*HEADING
 Linear Kinematics Element Test - SPRINGA
*NODE,NSET=NOUT
1,0.0,0.0
2,1.0,0.0
*NSET,NSET=QA_TEST
NOUT,
**
** Truss element is added to calculate the stable time step
**
*ELEMENT, TYPE=T2D2, ELSET=TRUSS
11,1,2
*SOLID SECTION, ELSET=TRUSS, MATERIAL=STEEL
1.0, 
*ELEMENT,TYPE=SPRINGA,ELSET=SPRING
1,1,2
*SPRING,ELSET=SPRING
    , 
1000.0, 
*MATERIAL, NAME=STEEL
*ELASTIC
1.0E05, 0.3
*DENSITY
100.0, 
** history data
*STEP,NLGEOM=NO  
*DYNAMIC,EXPLICIT
,1.0
** apply boundary conditions
*BOUNDARY,TYPE=VELOCITY
1,1,1,0.0
2,1,1,1.0
*BULK VISCOSITY
0,0
*RESTART,WRITE,NUMBER=1
*FILE OUTPUT, NUMBER=1
*NODE FILE, NSET=NOUT
U,
*EL FILE, ELSET=SPRING
ELEN, 
S, 
E,
***********************
*OUTPUT, FIELD, NUMBER INTER=1
*NODE OUTPUT,NSET=QA_TEST
U,
*OUTPUT,HISTORY,TIME INTERVAL=1.0
*ENERGY OUTPUT,VAR=PRESELECT
*********************** 
***OUTPUT,HISTORY,TIME INTERVAL=0.001
***NODE OUTPUT,NSET=NOUT
**U,
**RF,
***ENERGY OUTPUT
**ALLKE,ALLIE,ALLSE,ALLAE,ALLVD,ALLPD,ALLWK,ETOTAL,
**DT,
***ELEMENT OUTPUT,ELSET=SPRING
**S,
*END STEP