*Heading
** Job name: CWSand_01 Model name: Sandwich
** Generated by: Abaqus/CAE 6.9-EFR
*Preprint, echo=NO, model=NO, history=NO, contact=NO
**
** PARTS
**
*Part, name=Bottom-Plate
*Node
*Element, type=C3D8R
*Nset, nset=ALL, generate
*Elset, elset=ALL, generate
*Nset, nset=Top-Surf, generate
*Elset, elset=Top-Surf, generate
*Nset, nset=Bottom-Surf, generate
*Elset, elset=Bottom-Surf, generate
*Nset, nset=x0, generate
*Nset, nset=xL, generate
*Nset, nset=y0
*Nset, nset=yL
*Nset, nset=y0edge-top, generate
*Nset, nset=y0edge-bottom, generate
*Elset, elset=_Bottom_S1, internal, generate
*Surface, type=ELEMENT, name=Bottom
_Bottom_S1, S1
*Elset, elset=_Top_S2, internal, generate
*Surface, type=ELEMENT, name=Top
_Top_S2, S2
** Section: Solid-Plate
*Solid Section, elset=ALL, material=Steel_49Fe-24Ni-21Cr-6Mo_wt
*End Part
**
*Part, name=Honeycomb
*Node
*Element, type=S4R
*Nset, nset=ALL, generate
*Elset, elset=ALL, generate
*Nset, nset=Top
*Elset, elset=Top
*Nset, nset=Bottom
*Elset, elset=Bottom
** Section: Shell-Honeycomb
*Shell Section, elset=ALL, material=Steel_49Fe-24Ni-21Cr-6Mo_wt
0.76, 5
*End Part
**
*Part, name=Top-Plate
*Node
*Element, type=C3D8R
*Nset, nset=ALL, generate
*Elset, elset=ALL, generate
*Nset, nset=Top-Surf, generate
*Elset, elset=Top-Surf, generate
*Nset, nset=Bottom-Surf, generate
*Elset, elset=Bottom-Surf, generate
*Nset, nset=x0, generate
*Nset, nset=xL, generate
*Nset, nset=y0
*Nset, nset=yL
*Nset, nset=y0edge-top, generate
*Nset, nset=y0edge-bottom, generate
*Elset, elset=_Bottom_S1, internal, generate
*Surface, type=ELEMENT, name=Bottom
_Bottom_S1, S1
*Elset, elset=_Top_S2, internal, generate
*Surface, type=ELEMENT, name=Top
_Top_S2, S2
** Section: Solid-Plate
*Solid Section, elset=ALL, material=Steel_49Fe-24Ni-21Cr-6Mo_wt
*End Part
**
**
** ASSEMBLY
**
*Assembly, name=Assembly
**
*Instance, name=Honeycomb-1, part=Honeycomb
*End Instance
**
*Instance, name=Bottom-Plate-1, part=Bottom-Plate
*End Instance
**
*Instance, name=Top-Plate-1, part=Top-Plate
*End Instance
**
*Nset, nset=Right-Clamped, instance=Honeycomb-1
*Nset, nset=Right-Clamped, instance=Bottom-Plate-1, generate
*Nset, nset=Right-Clamped, instance=Top-Plate-1, generate
*Elset, elset=Right-Clamped, instance=Honeycomb-1
*Elset, elset=Right-Clamped, instance=Bottom-Plate-1, generate
*Elset, elset=Right-Clamped, instance=Top-Plate-1, generate
*Nset, nset=Bottom-Y-Symm, instance=Honeycomb-1
*Nset, nset=Bottom-Y-Symm, instance=Bottom-Plate-1
*Nset, nset=Bottom-Y-Symm, instance=Top-Plate-1
*Elset, elset=Bottom-Y-Symm, instance=Honeycomb-1
*Elset, elset=Bottom-Y-Symm, instance=Bottom-Plate-1
*Elset, elset=Bottom-Y-Symm, instance=Top-Plate-1
*Nset, nset=Top-Clamped, instance=Honeycomb-1
*Nset, nset=Top-Clamped, instance=Bottom-Plate-1
*Nset, nset=Top-Clamped, instance=Top-Plate-1
*Elset, elset=Top-Clamped, instance=Honeycomb-1
*Elset, elset=Top-Clamped, instance=Bottom-Plate-1
*Elset, elset=Top-Clamped, instance=Top-Plate-1
*Nset, nset=Left-X-Symm, instance=Honeycomb-1
*Nset, nset=Left-X-Symm, instance=Bottom-Plate-1, generate
*Nset, nset=Left-X-Symm, instance=Top-Plate-1, generate
*Elset, elset=Left-X-Symm, instance=Honeycomb-1
*Elset, elset=Left-X-Symm, instance=Bottom-Plate-1, generate
*Elset, elset=Left-X-Symm, instance=Top-Plate-1, generate
*Nset, nset=QA_test_Top-Center, instance=Top-Plate-1
*Nset, nset=QA_test_Bottom-Center, instance=Bottom-Plate-1
*Surface, type=NODE, name=Honeycomb-1_Bottom_CNS_, internal
Honeycomb-1.Bottom, 1.
