*HEADING : NAFEMS CREEP BENCHMKS 2D PLN STRESS--BIAXIAL DISP (CPS8R) TEST 2(b) -- SECONDARY CREEP *NODE 1,0.,0, 3,100.,0. 7,0.,100. 9,100.,100. *NGEN,NSET=LEFT 1,7,3 *NGEN,NSET=RIGHT 3,9,3 *NFILL,NSET=ALL LEFT,RIGHT,2,1 *NSET,NSET=BOTTOM,GENERATE 1,3 *NSET,NSET=TOP,GENERATE 7,9 ** ** ELEMENT DEFINITION ** *ELEMENT,TYPE=CPS8R,ELSET=CREEP 1,1,3,9,7,2,6,8,4 *SOLID SECTION,ELSET=CREEP,MATERIAL=STEEL *MATERIAL,NAME=STEEL *ELASTIC 200.E3,0.3 *CREEP,LAW=TIME 3.125E-14,5. *BOUNDARY LEFT,1,1 BOTTOM,2,2 ** ** *STEP STEP 1 IMPOSING LINEAR ELASTIC DISPLACEMENT *STATIC 1.E-7,1.E-6 *BOUNDARY RIGHT,1,1,0.1 TOP,2,2,0.1 *EL PRINT S,SINV *NODE PRINT U, *END STEP ** STEP 2 --- RELAXATION *STEP,INC=100 PRESCRIBED X-DISPLACEMENT = 0.1 *VISCO,CETOL=1.E-5 1.E-6,1000., *EL PRINT,FREQ=5 S,SINV *OUTPUT,FIELD *ELEMENT OUTPUT S, *NODE PRINT,FREQ=5 U, *END STEP