FAQ 004596 | When calculating a buckling panel, I get a message saying that some elements are connected to the panel, but they are not defined as stiffeners. What should I do?

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Question

When calculating a buckling panel, I get a message saying that some elements are connected to the panel, but they are not defined as stiffeners. What should I do?

Answer

If the stiffeners resting in the panel are not defined explicitly as stiffeners, the message shown in Figure 01 appears.

Figure 01 - Error Message "Some elements are connected to the panel, but they are not defined as stiffeners."

The stiffeners are defined in Table "1.8 Stiffeners" or in the "New Stiffener" dialog box (Figure 02). Specify the elements belonging to the stiffener. In the case of angles, trapezoidal stiffeners, and so on, the stiffener is represented by several elements. If the stiffener represents a cross-section from the cross-section library, it must be divided into the elements first.

Figure 02 - Entering Stiffeners in Dialog Box and Table

The panel shown in Figure 03 includes Elements 1 to 3. Elements 8, 9, and Elements 10, 11 are connected to the panel. However, they are not defined as stiffeners so the message shown in Figure 01 is displayed. It is necessary to define Elements 8, 9, and Elements 10, 11 as stiffeners in Table "1.8 Stiffeners" or in the "New Stiffener" dialog box (Figure 04).

Figure 03 - Panel

Figure 04 - Stiffeners

Keywords

Dlubal FAQ Longitudinally stiffened Longitudinal stiffener Stiffener Panel Sheet metal panel Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal

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  • Updated 08/28/2020

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