We provide hints and tips to help you get started with the basic program RFEM.
FAQ 004711 | Is it possible to couple members with solid elements?
Video
First Steps with RFEM
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
Links
Write Comment...
Write Comment...
Contact us
Do you have any questions about our products or need advice on selecting the products needed for your projects?
Contact us via our free e-mail, chat, or forum support or find various suggested solutions and useful tips on our FAQ page.
New
Saving Parameterized Model as Block
The parameterized input provides the engineer with an efficiency -increasing tool.
![Vertical Soil Stress under Corner Point of Uniform Rectangle Load [2]](/-/media/Images/website/img/000001-010000/009601-009700/009675.png?la=en-US&mlid=AEBCAC28C25A4A2F93F419D5DA4345C3&hash=FCBCB6855E60021AD52D69E883CC664E5B66672B)
![Vertical Soil Stress According to Boussinesq [2]](/-/media/Images/website/img/000001-010000/009601-009700/009674.png?la=en-US&mlid=6A2CE5FBD4C1471CB9163F4CD95C1105&hash=80B938B2DF3D3FDF7E1E5C66B3E5FB6EBF289AB7)
![Distribution of Forces and Moments in Column Base According to [1]](/-/media/Images/website/img/000001-010000/009601-009700/009638.png?la=en-US&mlid=7D34CEAAE7354583A29169095622B515&hash=1C29D4703C59F464778B8861B097C4BCC2E2CBC1)
New
Increased Calculation Performance by Reducing the Nodal Degrees of Freedom
The number of degrees of freedom in a node is no longer a global calculation parameter in RFEM (6 degrees of freedom for each mesh node in 3D models, 7 degrees of freedom for the warping torsion analysis). Thus, each node is generally considered with a different number of degrees of freedom, which leads to a variable number of equations in the calculation.
This modification speeds up the calculation, especially for models where a significant reduction of the system could be achieved (e.g. trusses and membrane structures).
- How can I use the COM interface to B. delete all nodes or members in a model?
- Why does the vertical position of a result member in my model have no influence on the bending moment My of the member?
- Is it possible to keep the results from RWIND Simulation when deleting the FE mesh if I only adjust materials or support conditions?
- How do I model a tent roof with two cone tips?
- How can I change the colors of the selection and preselection?
- How are the signs for the release results of a line release and line hinges interpreted?
- How can I create a curved or arched section?
- After the calculation in the RF‑/DYNAM Pro - Equivalent Loads add-on module, the size of my file has increased significantly. The performance has worsened enormously. What could be the reason for this?
- Is it possible to make the generated member loads from area loads via plane to act eccentrically on the member cross-section?
- Why are my imperfections displayed graphically in different ways and can I adjust the display?
