The structural analysis software RFEM 6 is the basis of a modular software system. The main program RFEM 6 is used to define structures, materials, and loads of planar and spatial structural systems consisting of plates, walls, shells, and members. The program also allows you to create combined structures as well as to model solid and contact elements.
RSTAB 9 is a powerful analysis and design software for 3D beam, frame, or truss structure calculations, reflecting the current state of the art and helping structural engineers meet requirements in modern civil engineering.
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The fastest way to create a contact solid between two surfaces is to first copy the original surface by using the Step Links option.
In the new Step Links tab, select the "Link surfaces with solid" option.Select the template for this solid to be a standard Solid Type.
After copying and creating the new elements, select the Solid type to be a Contact. In the new tab, define the Contact Solid Type (for example, Full force transmission). Additionally, you will be able to select a pair of surfaces to have this contact. A list of available surfaces is generated automatically.
After defining the Contact Solid, it’s possible to change the side Surfaces to the type Without Thickness.
In this case, please pay attention to the correct assignment of the corresponding surface; see the image.
Instead of guidelines, you can use line grids that can be created in 3D.
There is one way you can implement your project to achieve this result. Our existing structure is deformed without a false ceiling as follows.
We use the existing structure and the drag & drop function as well as copying the elements while holding down the Ctrl key for quick modeling. It is important to ensure that the existing pinned connections are displayed correctly. In this example, only one workflow is to be displayed so that the connections between columns and slabs are modeled rigidly. The bottom columns are modeled as nodal supports using the Column in Z ... function.
The false ceiling should not transfer any loads to the existing continuous columns.
To compare both models, you can evaluate the results using two substructures modeled in a file.
A load that was accidentally applied in the wrong load case can be copied from one load case to another using the table with the area "3. Loads".
In the table, select the type of load that you want to transfer from one load case to another. In the subsequent graphic, these are the "member loads", for example. Then, select and right-click the row describing this load. A shortcut menu appears where you can select "Copy". As an alternative, you can use the keyboard shortcut "Ctrl + C" directly after selecting the row.
After copying the row to the clipboard, you can switch to the "Target load case" in the table area and paste the entry from the clipboard using "Ctrl + V".
Please note: This procedure is not possible for the generated loads.
To copy with loads, proceed as follows: