Civil Engineering Reference
In-Depth Information
dpore
holds the accumulated pore pressure
plastic potential derivative,
∂Q/∂σ
m
dq1
plastic potential derivative,
∂Q/∂J
2
dq2
plastic potential derivative,
∂Q/∂J
3
dq3
invariant,
σ
dsbar
critical viscoplastic time step
dt
calculation time step
dtim
set to 4
.
0
d4
set to 180
.
0
d180
Young's Modulus
e
measureoferrorinBiCGStab
error
yield function
f
local variable
gama
BiCGStab parameter; taken as zero in this example
kappa
Lode angle,
θ
load theta
residual norm
norm r
local variable
omega
set to 1
.
0
one
10
20
set to 1
×
penalty
friction angle (degrees)
phi
set to
π
pi
dilation angle (degrees)
psi
set to 0
.
5
pt5
fluid density
rho
local variable
rho1
initial residual norm
r0 norm
mean stress,
σ
m
sigm
sin of
phi
snph
starting value of
dt
start dt
theta
time integration weighting parameter
time
holds time elapsed
t
tol
convergence tolerance
accumulated load at time
t
tot load
average
x
-velocity
ubar
T
holds dot product
{
R
}
k
{
R
}
k
from (3.22)
up
Poisson's ratio
v
initialisation value
x0
vbar
average
y
-velocity
visc
molecular viscosity
set to 0
.
0
zero
Character variables:
element
element type
Scalar logicals:
converged
set to
.TRUE.
if solution converged
cg converged
set to
.TRUE
if BiCGStab has converged
