Nonlinear Finite Element Analysis of Concrete Structures

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ob
RZ
RZ
= initial stress vector for a bar element. This
vector is related to local coordinates, eqs.
(4.3-27) to (4.3-29);
= shear stress, eq. (4.2-8); and
= shear stress in local coordinates, section
4.3.1.
Subs scripts
b
c
f
i
o
r
s
t
= bar;
= compressive;
= failure value;
= initial value;
= initial stress or strain;
= reinforcement;
= secant value; and
= tensile.
Supercripts
prescribed;
vector;
matrix;
local coordinate system;
c
e
P
creep;
elastic or element; and
plastic.