FAQ 004711 | Is it possible to couple members with solid elements?

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First Steps with RFEM

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

09/10/2020

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Markus Baumgärtel

RFEM

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Question

Is it possible to couple members with solid elements?

Answer

A 1D element (member) cannot be directly integrated into 3D elements of a solid. However, there are the tools that allow for a coupling.

If a slender component (member) is to be connected with a solid component (solid), it is necessary to pay attention to the correct coupling of these elements when modeling.

1. For example, if a column with an end plate is rigidly bolted to a single foundation, this can be done by means of a "cross connection." Thus, the problematic rotational degrees of freedom may be transferred by translational degrees of freedom. The dimensions of the "cross connection" should correspond approximately to the dimensions of the cross‑section.

Figure 01 - Connection Using "Cross Connection"

2. For example, if a member is encased in a single foundation, the solid should be separated in the member plane in order to ensure the connection between the member and the boundary surface and thus the connection with the solid.

Figure 02 - Connection Using Divided Solid

Keywords

Dlubal FAQ Coupling Member solid Integrate Connection member solid Frequently Asked Question FAQ about Dlubal Question and Answer about Dlubal

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  • Updated 12/21/2020

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