Has anyone compared the results of Ansys solid5 element and Abaqus c3d8 element? I tried a very simple example with
exactly same conditions for both elements but got very different displacement results. I put both input files here,
can anyone help me check whether there is something wrong? Thanks.
Ansys Input:
/prep7
et,2,solid5,2,,1
mp,ex,2,2.1e11
mp,prxy,2,0.3
K, ,0,0,0,
K, ,16e-4,0,0,
K, ,16e-4,3.2e-4,0,
K, ,0,3.2e-4,0,
KGEN,2,all,,,,,2e-4,,0
V,1,2,3,4,5,6,7,8
TYPE,2
MAT,2
ESYS,0
LESIZE,1,,,5
LESIZE,2,,,1
LESIZE,5,,,1
MSHAPE,0,3D
MSHKEY,1
VMESH,1
D,1,ux,,,,,uy,uz
D,2,uy,,,,,uz
D,8,uz
D,7,uz,1e-4
/solu
solve
Abaqus Input:
*node
1,0.00E+00,0.00E+00,0.00E+00
2,1.60E-03,0.00E+00,0.00E+00
3,3.20E-04,0.00E+00,0.00E+00
4,6.40E-04,0.00E+00,0.00E+00
5,9.60E-04,0.00E+00,0.00E+00
6,1.28E-03,0.00E+00,0.00E+00
7,1.60E-03,3.20E-04,0.00E+00
8,0.00E+00,3.20E-04,0.00E+00
9,1.28E-03,3.20E-04,0.00E+00
10,9.60E-04,3.20E-04,0.00E+00
11,6.40E-04,3.20E-04,0.00E+00
12,3.20E-04,3.20E-04,0.00E+00
13,1.60E-03,0.00E+00,2.00E-04
14,0.00E+00,0.00E+00,2.00E-04
15,1.28E-03,0.00E+00,2.00E-04
16,9.60E-04,0.00E+00,2.00E-04
17,6.40E-04,0.00E+00,2.00E-04
18,3.20E-04,0.00E+00,2.00E-04
19,1.60E-03,3.20E-04,2.00E-04
20,0.00E+00,3.20E-04,2.00E-04
21,1.28E-03,3.20E-04,2.00E-04
22,9.60E-04,3.20E-04,2.00E-04
23,6.40E-04,3.20E-04,2.00E-04
24,3.20E-04,3.20E-04,2.00E-04
*element,type=c3d8,elset=PM
1,1,3,12,8,14,18,24,20
2,3,4,11,12,18,17,23,24
3,4,5,10,11,17,16,22,23
4,5,6,9,10,16,15,21,22
5,6,2,7,9,15,13,19,21
*solid section,elset=PM,material=PE
*material,name=PE
*elastic,type=isotropic
2.1E11,0.3
*boundary
1,1,3
2,2,3
8,3
*step
*static
*boundary
7,3,,1e-4
*node print
u
*end step