B.1.2 Steel

Via the Steel concept you may specify predefined steel classes [§10.2]. Via subconcepts you may specify the code, the class and other topics.

B.1.2.1 Dutch Code

The NEN 6770 concept indicates steel according to the Dutch code [§10.2.1]. You must choose a class S n and a Thickness range [Table 10.3]. Depending on the specified concepts for elastic or plastic behavior iDIANA shows the predefined values for the various properties.

Linear				§10.2.1.1
Young's modulus	E	YOUNG	e	§4.1.1
Poisson's ratio	$\nu$	POISON	nu	§4.1.1
Mass density	$\rho$	DENSIT	rho	§3.1.1
Thermal expansion coefficient	$\alpha$	THERMX	alpha	§4.1.1

Nonlinear
Young's modulus	E	YOUNG	e	§4.1.1
Poisson's ratio	$\nu$	POISON	nu	§4.1.1
Mass density	$\rho$	DENSIT	rho	§3.1.1
Thermal expansion coefficient	$\alpha$	THERMX	alpha	§4.1.1

Ideal plasticity				§10.2.1.2
Yield stress	$\sigma_{{\mathrm{y}}}^{}$	YLDVAL	sy	§5.1.1

Hardening plasticity				§10.2.1.3
Yield stress	$\sigma_{{\mathrm{y}}}^{}$	YLDVAL	sy	§5.1.1
1st term in hardening diagram	$\sigma_{{\mathrm{y}(1)}}^{}$	HARDIA	sy1	§5.1.1
2nd term in hardening diagram	$\kappa_{{(1)}}^{}$	HARDIA	k1	§5.1.1
3rd term in hardening diagram	$\sigma_{{\mathrm{y}(2)}}^{}$	HARDIA	sy2	§5.1.1
4th term in hardening diagram	$\kappa_{{(2)}}^{}$	HARDIA	k2	§5.1.1
5th term in hardening diagram	$\sigma_{{\mathrm{y}(3)}}^{}$	HARDIA	sy3	§5.1.1
6th term in hardening diagram	$\kappa_{{(3)}}^{}$	HARDIA	k3	§5.1.1