The RF-FORM-FINDING add‑on module searches for shapes of structures subjected to tension or stress, such as membrane and cable structures, shells, and other structures.
The shape is calculated by the equilibrium between the surface stress (prestress) and natural or geometric boundary conditions.
RF-CUTTING-PATTERN calculates and organizes the cutting pattern for membrane structures.
The planarization process is carried out in compliance with the minimum energy theory.
A unique roof structure was built for the main bus station in Aarau, Switzerland in 2013.
The canopy has a cloud-like shape and contains the largest single‑chamber cushion in the world. The ETFE cushion has a volume of 63,919.55 ft³ and covers an area of 11,517.38 ft².
Allianz Arena is a soccer stadium in Munich, Germany, which hosted the opening match of the 2006 FIFA World Cup.
The translucent exterior facade of the stadium emits light in various colors and thus makes the whole arena building very special.
The Eden Project is a complex of two biomes and outdoor gardens with plants from many diverse climates and environments.
The biome is a steel frame structure with cladding panels consisting of triple-layered membrane cushions made of ETFE foil.
A giant wooden airship “suspended” above the Centre for Contemporary Art in Prague, Czech Republic, has been opened to the public in December 2016.
The unique timber and steel airship structure “Gulliver” will serve as a space for literature events.
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This doctoral thesis by Rostislav Lang deals with the design and analysis of membrane structures using FEA software.
In RFEM, there is an option to couple surfaces with the stiffness types "Membrane" and "Membrane Orthotropic" with the material models "Isotropic Nonlinear Elastic 2D/3D" and "Isotropic Plastic 2D/3D" (RF-MAT NL add-on module required).
This functionality enables the simulation of the nonlinear strain behavior of, for example, ETFE foils.
Add-on Module
Form-finding of tensile membrane and cable structures
Add-on Module
Generation of cutting patterns for tensile membrane structures
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