0.00035,0.00035,0.00035

*SECTION_SHELL

7,16,0.0,0.0,0.0

0.002,0.002,0.002,0.002

*PART

flimsy

3,6,5,0,0,0,0,0

*PART

flimsy

4,6,5,0,0,0,0,0

*PART

flimsy

5,6,5,0,0,0,0,0

*PART

nozzle

501,7,9,0,0,0,0,0

*PART

table

1005,7,9,0,0,0,0,0

$===============================================================================

*CONTACT_AUTOMATIC_GENERAL_MPP

$#     cid                                                                 title

$# iptrack   bsortfq    unused     track   initier    parmax    unused  beampart

0         1         0        10         0  1.100000

$#    ssid      msid     sstyp     mstyp    sboxid    mboxid       spr       mpr

910         0         2         2                             1         1

$#      fs        fd        dc        vc       vdc    penchk        bt        dt

0.0      60.0         0       0.0       0.0

$#     sfs       sfm       sst       mst      sfst      sfmt       fsf       vsf

1E-6      1E-6

1

$===============================================================================

*CONTROL_CONTACT

0.10000                             1                   1

1                             1

 

2

$===============================================================================

*SET_PART_LIST

910,0.0,0.0,0.0,0.0

3,4,5,501,1005

*SET_PART_LIST

922,0.0,0.0,0.0,0.0

3,4,5

*LOAD_BODY_Z

$ lcid     sf    lciddr  xc  yc  zc

101,9.81

*LOAD_BODY_PARTS

922

*BOUNDARY_SPC_SET

79,0,1,1,1,1,1,1

$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$

*INCLUDE

struct_m1h.k

*END

$============================================================================

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