*HEADING : CPE8 MODEL CHANGE VERIFICATION; ELASTIC MATERIAL *NODE 1, 11,5. 401,,2. 411,5.,2. *NGEN,NSET=BOT 1,11,1 *NGEN,NSET=TOP 401,411,1 *NFILL,NSET=NALL BOT,TOP,4,100 *NSET, NSET=XFIX, GEN 1, 401, 100 *NSET, NSET=YFIX 1, *NSET, NSET=YFIX2 11, *NSET, NSET=XMOVE, GEN 11, 411, 100 *NSET, NSET=YMOVE, GEN 204, 208, 1 404, 408, 1 *ELEMENT,TYPE=CPE8,ELSET=EALL 1,1,3,203,201, 2, 103, 202, 101 *ELGEN,ELSET=EALL 1,5,2,1,2,200,5 *ELSET, ELSET=EREMOV 2,3,4,7,8,9 *SOLID SECTION,MATERIAL=RUBBER,ELSET=EALL 1., *MATERIAL,NAME=RUBBER *ELASTIC 4064385.018,0.451566 *BOUNDARY YFIX, 2, 2 XFIX, 1,1 YFIX2, 2,2 *STEP,NLGEOM COMPRESS ELEMENTS *STATIC 0.1,1.,0.1,0.1 *BOUNDARY XMOVE, 1,1 ,-0.1 *NODE PRINT, FREQ=99 U, RF, *EL PRINT, FREQ=99 E, NE, S, *NODE FILE, FREQ=99 U, RF *EL FILE, FREQ=99 E, NE, S *END STEP *STEP,NLGEOM REMOVE MIDDLE ELEMENTS *STATIC 1.,1. *MODEL CHANGE,REMOVE,TYPE=ELEMENT EREMOV, *END STEP *STEP,NLGEOM *STATIC 1.,1. *BOUNDARY YMOVE, 2,2, 0.0 *END STEP *STEP,NLGEOM ADD ELEMENTS BACK IN *STATIC 0.1,1.,0.1,0.1 *MODEL CHANGE,ADD,TYPE=ELEMENT EREMOV, *BOUNDARY,OP=NEW YFIX, 2, 2 XFIX, 1,1 YFIX2, 2,2 XMOVE, 1,1 ,0.1 *END STEP