Civil Engineering Reference
In-Depth Information
Two additional data values required are
pcg tol
set to 0.0001, and
pcg limit
set to
500. The output shown in Figure 6.50 is essentially identical to that shown in Figure 6.46
obtained using the direct solver.
Glossary of variable names used in Chapter 6
Scalar integers:
cg iters
conjugate gradient iteration counter
cg limit
conjugate gradient iteration ceiling
cg tot
keeps running total of
cg iters
fixed freedoms
number of fixed displacements
i
simple counter
simple counter
iel
sets 3D slope boundary conditions
ifix
number of load increments
incs
counts plastic iterations
iters
counts load increments
iy
iwp
SELECTED REAL KIND(15)
node number
k
limit
plastic iteration ceiling
loaded
nodes
number of loaded nodes
number of dimensions
ndim
ndof
number of degrees of freedom per element
nels
number of elements
neq
number of degrees of freedom in the mesh
nip
number of integrating points per element
number of nodes is the mesh
nn
number of nodes per element
nod
number of degrees of freedom per node
nodof
number of material properties
nprops
number of different property types
np types
number of restrained nodes
nr
number of trial strength reduction factors
nsrf
number of stress (strain) terms
nst
number of columns of elements in
x
-direction
nxe
number of columns of elements in embankment
nx1
number of columns of elements to right of toe
nx2
number of rows of elements in
y
-direction
nye
number of rows of elements in embankment
ny1
number of rows of elements in foundation
ny2
number of slices of elements in
z
-direction
nze
Scalar reals:
alpha
α
from (3.22)
beta
β
from (3.22)
bot
holds several dot products
c
cohesion
