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A membrane is stretched using isotropic prestress between two radii of two concentric cylinders not lying in a plane parallel to the vertical axis. Find the final minimal shape of the membrane - the so-called helicoid, and determine the surface area of the resulting membrane. The add-on module RF-FORM-FINDING is used for this purpose. Elastic deformations are neglected both in RF-FORM-FINDING and in analytical solution, also self-weight is neglected in this example.
Verification Example 000208 | 1
| Number of Nodes | 32 |
| Number of Lines | 15 |
| Number of Surfaces | 3 |
| Number of Load Cases | 1 |
| Total Weight | 0.001 tons |
| Dimensions (Metric) | 1.472 x 1.474 x 0.729 m |
| Dimensions (Imperial) | 4.83 x 4.84 x 2.39 feet |
| Program Version | 5.18.00 |
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