*Surface, type=NODE, name=Honeycomb-1_Top_CNS_, internal
Honeycomb-1.Top, 1.
**======================================
**  Defining welds with tie constraint
**======================================
** Constraint: Bottom-Weld
*Tie, name=Bottom-Weld, adjust=no, tied nset=Honeycomb-1.Bottom
Honeycomb-1_Bottom_CNS_, Bottom-Plate-1.Top
** Constraint: Top-Weld
*Tie, name=Top-Weld, adjust=no, tied nset=Honeycomb-1.Top
Honeycomb-1_Top_CNS_, Top-Plate-1.Bottom
**======================================
*Node
*Nset, nset=BLAST-SOURCE
*End Assembly
**
** MATERIALS
**
** High-ductility Stainles Steel Alloy with 49% Fe, 24%Ni, 21%Cr, 6%Mo by
** weight.
*Material, name=Steel_49Fe-24Ni-21Cr-6Mo_wt
**----------------------------------
** Material Prop. for AL-6XN Steel
**----------------------------------
*Density
 7.85e-09,
*Elastic
 161.0e+03, 0.35
*Plastic, hardening=Johnson Cook
 400.0, 1500.0, 0.40, 1.20, 1800.0, 293.0
*Rate Dependent, type=Johnson Cook
*Specific Heat
 452e+6
*Initial Condition, type=temperature
 Top-Plate-1.ALL, 273.0
 Bottom-Plate-1.ALL, 273.0
 Honeycomb-1.ALL, 273.0
**----------------------------------
**
** BOUNDARY CONDITIONS
**
** Name: Bottom-Y-Symm Type: Symmetry/Antisymmetry/Encastre
*Boundary
Bottom-Y-Symm, YSYMM
** Name: Left-X-Symm Type: Symmetry/Antisymmetry/Encastre
*Boundary
Left-X-Symm, XSYMM
** Name: Right-Clamped Type: Symmetry/Antisymmetry/Encastre
*Boundary
Right-Clamped, ENCASTRE
** Name: Top-Clamped Type: Symmetry/Antisymmetry/Encastre
*Boundary
Top-Clamped, ENCASTRE
**
** INCIDENT WAVE PROPERTY
**
*Incident Wave Interaction Property, Name=BLAST, Type=AIR BLAST
*Conwep Charge Property
** --------- Defining General Contact ---------------
*Contact
*Contact inclusions, ALL EXTERIOR
** --------------------------------------------------
**
** STEP: Blast-Dynamic-Explicit
**
*Step, name=Blast-Dynamic-Explicit
Blast Loading (CONWEP) on Top of the Sandwich Structure
*Dynamic, Explicit
, 0.0015
*Bulk Viscosity
*Incident Wave Interaction, Property=BLAST, Conwep
Top-Plate-1.Top, Blast-Source, , 0.0, 1.0
**
** OUTPUT REQUESTS
**
*Restart, write, number interval=1, time marks=NO
**
** FIELD OUTPUT: F-Output-2
**
***Output, field, time interval=1.0e-5
*Output, field, number interval=4
*Element Output, directions=YES
NFORC, P
*Element Output
TEMP
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT, number inter=4
***Output, field, variable=PRESELECT, time interval=1.0e-5
**
** HISTORY OUTPUT: Bottom-Center-History
**
*Output, history, time interval=2.5e-4
*Node Output, nset=QA_test_Bottom-Center
UT
**
** HISTORY OUTPUT: Top-Center-History
**
*Node Output, nset=QA_test_Top-Center
UT
**----------------------------------------
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*End Step