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Form-finding for a pre-stressed membrane catenoid

Author: Klaus B. Sautter

Kratos version: 7.0

Source files: Membrane Catenoid

Case Specification

An isotropic pre-stressed catenoid with membrane elements is used to perform form-finding using KRATOS (StructuralMechanicsApplication).

System of the catenoid [1]

The radius of the initial cylindric geoemtry is 10.00[m] and the height is varied from 12.00[m] to 14.00[m]. Both results are presented in the following.

While the 12.00[m] high cylinder results in a catenoid, Alt Text

the result of the 14.00[m] high cylinder is described by two plane surfaces (minimal area). Alt Text