*Heading
** Job name: mods Model name: Model-1
**
** PARTS
**
*Part, name=fluid
*End Part
*Part, name=sphere
*End Part
**
** ASSEMBLY
**
*Assembly, name=Assembly
**
*Instance, name=sphere-1, part=sphere
*Node
*Element, type=S4R
** Region: (shell:Picked)
*Elset, elset=_I1, generate
** Section: shell
*Shell Section, elset=_I1, material=shell
0.02, 5
*End Instance
**
*Instance, name=fluid-1, part=fluid
*Node
*Element, type=AC3D8R
** Region: (fluid:Picked)
*Elset, elset=_I1, generate
** Section: fluid
*Solid Section, elset=_I1, material=fluid
1.,
*End Instance
*Nset, nset=sphere, instance=sphere-1, generate
*Elset, elset=sphere, instance=sphere-1, generate
*Nset, nset=fluid, instance=fluid-1, generate
*Elset, elset=fluid, instance=fluid-1, generate
*Nset, nset=zsymm, instance=sphere-1
*Elset, elset=zsymm, instance=sphere-1, generate
*Nset, nset=xsymm, instance=sphere-1
*Elset, elset=xsymm, instance=sphere-1
*Nset, nset=enda, instance=fluid-1
*Nset, nset=ends, instance=sphere-1
*Elset, elset=_shell-fluid_SPOS, instance=sphere-1, generate
*Surface, type=ELEMENT, name=shell-fluid
_shell-fluid_SPOS, SPOS
*Elset, elset=_fluid-shell_S2, instance=fluid-1
*Surface, type=ELEMENT, name=fluid-shell
_fluid-shell_S2, S2
*Elset, elset=_radiation_S3, instance=fluid-1
*Elset, elset=_radiation_S4, instance=fluid-1
*Elset, elset=_radiation_S2, instance=fluid-1
*NSET, NSET=QA_TEST, instance=fluid-1
*Surface, type=ELEMENT, name=radiation
_radiation_S3, S3
_radiation_S4, S4
_radiation_S2, S2
** Constraint: Constraint-1
*Tie, name=Constraint-1, adjust=yes
fluid-shell, shell-fluid
*End Assembly
**
** MATERIALS
**
*Material, name=fluid
*Acoustic Medium
*acoustic medium,cavitation
*Density
1.,
*Material, name=shell
*Density
 7.79,
*Elastic
97., 0.3
**
** BOUNDARY CONDITIONS
**
** Name: BC-1 Type: Symmetry/Antisymmetry/Encastre
*Boundary
xsymm, XSYMM
** Name: BC-2 Type: Symmetry/Antisymmetry/Encastre
*Boundary
zsymm, ZSYMM
**
**
*IMPEDANCE PROPERTY, TYPE=SPHERE, NAME=SPHERE
*INCIDENTWAVEPROPERTY,NAME=PLANE
*INCIDENTWAVEFLUIDPROPERTY
*amplitude,definition=smoothstep,name=smoothstep
-3.0,0.0, 0.0,0.0,  0.1,1.0,  15.0,1.0
*amplitude,definition=tabular,name=step,time=totaltime
-3.0,0.0, 0.0,0.0,  0.1,1.0,  15.0,1.0
*acoustic wave formulation,type=total wave
**
** ----------------------------------------------------------------
**
** STEP: xpl
**
*Step, name=xpl
*Dynamic, Explicit, direct user control
0.01, 10.
*Bulk Viscosity
*incidentwave,pressureamplitude=step,property=plane
**assembly_shell-fluid,1.0e-4
**assembly_fluid-shell,1.0e-4
assembly_radiation,1.0e-4
*SIMPEDANCE
assembly_radiation,SPHERE
**
*Output, field,numberinterval=25
*Node output
u,v,a
POR,
*OUTPUT, FIELD, NUMBER=3
*NODE OUTPUT, NSET=QA_TEST
U,
*Output, history
*Node Output, nset=ends
U,
V,a
*Node Output, nset=enda
POR,
*End Step