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How is the automatic formation of c / t parts carried out?

Answer

In the "C / t Parts and Effective Cross-Section" tab of the "Calculation Parameters" dialog box, you can define settings for the automatic formation of c / t parts.
You can specify the angle above which a support is to be created between two elements. When elements are connected at a smaller angle, they are considered as a contiguous c / t-part. Stiffeners (longitudinal ribs, folds (lips), or bulges, etc.) are not recognized by the program during the automatic generation of the c / t parts. The c / t parts have to be adjusted manually. The changes can be made in Table "1.7 Cross-Section Parts for Classification" or in the "Edit c / t Part" dialog box.
The text box of the Element is "significant" controls whether a curved element is considered as a c / t-Part. If the length of the arc is larger than the diameter you specify here, it may be
can not be neglected. A corresponding error message appears before the calculation.
The Element option "even" refers to curved elements. Arcs are normally excluded from the determination of the effective widths because the standards do not provide clear specifications. A curved element is assumed to be straight if the ratio of connecting line (start / end node) to element length is higher than the specified value.

Keywords

c/t-Part B / t part

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Cross-Sections Thin-Walled
SHAPE-THIN 8.xx

Cross-Section Properties Software

Section properties, stress analysis, and plastic design of open and closed thin-walled cross-sections

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