I-Section

@I_SECTION_DEFINITION {
@I_SECTION_NAME {IsecName} {
@OPTION_DEFINITION {o1, o2}
@DIMENSIONS {
@DIMENSION_01 {hw}
@DIMENSION_02 {twR}
@DIMENSION_03 {wTR}
@DIMENSION_04 {wBR}
@DIMENSION_05 {twL}
@DIMENSION_06 {wTL}
@DIMENSION_07 {wBL}
@DIMENSION_08 {αT}
@DIMENSION_09 {αB}
@DIMENSION_10 {tTR}
@DIMENSION_11 {tBR}
@DIMENSION_12 {α}
@DIMENSION_13 {β}
}
@MATERIALS {
@MATERIAL_01 {Mat1}
@MATERIAL_02 {Mat2}
@MATERIAL_03 {Mat3}
@MATERIAL_04 {Mat4}
}
@IS_DEFINED_IN_FRAME {FrameName}
@MESH_DENSITY {md}
@COMMENTS {CommentText}
}
}

Notes

The I-Section: base configuration

Figure 1. The base configuration for the I-Section.
Component Dimension Symbol Default Nb.
I-Section height hw required 01
WebRight thickness twR required 02
FlangeTopRight width wTR required 03
FlangeBotRight width wBR wTR 04
WebLeft thickness twL twR 05
FlangeTopLeft width wTL wTR 06
FlangeBotLeft width wBL wTR 07
FlangeTop skew angle αT 08
FlangeBot skew angle αB 09
Table 1. Dimensions defining the geometry of the I-Section.
Figure 2. The I-Section: the top flange.
Figure 3. The I-Section: the bottom flange.

The I-Section: option 1

Component Dimension Symbol Default Nb.
FlangeTopReinf thickness tTR twR 10
Table 2. Dimensions defining the reinforcement of the top flange.
Figure 4. The I-Section: option 1.

The I-Section: option 2

Component Dimension Symbol Default Nb.
FlangeBotReinf thickness tBR twR 11
Table 3. Dimensions defining the reinforcement of the bottom flange.
Figure 5. The I-Section: option 2.