Manual for LS-DYNA Soil Material Model 147
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APPENDIX B. EXAMPLES OF INPUT
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*KEYWORD
*TITLE
TRIAXIAL COMPRESS @ 3.4MPa for FHWA soil model
$
$ Check out/debug model with research plan changes
$ Look at effects of changing Ksk and pwd2
$ Look at effects of changing moisture content with Ksk and pwd2 fixed
$ Use Nebraska soil parameters
$
$ Last Modified: March 27, 2002 by Brett Lewis
$
$ Units: kg, mm, msecs
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Control Output
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*CONTROL_TERMINATION
$ endtim endcyc dtmin endneg endmas
100.00
$
*CONTROL_TIMESTEP
$ dtinit scft isdo tslimt dtms lctm erode ms1st
3
*DEFINE_CURVE
$ lcid sidr scla sclo offa offo
3
$ abscissa ordinate
0.000 1.54E-04
10.0000 1.54E-04
50.000 1.54E-03
1000000. 1.54E-03
$
*CONTROL_ENERGY
$ hgen rwen slnten rylen
2 1
$
*CONTROL_OUTPUT
$ npopt neecho nrefup iaccop opifs ipnint ikedit
0 3
$
$
*DATABASE_BINARY_D3PLOT
$ dt lcdt
0.5000
$ 1.0000
$
*DATABASE_EXTENT_BINARY
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|
$ neiph neips maxint strflg sigflg epsflg rltflg engflg $ cmpflg ieverp beamip
0
$
*DATABASE_BINARY_D3THDT
$ dt lcdt
999999
$
*DATABASE_GLSTAT
$ dtf
.500000
$
*DATABASE_MATSUM
$ dt
.500000
$
$
$
$
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Define Parts and Materials
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$ Part 1 solid: SINGLE ELEMENT
$
*PART
$ pid sid mid eosid hgid adpopt
cube - Material 147 HRCL soil
1 1 1
$$$$ materials
$. ..>. ...1. ...>. ...2. ...>. ...3. ..>. ...4. ...>. ...5. ...>. ...6. ...>. ...7. ..>. ...8
*MAT_147
| $ |
mid |
ro |
NPLOT |
SPGRAV |
RHOWAT |
VN |
GAMMAR |
ITERMAX |
| |
1 |
2.350E-6 |
3 |
2.79 |
1.0E-6 |
1.1 |
000. |
10 |
| $ |
K |
G |
PHIMAX |
AHYP |
COH |
ECCEN |
AN |
ET |
| |
.465000 |
.186000 |
1.1 |
1.0E-7 |
1.0E-6 |
0.7 |
0.0 |
10. |
| $ |
MCONT |
PWD1 |
PWKSK |
PWD2 |
PHIRES |
DINT |
VDFM |
DAMLEV |
| |
0.034 |
000.00 |
0.0E-05 |
0.0 |
0.0 |
.00005 |
1.0E-09 |
.80 |
$ EPSMAX
.030
*NODE
$ ...>. ...1. ..>. ...2. ..>. ...3. ..>. ...4. ..>. ...5. ..>. ...6. ...>. ...7. ..>. ...8
| $ node |
x |
y |
z |
tc |
rc |
| 1 |
0.000000E+00 |
0.000000E+00 |
0.000000E+00 |
7 |
7 |
| 2 |
1.0000000000 |
0.000000E+00 |
0.000000E+00 |
3 |
7 |
| 3 |
1.0000000000 |
1.000000E+00 |
0.000000E+00 |
3 |
7 |
| 4 |
0.0000000000 |
1.000000E+00 |
0.000000E+00 |
3 |
7 |
| 5 |
0.0000000000 |
0.000000E+00 |
1.000000E+00 |
0 |
7 |
| 6 |
1.0000000000 |
0.000000E+00 |
1.000000E+00 |
0 |
7 |
| 7 |
1.0000000000 |
1.000000E+00 |
1.000000E+00 |
0 |
7 |
| 8 |
0.0000000000 |
1.000000E+00 |
1.000000E+00 |
0 |
7 |
$$$$ sections
$
|
*SECTION_SOLID
$ sid elform
1 0
$
$$$$$$$$$ elements solid
*ELEMENT_SOLID
$. ..>. ...1. ...>. ...2. ...>. ...3. ..>. ...4. ...>. ...5. ..>. ...6. ...>. ...7. ...>. ...8
| $ |
eid |
pid |
n1 |
n2 |
n3 |
n4 |
n5 |
n6 |
n7 |
n8 |
| |
1 |
1 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
$$$$ Loading - PRESCRIBED_MOTION_RIGID
$
$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
$
*BOUNDARY_PRESCRIBED_MOTION_NODE
| $ nid |
dof |
vad |
lcid |
sf |
vid |
| 5 |
3 |
0 |
1 1.000E+00 |
|
| 6 |
3 |
0 |
1 1.000E+00 |
|
| 7 |
3 |
0 |
1 1.000E+00 |
|
| 8 |
3 |
0 |
1 1.000E+00 |
|
$
*DEFINE_CURVE
$ lcid sidr scla sclo offa offo
1
| $ |
abscissa |
ordinate |
| |
10.0000 |
-4.94E-04 |
| |
25.0000 |
-4.94E-04 |
| |
50.0000 |
-20.00E-04 |
| |
500.00000 |
-40.00E-04 |
$$$$$$$$$$$$$$$$$$$$$$$$$$$
$ PRESSURE LOADING ON SIDES
*LOAD_SEGMENT
| $. .>. ...1. |
...>. ...2. |
...>.. ..3. |
...>.. ..4. |
.>.. ..5. |
..>.. ..6. |
..>. ...7. |
...>. ...8 |
| 2 |
0.0 |
0.0 |
1 |
2 |
6 |
5 |
|
| 2 |
0.0 |
0.0 |
2 |
3 |
7 |
6 |
|
| 2 |
0.0 |
0.0 |
3 |
4 |
8 |
7 |
|
| 2 |
0.0 |
0.0 |
4 |
1 |
5 |
8 |
|
*DEFINE_CURVE
$ lcid sidr scla sclo offa offo
2
| $ |
abscissa
0.000
10.0000
500.00000
|
ordinate
.000000000
.003450000
.003450000
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*END
$$$$ Input for FHWA soil Units mm, kg, msecs
$
*MAT_FHWA_SOIL
| $ |
mid |
ro |
NPLOT |
SPGRAV |
RHOWAT |
Vn |
GAMMAR |
ITERMAX |
| |
1 |
2.350E-6 |
3 |
2.79 |
1.0E-6 |
1.1 |
0000. |
10 |
| $ |
K |
G |
PHIMAX |
AHYP |
COH |
ECCEN |
An |
ET |
| |
.003250 |
.001300 |
1.1 |
1.0E-7 |
6.2E-6 |
0.7 |
0.0 |
0. |
| $ |
MCONT |
PWD1 |
PWKSK |
PWD2 |
PHIRES |
DINT |
VDFM |
DAMLEV |
| |
0.034 |
000.00 |
0.0E-05 |
0.0 |
.001 |
1.0E-5 |
6.0E-08 |
.99000 |
| $ |
EPSPRMAX |
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.8 |
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