| | | | |
Constant
| | |
|---|
| | |
Top
| |
yield stress a
|
Friction
| |
|---|
| |
Box
|
boundary
|
Resolution
|
(σ
y,const)
|
coefficient
|
Heating
|
|---|
|
Tag
|
geometry
|
condition
|
(n
x×n
y×n
z × n
b)
|
[MPa]
|
(μ)
|
mode
|
|---|
|
g
l
o
b
a
l1
|
Cartesian
|
Free-slip
|
2048×1×256
|
21.7
|
0.005
|
Purely internal
|
|
g
l
o
b
a
l2
|
Cartesian
|
Free
|
2048×1×256
|
21.7
|
0.005
|
Purely internal
|
|
g
l
o
b
a
l3
|
Spherical
|
Free-slip
|
128×384×64 × 2
|
190b
|
0.09
|
Internal & bottom c
|
|
g
l
o
b
a
l4
|
Spherical
|
Free
|
128×384×64 × 2
|
190b
|
0.09
|
Internal & bottom c
|
-
aIn addition to a brittle, depth-dependent yield stress (see “Global model” section for more details)
-
bGiven is the surface value that increases with depth according to σ
y,ductile=σ
y,const+Δ
σ
y
·d, where Δ
σ
y
=0.025 and d is the non-dimensional depth ranging from 0 (top) to 1 (bottom)
-
cUsing an isothermal bottom boundary with a non-dimensional temperature of T
bot=1.0
