*HEADING
 BASIC VERIFICATION - MPC TYPES SS LINEAR AND SLIDER
 ELEMENTS: S4R AND C3D8, TEST with *RIKS
*NODE
*NODE
*NGEN
*NGEN
*ELEMENT,TYPE=C3D8,ELSET=SOLID
*ELGEN,ELSET=SOLID
*SOLID SECTION,ELSET=SOLID,MATERIAL=MAT
*ELEMENT,TYPE=S4R,ELSET=SHELL
*ELGEN,ELSET=SHELL
*SHELL SECTION,ELSET=SHELL,MATERIAL=MAT
.25,3
*MATERIAL,NAME=MAT
*ELASTIC
30.E6,.3
*MPC
SS LINEAR, 101,3,13,23
SS LINEAR, 111,6,16,26
SS LINEAR, 121,9,19,29
SLIDER, 13,3,23
SLIDER, 16,6,26
SLIDER, 19,9,29
*NSET,NSET=SYM,GEN
*NSET,NSET=CLAMPED,GEN
*NSET,NSET=EDGE
*BOUNDARY
CLAMPED,1,3
SYM,ZSYMM
*STEP,NLGEOM
 Geometric nonlinear
*STATIC,RIKS
0.1,1.0,0.1,0.1,1.0
*CLOAD
105,2,-15
115,2,-30
125,2,-15
*NODE PRINT,FREQ=999
 U,
 RF,
*NODE FILE,FREQ=999
 U,
 RF,
*EL PRINT,FREQ=0
*END STEP