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Soccer Goal
Model
Description
Form-finding of a soccer goal net
Keywords
Soccer goal Goal Soccer Goal net Form-finding NURBS
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Cross-Section Classification According to EN 1999-1-1
The classification of cross-sections should determine the limits of the resistance and rotation capacity by local buckling of the cross-section parts. In EN 1999‑1‑1, 6.1.4.2 (1), four classes are defined.
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Product Features Articles
RF-FORM-FINDING | Input
The form-finding function can be activated in the General Data dialog box, Options tab. Prestresses (or geometrical requirements for members) can be defined in the parameters for surfaces and members. The form‑finding process is performed by calculation of an RF‑FORM‑FINDING case.
Steps of the working sequence:- Creation of a model in RFEM (surfaces, beams, cables, supports, material definition, etc.)
- Setting of required prestress for membranes and force or length/sag for members (e.g. cable)
- Optional consideration of other loads for the form-finding process in special form‑finding load cases (self‑weight, pressure, steel node weight, etc.)
- Setting of loads and load combinations for further structural analyses
Frequently Asked Questions (FAQ)
- How is an inflatable object simulated in RFEM?
- I have already divided my membrane roof into individual surfaces. Can I quickly create a cutting pattern from these surfaces?
- How can I define a material allowance at the edge of a cutting pattern?
- I have modeled a structure made of outer and inner cables as well as membranes, and get a message about instability or the error message "Jacobi matrix is not positive definite" in the RF‑FORM‑FINDING add-on module. What should I do?
- Why does the FE mesh of my conical membrane look like angular after the form-finding?
- How to model a cable net structure in using the RF-FORM-FINDING add-on module?
- I would like to design an aluminum or lightweight structure. Is it possible to use RFEM or RSTAB for this?
- Which Dlubal Software programs are required to calculate membrane and tensile structures?
- I would like to analyze cable and tensile structures. Is it possible to use RFEM or RSTAB for this?
- When calculating a membrane, the resulting deformation of the load case LC1 and the combination CO1 differs, although the combination CO1 only contains CO1 with the factor of 1.00. What is the reason for this?
