Hello,
I am a bit confused about a simulation of brittle cracking presented in "ABAQUS EXAMPLE MANUAL" 1.1.5 Collapse of a concrete slab. I was trying to re-simulate the example on my PC and I got really weird results force (RF3) vs. time read in the support point.
Please have a look at attached picture. I download the file mnneice_5.inp from Example 1.1.5 calculated and got totally different resuls. Does it have something to do with setting of my Abaqus software?
Can somebody do the same and check this out?
Thank you very much for any help!
Here the is the *inp file:
*HEADING
CORNER SUPPORTED TWO-WAY SLAB TESTED BY MCNEICE
*NODE
1,0.,0.
13,18.,0.
1201,0.,18.
1213,18.,18.
*NGEN,NSET=Y-SYM
1,13
*NGEN,NSET=X-SYM
1,1201,100
*NGEN,NSET=LX2
1201,1213
*NGEN,NSET=LY2
13,1213,100
*NSET,NSET=ONE
1,
*NFILL
X-SYM,LY2,12,1
*ELEMENT,TYPE=S4R,ELSET=SLAB
1,1,2,102,101
*ELGEN,ELSET=SLAB
1,12,1,1,12,100,12
*SHELL SECTION,ELSET=SLAB,MATERIAL=CONC
1.75,9
*REBAR,ELEMENT=SHELL,MATERIAL=SLABMT,GEOMETRY=ISOPARAMETRIC,NAME=YY
SLAB,.014875,1.,-.435,4
*REBAR,ELEMENT=SHELL,MATERIAL=SLABMT,GEOMETRY=ISOPARAMETRIC,NAME=XX
SLAB,.014875,1.,-.435,1
*MATERIAL,NAME=SLABMT
*ELASTIC
29.E6,
*PLASTIC
50.E3,
*DENSITY
7.3e-2,
*MATERIAL,NAME=CONC
*ELASTIC
4.15E6,.15
*DENSITY
2.246e-2,
*BRITTLE CRACKING
459.8,0.
0.,5e-4
*BRITTLE SHEAR
1.,0.
0.,5e-4
*BOUNDARY
Y-SYM,YSYMM
X-SYM,XSYMM
1213,3
*AMPLITUDE,NAME=RAMP,DEFINITION=SMOOTH STEP
0.,0.,1.,1.
*RESTART,WRITE,NUM=1
*STEP
*DYNAMIC,EXPLICIT
,1
*BOUNDARY,AMP=RAMP
1,3,3,-1
*MONITOR,NODE=1,DOF=3
***OUTPUT,HISTORY,TIME INTERVAL=5.00E-4
***ENERGY OUTPUT
**ALLKE,ALLSE,ALLIE,ALLWK,ALLAE,ETOTAL
***NODE OUTPUT,NSET=ONE
**RF,
**U,
*****
*ELSET, ELSET=QA_TEST
1, 12, 133, 144, 66, 67, 78, 79
*NSET, NSET=QA_TEST, ELSET=QA_TEST
*FILE OUTPUT,TIMEMARKS=YES,NUMBER=1
*NODEFILE, NSET=QA_TEST
U,
*ELFILE, ELSET=QA_TEST
CKEMAG,
CKSTAT,
CRACK,
*OUTPUT, FIELD, TIME MARKS=YES, NUMBER INTER=1
*ELEMENT OUTPUT, ELSET=QA_TEST
LE,
*NODE OUTPUT, NSET=QA_TEST
U,
*OUTPUT, HIST, FREQ=999
*ENERGY OUTPUT, VAR=PRESELECT
*****
*END STEP