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semi implicit examples #62

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517 changes: 517 additions & 0 deletions contact/examples/3D/semi-implicit/cube.mesh
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61 changes: 61 additions & 0 deletions contact/examples/3D/semi-implicit/quasistatic-adaptive.json
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@@ -0,0 +1,61 @@
{
"geometry": [
{
"mesh": "cube.mesh",
"surface_selection": [
{
"id": 2,
"axis": "+z",
"position": 0.99
}
]
},
{
"mesh": "slab.obj",
"is_obstacle": true
}
],
"materials": {
"type": "NeoHookean",
"E": 10000000.0,
"nu": 0.45,
"rho": 1000
},
"time": {
"tend": 1.0,
"dt": 0.25,
"quasistatic": true
},
"contact": {
"enabled": true,
"dhat": 0.001
},
"boundary_conditions": {
"dirichlet_boundary": [
{
"id": 2,
"value": [
"0",
"0",
"-0.25*t"
]
}
]
},
"solver": {
"contact": {
"barrier_stiffness": "adaptive"
},
"linear": {
"solver": "Eigen::SimplicialLDLT"
}
},
"output": {
"log": {
"level": "debug"
},
"paraview": {
"file_name": "quasistatic-adaptive.pvd"
}
}
}
65 changes: 65 additions & 0 deletions contact/examples/3D/semi-implicit/quasistatic-semi-alhess.json
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{
"geometry": [
{
"mesh": "cube.mesh",
"surface_selection": [
{
"id": 2,
"axis": "+z",
"position": 0.99
}
]
},
{
"mesh": "slab.obj",
"is_obstacle": true
}
],
"materials": {
"type": "NeoHookean",
"E": 10000000.0,
"nu": 0.45,
"rho": 1000
},
"time": {
"tend": 1.0,
"dt": 0.25,
"quasistatic": true
},
"contact": {
"enabled": true,
"dhat": 0.001
},
"boundary_conditions": {
"dirichlet_boundary": [
{
"id": 2,
"value": [
"0",
"0",
"-0.25*t"
]
}
]
},
"solver": {
"contact": {
"barrier_stiffness": "semi_implicit"
},
"linear": {
"solver": "Eigen::SimplicialLDLT"
},
"augmented_lagrangian": {
"strategy": "adaptive_inexact",
"initial_weight": "hessian_scaled"
}
},
"output": {
"log": {
"level": "debug"
},
"paraview": {
"file_name": "quasistatic-semi-alhess.pvd"
}
}
}
62 changes: 62 additions & 0 deletions contact/examples/3D/semi-implicit/quasistatic-semi-friction.json
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{
"geometry": [
{
"mesh": "cube.mesh",
"surface_selection": [
{
"id": 2,
"axis": "+z",
"position": 0.99
}
]
},
{
"mesh": "slab.obj",
"is_obstacle": true
}
],
"materials": {
"type": "NeoHookean",
"E": 10000000.0,
"nu": 0.45,
"rho": 1000
},
"time": {
"tend": 1.0,
"dt": 0.25,
"quasistatic": true
},
"contact": {
"enabled": true,
"dhat": 0.001,
"friction_coefficient": 0.3
},
"boundary_conditions": {
"dirichlet_boundary": [
{
"id": 2,
"value": [
"0",
"0",
"-0.25*t"
]
}
]
},
"solver": {
"contact": {
"barrier_stiffness": "semi_implicit"
},
"linear": {
"solver": "Eigen::SimplicialLDLT"
}
},
"output": {
"log": {
"level": "debug"
},
"paraview": {
"file_name": "quasistatic-semi-friction.pvd"
}
}
}
57 changes: 57 additions & 0 deletions contact/examples/3D/semi-implicit/quasistatic-semi.json
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@@ -0,0 +1,57 @@
{
"geometry": [
{
"mesh": "cube.mesh",
"surface_selection": [
{
"id": 2,
"axis": "+z",
"position": 0.99
}
]
},
{
"mesh": "slab.obj",
"is_obstacle": true
}
],
"materials": {
"type": "NeoHookean",
"E": 1e7,
"nu": 0.45,
"rho": 1000
},
"time": {
"tend": 1.0,
"dt": 0.25,
"quasistatic": true
},
"contact": {
"enabled": true,
"dhat": 1e-3
},
"boundary_conditions": {
"dirichlet_boundary": [
{
"id": 2,
"value": ["0", "0", "-0.25*t"]
}
]
},
"solver": {
"contact": {
"barrier_stiffness": "semi_implicit"
},
"linear": {
"solver": "Eigen::SimplicialLDLT"
}
},
"output": {
"log": {
"level": "debug"
},
"paraview": {
"file_name": "quasistatic-semi.pvd"
}
}
}
6 changes: 6 additions & 0 deletions contact/examples/3D/semi-implicit/slab.obj
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@@ -0,0 +1,6 @@
v -1 -1 -0.02
v 2 -1 -0.02
v 2 2 -0.02
v -1 2 -0.02
f 1 2 3
f 1 3 4
61 changes: 61 additions & 0 deletions contact/examples/3D/semi-implicit/transient-semi.json
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@@ -0,0 +1,61 @@
{
"geometry": [
{
"mesh": "cube.mesh",
"surface_selection": [
{
"id": 2,
"axis": "+z",
"position": 0.99
}
]
},
{
"mesh": "slab.obj",
"is_obstacle": true
}
],
"materials": {
"type": "NeoHookean",
"E": 10000000.0,
"nu": 0.45,
"rho": 1000
},
"time": {
"tend": 1.0,
"dt": 0.25,
"quasistatic": false
},
"contact": {
"enabled": true,
"dhat": 0.001
},
"boundary_conditions": {
"dirichlet_boundary": [
{
"id": 2,
"value": [
"0",
"0",
"-0.25*t"
]
}
]
},
"solver": {
"contact": {
"barrier_stiffness": "semi_implicit"
},
"linear": {
"solver": "Eigen::SimplicialLDLT"
}
},
"output": {
"log": {
"level": "debug"
},
"paraview": {
"file_name": "transient-semi.pvd"
}
}
}
31 changes: 25 additions & 6 deletions old-tolerances/standard/homogenization.json
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,10 @@
},
"geometry": [
{
"mesh": "periodic_x.obj"
"mesh": "periodic_x.obj",
"surface_selection": {
"threshold": 1e-05
}
}
],
"space": {
Expand Down Expand Up @@ -39,9 +42,25 @@
}
},
"boundary_conditions": {
"periodic_boundary": {
"enabled": true,
"linear_displacement_offset": [
"periodic": [
{
"boundary_ids": [
1,
3
]
},
{
"boundary_ids": [
2,
4
]
}
]
},
"constraints": {
"zero_mean": true,
"macro_displacement_gradient": {
"value": [
[
0,
0
Expand All @@ -51,7 +70,7 @@
-0.3
]
],
"fixed_macro_strain": [
"fixed_components": [
3
]
}
Expand All @@ -62,4 +81,4 @@
"E": 1000.0,
"nu": 0.5
}
}
}
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