How do I activate form-finding of a membrane surface?


The form-finding with prestress can be activated in the surface properties under the "Edit Surface Stiffness" option in the "Form-Finding" tab.

The "Form-Finding" tab is only visible in the program if you activate the RF‑FORM‑FINDING add-on module in General Data for the surfaces with the following stiffness types:

  1. Standard
  2. Orthotropic
  3. Membrane
  4. Membrane - Orthotropic
Generally, the program automatically activates the form-finding with the standard prestress for the surfaces with the stiffness type Membrane and Membrane - Orthotropic.


Form-finding Membrane 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

Add-on Module

Form-finding of tensile membrane and cable structures

Price of First License
1,750.00 USD