Patterner - tools to work with 3d surface meshe

[legarleon]

Patterner for Windows is a powerful collection of tools to work with 3d surface meshes. It will allow you to design and produce production drawings of 3d surfaces.

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Software used for the design, analysis and manufacture of pre-tensioned fabric structures.

Patterner for Windows ® - Bruno Postle

Patterner is one of the few software packages in the world to provide the tools to create membrane structures. Developed in house at Rudi Enos Design by Bruno Postle, it is considered to be 'state of the art' for visualisation and patterning. All the production patterns for many different projects have been created with 'Patterner'. See www.patterner.co.uk

Tech-net 'EASY' membrane force and cable analysis software.

EASY analysis tools provide the most effective method of assessing the forces in the structures membrane, it's cables and the reaction loads on the supporting steelwork. With the ability to define and model precisely the ultimate tensile strength and stiffness of the membrane and reinforcement materials, and then to determine maximum loads, deflections and reaction loads from the dynamic membrane, every condition can be simulated and shown.

Fabric structures possess significant structural and architectural advantages over conventional structures. However, fabric structures also present a unique set of design challenges. The shapes of membrane structures cannot be chosen at random. The absence of bending resistance's requires designers to work within the constraints of feasible membrane equilibrium shapes. These shapes are usually complex, doubly curved surfaces which must be pretensioned in such a way to resist applied loading such as wind and snow. A tensile membrane structure is prestressed and stabilised by the counteracting tensions of opposing curvatures of an anticlastic surface (two-directional curvature of opposite sign, as a saddle surface). Where flat profile sheet design is envisaged, the initial prestress is significantly higher due to the need to prevent movement. Special non-linear techniques are necessary for the structural analysis of tension structures, since membranes undergo shape changes under varying load conditions and fabric materials exhibit complex stress-strain response. Computer-based finite element techniques such as EASY are used to solve these non-linear problems.

Many other software tools are used for projects, which include Finite Element Analysis, etc.



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