Boundary along Profile
- Last UpdatedDec 04, 2025
- 2 minute read
In a boundary of this type, the boundary curve(s) will be derived along the edge of a given profile. In the case of a flange, the result will be two curves. The curve can be displaced parallel to the edge.
Boundary along edge of profile:
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<along_profile>::= ALONG, |
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[,<panel_displacem>] |
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<shell_prof_ref>/ |
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<xyz-line> |
defines a plane parallel to a principle plane. It is used to select the profile part to be used and is compulsory for shell profiles and optional if a stiffener tag reference is not otherwise unique. |
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<xyz-line>::= X|Y|Z = <coord> |
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<adj_pan>::= <name> |
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<panel_displacem> |
see above. |
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A positive value means overlap, a negative value a gap. |
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Remarks:
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The resulting trace will be extended 500 mm outside the profile trace at both ends for shell profiles, otherwise 1000 mm.
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If given as a boundary number 1, the local coordinate system of the panel may be defined by the boundary.
It is selected in the following way:
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the origin is on the profile trace.
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the u-axis is in the intersection between the plane of the profile and a principal plane. For shell profiles, the principle plane is defined by the selecting line.
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the w-axis is oriented as is "natural", that means, pointing in the direction of the negative y-axis depending on its largest component in the xyz-system.
Since, in such a case, the user has little control of the local coordinate system, it is recommended to use xyz-coordinates in the rest of the panel.
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Examples:
... / ALONG, L470, X=FR117, COR=50 / ...
... / ALONG, 'ADJ-PAN', SL15, X=FR75 / ...