This part contains segments with parameters of buckling. It is an optional part of XML file. Every segment is marked by the element <buckling>. This element supports following attributes:
type | - The direction of considered buckling. Available values: "y" (buckling Y), "z" (buckling Z)
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start | - The beginning of a segment with web stiffeners. If not defined, the member beginning is considered
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end | - The end of a segment with web stiffeners. If not defined, the member end is considered
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length | - The fundamental length for the buckling analysis. If not defined, the segment length is considered
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support | - The end conditions of the member. Available values: "jj" (joint-joint), "jf" (joint-fixed), "ff" (fixed-fixed), "f" (cantilever), "fp" (fixed-fixed with shift), "user" (user-defined buckling length, the attribute "beta" - buckling length factor)
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use | - The setting which switches on or off the consideration of buckling. Available values: "true" (buckling considered), "false" (buckling not considered). If not defined, the value "true" is used, "braced" (braced structure), "unbraced" (unbraced structure).
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