FAQ 004628 | I get Warning No. 465: "Line [No.] is simultaneously used as a boundary line of a surface and an opening." Do I have to adjust anything?

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First Steps with RFEM

First steps

We provide hints and tips to help you get started with the basic program RFEM.

08/14/2020

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Stefan Hoffmann

RFEM

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Question

I get Warning No. 465: "Line [No.] is simultaneously used as a boundary line of a surface and an opening." Do I have to adjust anything?

Answer

Openings are used to create cutouts into surfaces. In areas where openings are placed, no finite elements are generated nor are surface loads applied. Openings on the edge of a surface are allowed as well.

The boundary lines of a surface must form a closed continuous line. In our example, the warning message only appears for Surface 1, but not for Surface 2. Surface 1 is defined by three boundary lines on one edge, but Surface 2 not.

Figure 02 - Surfaces with Opening - Boundary Lines

A comparison of the results shows that you can model your surfaces with openings in all three cases.

Figure 01 - Surfaces with Opening - Results

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Dlubal FAQ Warning 465 Opening 465 Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal

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  • Updated 02/26/2021

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