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Cross Section Properties
Calculates the properties of arbitrary cross sections which are given by their outlines.
Inputs
| Name | ID | Description | Type |
|---|---|---|---|
| Polylines | P | Outlines of the cross section [cm]. They need to lie in the YZ-plane and are assumed to be closed. When counterclockwise with respect to the X-axis they enclose the cross section otherwise an interior hole. | Curve |
Outputs
| Name | ID | Description | Type |
|---|---|---|---|
| Area [cm2] | A | Cross section area [cm2]. | Number |
| Center of gravity | C | Position of the center of gravity. | Point |
| Iyy [cm4] | Iyy | Moment of inertia [cm4] about the local Y-Axis. | Number |
| Izz [cm4] | Izz | Moment of inertia [cm4] about the local Z-Axis. | Number |
| Iyz [cm4] | Iyz | Moment of inertia [cm4] about the local Y- and Z-Axis. | Number |
| alpha [rad] | alpha | Angle of inclination of principal axes [rad] with respect to local Y- and Z-Axis. | Number |
| Wely+ [cm3] | Wely+ | Resistance moment [cm3] about the principal Y-Axis for extreme point on the positive principal Z-axis. | Number |
| Wely- [cm3] | Wely- | Resistance moment [cm3] about the principal Y-Axis for extreme point on the negative principal Z-axis. | Number |
| Wply [cm3] | Wply | Plastic resistance moment [cm3] about the principal Y-Axis. | Number |
| Welz+ [cm3] | Welz+ | Resistance moment [cm3] about the principal Z-Axis for extreme point on the positive principal Y-axis. | Number |
| Welz- [cm3] | Welz- | Resistance moment [cm3] about the principal Z-Axis for extreme point on the negative local Y-axis. | Number |
| Wplz [cm3] | Wplz | Plastic resistance moment [cm3] about the principal Z-Axis. | Number |
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