*HEADING
: MEMBRANE LOADING  [CPE4E]
*PREPRINT,ECHO=YES,HISTORY=NO,MODEL=NO
*NODE
 1, 0.0, 0.0
 2, 2.0, 0.0
 3, 2.0, 1.0
 4, 0.0, 1.0
*ELEMENT,TYPE=CPE4E, ELSET=EALL
 1, 1,2,3,4
*SOLID SECTION,MATERIAL=A1, ELSET=EALL
 1.0, 
*MATERIAL,NAME=A1
*ELASTIC,TYPE=ISOTROPIC
 30.0E6,0.3
*PIEZOELECTRIC,TYPE=S
0.,0.,0.,0.,0.,0.,0.,0.
0.,0.,0.,0.,0.,0.,0.,0.
0.,0.
*DIELECTRIC,TYPE=ISO
1.0E-3, 
*BOUNDARY
 1,1,2
 2,2
 1,9
 2,9
*STEP,PERTURBATION
*STATIC
*DLOAD
 1, P3, 1000.0
 1, P2, 1000.0
 1, P4, 1000.0
*DECHARGE
 1, ES1, 1000.0
 1, ES2, 1000.0
 1, ES3, 1000.0
 1, ES4, 1000.0
*CLOAD
 2,1,  1000.0
 3,1, -1000.0
 3,2,  -500.0
 4,2,   500.0
 4,1, -1000.0
*CECHARGE
1,,-1500.
2,,-1500.
3,,-500.
4,,-500.
*EL FILE
 S,COORD,E,
 LOADS,
 CHRGS,
 EFLX,EPG
 ENER,
 ELEN,
*ENERGY FILE
*NODE FILE
 U,COORD,EPOT,RCHG,RF
*NODE PRINT
 U,COORD,EPOT
 RCHG,RF
*EL PRINT
 S,COORD,
 E,
 LOADS,
 CHRGS,
 EFLX,EPG
 ENER,
 ELEN,
*END STEP