Dear all,
Recently I have got a masters thesis about PTFE and in the appendix, Abaqus/Standard Code is given.
I am trying to put this data into abaqus/cae in order to see the material behavior with this data set. However, I could not put the data into correct places.
I can put Shear Test data in viscoelastic material. When I just put this data and submit the work, I get this error:
-
Error in job uehuzt034o: *VISCOELASTICITY REQUIRES THE USE OF EITHER *ELASTIC, *HYPERELASTIC OR *HYPERFOAM
Error in job uehuzt034o: 1 elements have been defined with zero hour glass stiffness. You may use *hourglass stiffness or change the element type. The elements have been identified in element set ErrElemZeroHourGlassStiffness.
Error in job uehuzt034o: 1 elements are missing elastic property reference. The elements have been identified in element set ErrElemMissingElasticPropRef.
Error in job uehuzt034o: Analysis Input File Processor exited with an error.
Job uehuzt034o aborted due to errors.
-
In this data, what is Long-term normalized shear compliance or modulus?
I am pasting the code below. I would like to create a material from this data.
*NODE
*INCLUDE, INPUT=sleeve_n.inp
**
**
*ELEMENT, TYPE=C3D8R
*INCLUDE, INPUT=sleeve_e.inp
**
**
*NSET, NSET=SLEEVE_NSET, GENERATE
1, 90918, 1
*ELSET, ELSET=SLEEVE_ELSET, GENERATE
1, 78662, 1
**
**
*NSET, NSET=BOUNDARY_X
21,
*NSET, NSET=BOUNDARY_Y
*INCLUDE, INPUT=sleeve_y.inp
*NSET, NSET=BOUNDARY_Z
*INCLUDE, INPUT=sleeve_z.inp
**
*NSET, NSET=RIB_NSET
1306, 10041, 9923, 9805, 9687, 9569, 9451, 9333, 9215, 9097, 424, 5012, 4894, 289, 16310,
16311,
16312, 16313, 16294, 16295, 16296, 16277, 16278, 16259, 16260, 16261, 16242, 16243, 16244,
16245, 16226, 16227,
16228, 16209, 1663, 21042, 21101, 21160, 21219, 21278, 21337, 21396, 21455, 21514, 21573,
22238, 22239, 22240,
2236
**
*ELSET, ELSET=RIB_ELSET
17990, 17871, 17752, 17633, 17514, 17395, 17276,
17157, 17038, 16919, 2740, 1788, 836,
42957, 42757, 42767,
42777, 42787, 42587, 42597, 42607, 42407, 42417,
42427, 42437, 42237, 42037, 42047, 42057,
42067, 41867, 41877,
41887, 41687, 54332, 54863, 55394, 55925, 56456,
56987, 57518, 58049, 58580, 59111, 66179,
66180, 66181, 66182,
**
**
*SOLID SECTION, ELSET=SLEEVE_ELSET, MATERIAL=PTFE_ELASTIC
1.,
**
**
*MATERIAL, NAME=PTFE_ELASTIC
*ELASTIC, MODULI=LONG TERM
4.82e+08, .45
*DENSITY
2160.
*VISCOELASTIC, TIME=RELAXATION TEST DATA
*SHEAR TEST DATA, SHRINF=0.409979
1., 0.001067
0.980599, 0.001386
0.971032, 0.00167
0.924608, 0.003118
0.897826, 0.004528
0.863317, 0.007284
0.838317, 0.010575
0.814023, 0.015071
0.790447, 0.020691
0.752652, 0.035201
0.723731, 0.063331
0.695908, 0.097242
42
0.669162, 0.14519
0.643445, 0.2402
0.618711, 0.39368
0.600791, 0.5405
0.583392, 0.77026
0.56649, 1.1501
0.550086, 1.4931
0.534145, 1.9934
0.523779, 2.9214
0.513622, 3.8282
0.50365, 5.1588
0.489062, 6.7602
0.479576, 8.4552
0.47489, 10.
0.461135, 11.609
0.456647, 15.071
0.452193, 17.991
0.447785, 19.566
0.443412, 25.879
0.439086, 32.978
0.430571, 39.003
0.426372, 42.022
0.4181, 55.067
0.414016, 70.828
0.409979, 87.765
**
**
*BOUNDARY
SLEEVE_NSET, 1, 1
SLEEVE_NSET, 2, 2
SLEEVE_NSET, 3, 3
**
**
*INITIAL CONDITIONS, TYPE=STRESS
*INCLUDE, INPUT=initialstress.inp
**
**
** -----------------------------------------------------
*STEP, NAME=DISPLACEMENTS
*STATIC
.01,.01,,
**
**
*OUTPUT, FIELD
*ELEMENT OUTPUT
S
**
*OUTPUT, HISTORY
*ELEMENT OUTPUT, ELSET=RIB_ELSET
MISES
**
**
*END STEP
** -----------------------------------------------------
*STEP, NAME=RELAX1
*VISCO
.05, 1, ,
**
**
*OUTPUT, FIELD
*ELEMENT OUTPUT
S
**
*OUTPUT, HISTORY
*ELEMENT OUTPUT, ELSET=RIB_ELSET
MISES
**
**
*EL PRINT, ELSET=RIB_ELSET, SUMMARY=NO, TOTALS=NO
MISES
**
**
*END STEP
