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Frequently Asked Questions (FAQ)
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AnswerPlease decrease the maximum distance between the node and the line in the FE network settings. Even with a setting of 0.001 m corresponding to the image, a smaller value can be entered. If the decimal places are adjusted via the corresponding settings, the value is also displayed completely.
AnswerIn the case of quadrangle surfaces, the automatic object detection is deactivated. However, you can still integrate openings and other objects. For this, open the "Edit Surface" dialog box, "Integrated" tab. Click the "Integrate All Objects" button to display all nodes, lines, and openings that can be integrated. You can also select the objects manually.
AnswerWith the new member type "Result Beam" it is possible to greatly simplify the results evaluation of deep beams. This virtual member has no stiffness and is used to integrate the internal forces of members, surfaces and solids in order to show them as member internal forces.
By defining a cross-section you can use the result beam also for a design in add-on modules like RF-STEEL EC3 or RF-CONCRETE Members.
As an example, the graphic shows the determined reinforcement of window and door lintels and a split-level ceiling.
In the model, the lines and nodes lying in the plane are not integrated in the surface in the surface properties. Also when selecting the surface using "Select → Related Objects," the border lines are only selected, not the lines within the surface.
In the case of the "Select in Plane" command with "Definition of Plane via 3 Nodes," the lines are displayed as integrated in the surface, but not after creating the FE mesh. I have set the tolerances for regenerating the model as necessary.
Objects like lines and nodes are automatically integrated in a surface by default, as soon as these objects have a static function (for example, supports, load reference). Objects that are not statically relevant are not automatically integrated in the surface.
The reason is as follows: the results are not averaged at integrated lines, thus often leading to a jump in the color distribution of the results values. At statically relevant lines, this is also correct. Many integrated lines, however, are so-called construction lines, and are particularly imported when importing a DFX file.
If you select the "Integrate unutilized objects in the surface" check box in the FE Mesh Settings dialog box (see Figure), all lines will be integrated in the surface.
This message is shown if an integrated node (a node in a surface) is not located in the surface plane (Figure 01).
To solve this problem, move the node in the surface plane or delete the corresponding nodal number from the list of the objects integrated in the surface (Figure 02).
The member end rests geometrically exactly on the pipe surface, but the automatic integration of structural elements is only possible for plane surfaces. Since the end point of the member was not integrated into the pipe surface, no common FE node is created. For RFEM, the member has no connection to the pipe, thus resulting in a termination of the calculation.
You can manually integrate the member end node into the pipe surface: double-click the pipe surface to open the "Edit Surface" dialog box. In the "Integrated" tab, you can integrate the node as long as the "Automatic object detection" option is deactivated (Figure 01).
Due to the integration, the member is connected to the pipe surface. A common FE node is created and the calculation is performed successfully (Figure 02).
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