# SECTION

Bulk Data Entry Defines a specific face of a cross-section of the model.

The section is determined through a set of Grid points and the face is specified by a set of elements. The face is interpreted as the side of the Grid point set not containing the specified elements.

## Format

(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
SECTION SID LABEL GSID ESID RSID CID GID STYPE

## Definitions

Field Contents SI Unit Example
SID Set identification number of the section.

No default (Integer)

LABEL The section name associated with the defined section.

No default (Character string)

GSID Set identification number of a SET of GRID points that defines the geometry of the section. 2

No default (Integer > 0)

ESID Set identification number of a SET of elements (TYPE=ELEM) that defines the face of the section. 2

No default (Integer > 0)

RSID Set identification number of a SET of rigid elements (TYPE=RIGID) that defines the face of the section. 2

No default (Integer > 0)

CID Coordinate system identification number of the coordinate system into which the forces and moments are resolved. 7
LOCAL (Default)
Indicates that a LOCAL coordinate system will be established automatically for the section chosen and use it for the output. The X-axis is normal to the section and the Y-axis comes from the projection of the basic Y-axis onto the section (for special case handling, see Comment 9).

(LOCAL or Integer ≥ 0)

GID Grid point identification number of the grid about which the moments are calculated.
CENT
Indicates that the coordinate system is shifted to the centroid of the section.
PRIN
Indicates that the coordinate system should also be rotated to the principal axes.
ORIGIN
Indicates that the reference point is the original of coordinate system of section (CID).
Integer > 0
Grid point identification number about which the moments are calculated.

Default = <Geometric Centroid of the Section>

STYPE Identifies the type of section that is generated using this entry.
RESULT
Defines a face of the cross-section on which the forces/moments are calculated as a response in analysis and optimization runs (RESFORCE response). 1
FLOW
Defines a face of the cross-section which is used for Power flow and Mechanical intensity calculations. 1
PROP
Indicates that this section is only to be used for Section property analysis and optimization via RTYPE=SECTION on DRESP1.
blank (Default)