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


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

The "Form-Finding" tab only becomes visible in the program when you activate the RF-FORM-FINDING module in the General Data for the surfaces with these types of stiffness:

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


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