*Heading
** Iliac Adventitial strip: axial specimen
** Perfectly aligned fibers (Kappa=0)
** Uniaxial tension, 4th Symmetry Model, Membrane elements (M3D4)
*Preprint, echo=NO, model=NO, history=NO, contact=NO
**
** PARTS
**
*Part, name=Part-1
*End Part
**
**
** ASSEMBLY
**
*Assembly, name=Assembly
**
*Instance, name=Part-1-1, part=Part-1
*Node
*Element, type=M3D4
*Nset, nset=strip, internal, generate
*Elset, elset=strip, internal, generate
** Section: strip
*parameter
 Pi = 3.141592654
 gamma = 49.98
 theta1 = gamma - 90
 c1 = cos(theta1*Pi/180)
 s1 = sin(theta1*Pi/180)
 theta2 = theta1-2*gamma
 c2 = cos(theta2*Pi/180)
 s2 = sin(theta2*Pi/180)
*orientation,name=ori-1,local directions=2
 <c1>, <s1>, 0.0
 <c2>, <s2>, 0.0
*Membrane Section, elset=strip, material=IliacAdventitia,orientation=ori-1
 0.5,
*End Instance
**
*Nset, nset=xsymm, instance=Part-1-1, generate
*Nset, nset=ysymm, internal, instance=Part-1-1, generate
*Elset, elset=ysymm, instance=Part-1-1, generate
*Nset, nset=endface, instance=Part-1-1, generate
*Nset, nset=nDriven, instance=Part-1-1, generate
*Nset, nset=nLoad, instance=Part-1-1
*Nset, nset=QA_TEST
 nLoad
*Elset, elset=QA_TEST
 Part-1-1.strip
*equation
 nDriven, 1, 1, nLoad, 1, -1
*End Assembly
*Amplitude, name=Amp-1, definition=SMOOTH STEP
          0.,           0.,           2.,           1.
**
** MATERIALS
**
*parameter
 density=1.0e-4
 C10=3.82e-3
 D=0
 K1=996.6e-3
 K2=524.6
 Kappa=0.0
*Material, name=IliacAdventitia
*density
 <density>
*anisotropic hyperelastic,holzapfel, local directions=2
 <C10>, <D>, <K1>, <K2>, <Kappa>
** ----------------------------------------------------------------
**
** STEP: Step-1
**
*Step, name=Step-1
Simple Tension
*Dynamic, Explicit
, 2.
*Bulk Viscosity
**
** BOUNDARY CONDITIONS
**
**
** BOUNDARY CONDITIONS
**
*Boundary
 xsymm, 1, 1
 ysymm, 2, 2
 endface, 2, 2
*Boundary, amplitude=Amp-1
 nLoad, 1, 1, 1.055
**
** OUTPUT REQUESTS
**
*Restart, write, number interval=1, time marks=NO
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT
*Output, field, number interval=1
*element output, elset=QA_TEST
 LE, S
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*node output, nset=QA_TEST
 RF1, U1
*End Step