Hello everyone,
I am trying to simulate the force vs displacement response when cam clay soil model containing rigid foundation is acted by the concentrated load at the interface of rigid body with the soil. I don't know why i am receiving "time increment error".
Input file
** ASSEMBLY
**
*Assembly, name=Assembly
**
*Instance, name=Part-1-1, part=Part-1
*End Instance
**
*Nset, nset=Set-3, instance=Part-1-1, generate
1, 661, 1
*Elset, elset=Set-3, instance=Part-1-1, generate
1, 200, 1
*Instance, name=Part-1-2, part=Part-1
*End Instance
**
*Nset, nset=Set-3, instance=Part-1-2, generate
1, 661, 1
*Elset, elset=Set-3, instance=Part-1-2, generate
1, 200, 1
*Instance, name=Part-2-1, part=Part-2
8.25, 4., 0.
*End Instance
**
*Nset, nset=Set-1, instance=Part-2-1
2,
*Nset, nset=Set-2, instance=Part-1-2
211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226
227, 228, 229, 230, 231, 622, 625, 627, 629, 631, 633, 635, 637, 639, 641, 643
645, 647, 649, 651, 653, 655, 657, 659, 661
*Elset, elset=Set-2, instance=Part-1-2, generate
181, 200, 1
*Nset, nset=Set-3, instance=Part-1-2, generate
1, 661, 1
*Elset, elset=Set-3, instance=Part-1-2, generate
1, 200, 1
*Nset, nset=Set-4, instance=Part-2-1
12,
*Nset, nset=Set-5, instance=Part-1-2
21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 291, 332, 373, 414, 455
496, 537, 578, 619, 660
*Elset, elset=Set-5, instance=Part-1-2, generate
20, 200, 20
*Nset, nset=Set-6, instance=Part-1-2
1, 22, 43, 64, 85, 106, 127, 148, 169, 190, 211, 235, 295, 336, 377, 418
459, 500, 541, 582, 623
*Elset, elset=Set-6, instance=Part-1-2, generate
1, 181, 20
*Rigid Body, ref node=Part-2-1.Part-2-RefPt_, elset=Part-2-1.Part-2
*End Assembly
*Amplitude, name=Amp-1
0., 1., 10., 1.
**
** MATERIALS
**
*Material, name=Material-1
*Clay Plasticity
0.1174, 1.,15., 1., 1.
*Permeability, specific=0.0361
1, 0.889
*Porous Elastic
0.026, 0.28, 0.
*Initial Conditions, TYPE=RATIO
Set-3, 0.889
*Initial Conditions, type=STRESS, GEOSTATIC
Set-3, -30., 4, -30., -1, 1., 1.
**
** INTERACTION PROPERTIES
**
*Surface Interaction, name=IntProp-1
1.,
*Friction
0.,
**
** BOUNDARY CONDITIONS
**
** Name: BC-1 Type: Displacement/Rotation
*Boundary
Set-2, 1, 1
Set-2, 2, 2
** Name: BC-2 Type: Displacement/Rotation
*Boundary
Set-5, 1, 1
** Name: BC-3 Type: Displacement/Rotation
*Boundary
Set-6, 1, 1
**
*constraint controls, print=yes
** ----------------------------------------------------------------
** ----------------------------------------------------------------
** **
* STEP: Step-1
**
*Step, name=Step-1, nlgeom=YES
*Geostatic, utol=1.
1., 1., 1e-05, 1.
**
** LOADS
**
** Name: Load-1 Type: Concentrated force
*Cload, amplitude=Amp-1
Set-4, 2, -30.
**
** OUTPUT REQUESTS
**
*Restart, write, frequency=0
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*End Step
** STEP: Step-2
**
*Step, name=Step-2
*Static, direct
10.,100.,
**
** OUTPUT REQUESTS
**
*Restart, write, frequency=0
**
** FIELD OUTPUT: F-Output-1
**
*Output, field, variable=PRESELECT
**
** HISTORY OUTPUT: H-Output-1
**
*Output, history, variable=PRESELECT
*End Step
Any help would be highly appreciated......
Regards
Rahul