Nonlinear Finite Element Analysis of Concrete Structures

- 1-74 -
= Young's modulus, see fig. 2.2-4 and eq. (2.2-6);
= secant value of Young's modulus at uniaxial
compressive failure;
= effective E-modulus, eq. (2.3-3);
= secant value of Young's modulus at triaxial
compressive failure, eq. (2.2-5);
= initial Young's modulus;
= Young's modulus, see fig. 2.2-4 and eq. (2.2-6);
= Young's modulus, see fig. 2.2-4 and eq. (2.2-6);
= secant value of Young's modulus, eq. (2.2-4);
= force;
= body force vector, eqs. (4.1-19) and (4.1-21);
= discrete point force vector, eqs. (4.1-19) and
(4.1-22);
= traction force vector, eqs. (4.1-19) and
(4.1-23);
= force vector due to initial strain, eqs. (4.1-19)
and (4.1-24);
= force vector due to initial stress, eqs. (4.1-19)
and (4.1-25) ;
= total force vector, eq. (4.6-8);
= body force vector, section 4.2.1;
= discrete force vector, section 4.2.1;
= traction force vector, section 4.2.1;
= force vector due to initial strains, section
4.2.1;
= force vector for a bar element due to initial
strains, eqs. (4.3-16);
= force vector due to initial strains in reinforcement.
This vector relates to the nodal
points of the triangular element in question,
see eqs. (4.3-19) and (4.2-22^;