*HEADING
 Transfer from Standard to Explicit : MPC pin
 - Explicit analysis
 [base for xs_s_cps4r_mpcpin]
*RESTART,TIMEMARKS=YES,WRITE,NUM=1
*NODE, NSET=QA_TEST_ALLNODES
1, 0.,0.
2, 1.,0.
3, 1.,1.
4, 0.,1.
5, 1.,0.
6, 2.,0.
7, 2.,1.
8, 1.,1.
*NSET,NSET=LEFT
1,4
*NSET,NSET=BOTTOM
1,5,6
*NSET,NSET=RIGHT
6,7
*ELEMENT,TYPE=CPS4R,ELSET=ELALL
1,1,2,3,4
2,5,6,7,8
*SOLID SECTION,ELSET=ELALL,MATERIAL=MAT1
*MATERIAL,NAME=MAT1
*ELASTIC
 2.1E11,.3
*DENSITY
 7800.0, 
*MPC
PIN, 2,5
PIN, 3,8
**
** STEP #1
**
**
*NSET, NSET=QA_TEST_ALLNODES
QA_TEST_ALLNODES, LEFT, BOTTOM, RIGHT
**
*STEP
*DYNAMIC,EXPLICIT
,0.1
*BOUNDARY,TYPE=VELOCITY
LEFT,  1,1,
BOTTOM,2,2,
RIGHT, 1,1, 1.0
*FILE OUTPUT,TIMEMARKS=YES,NUM=1
*NODE FILE
U,
***OUTPUT,HISTORY,TIME INTERVAL=2.5E-3
***ELEMENT OUTPUT,ELSET=ELALL
**S,LE
*OUTPUT, FIELD, TIMEMARKS=YES, NUMBER INTERVAL=1
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.1
*END STEP