How are riggings processed in RF‑FORM‑FINDING, concerning the prestress load to be applied. Is it necessary to assign a prestressing force to the riggings?

Answer

For form-finding, it is primarily important to apply the prestress for the membrane and the border cables that are possibly available. It is not necessary to prestress the riggings.

The riggings can be created as a tension member with its initial length (see the figure). Due to the prestressed membrane and the border cables, the load for the rigging results during the calculation.

Keywords

Form-finding Rigging Prestress

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RFEM Main Program
RFEM 5.xx

Main Program

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

Price of First License
3,540.00 USD
RFEM Tensile Membrane Structures
RF-FORM-FINDING 5.xx

Add-on Module

Form-finding of tensile membrane and cable structures

Price of First License
1,750.00 USD