1. Discretization#

1.1. Degrees of freedom#

The degrees of freedom are, at each node of the support mesh, the six displacement components (three translations and three rotations) plus one component (GRX) relating to the warping of the section with respect to the neutral fiber (cf. [R3.08.03]).

Finished element

Degrees of freedom (at each vertex node)

POU_D_TG

DX

DY

DZ

DRX

DRY

DRZ

GRX

1.2. Stiffness matrix support mesh#

Finite element support meshes, in displacement formulation, are segments with two nodes SEG2:

Modeling

Mesh

Finished Element

Remarks

POU_D_TG

SEG2

MECA_POU_D_TG

POU_D_TGM

SEG2

MECA_POU_D_TGM