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Where are the user-defined cross-sections saved and how is it possible to access them?

Answer

There are two ways to enter the cross-sections to the RFEM/RSTAB that are not included in the cross-section library.

1. Cross-Section Programs SHAPE‑THIN and SHAPE‑MASSIVE

The user-defined cross-sections can be created by means of the cross-section programs SHAPE‑THIN or SHAPE‑MASSIVE. The SHAPE‑THIN or SHAPE‑MASSIVE cross-sections can be imported using the cross-section library. To do this, click the "Import Cross-Section from Program SHAPE-THIN" or "Import Cross-Section from Program SHAPE MASSIVE" in the "New Cross-Section" dialog box (Figure 01). In this dialog box, it is possible to select and import any cross-section. Please note that the cross-sections must be calculated and saved in SHAPE‑THIN or SHAPE‑MASSIVE before importing the cross-section properties. It is only possible to import each cross-section individually.

2. Creating User-Defined Cross-Section in RFEM/RSTAB
If the cross-section properties of the manufacturer are known, they can be created in the cross-section library of RFEM/RSTAB using the option "Create New User-Defined Cross-Section" (Figure 02). In contrast to the cross-sections created with SHAPE‑THIN or SHAPE‑MASSIVE, it is not possible to design these user-defined cross-sections in the add-on modules, such as RF‑/STEEL EC3, because the data necessary for the design, such as c/t-parts, is missing.

To access the user-defined cross-sections, click the "Load Saved User-Defined Cross-Sections" button in the cross-section library (Figure 03).

The user-defined cross-sections from all models are saved in the EigProf.dat file. Even in the case of a version upgrade (for example, from X.19.XXXX to X.20.XXXX), these cross-sections will be imported. The storage location of the user-defined cross-section library can be determined using the program options (Figure 4). It is possible to copy a user-defined profile database already created on one workstation and paste it into the respective directory of the other workstation. The user-defined cross-sections are thus also available on the other workstation without having to import them again.

Keywords

EigProf.dat User-defined cross-section

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RFEM Main Program
RFEM 5.xx

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Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

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The structural engineering software for design of frame, beam and truss structures, performing linear and nonlinear calculations of internal forces, deformations, and support reactions

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