Cable net generation of a deployable offset parabolic reflector using quasi-geodesic curves

Article Engineering, Civil

Pseudo-geodesic gridshells

Romain Mesnil et al.

Summary: Elastic gridshells are efficient structures that use a network of straight members deformed into doubly curved shapes to cover large spans with minimal material. Geodesic and asymptotic gridshells have been widely used, but this article introduces the concept of pseudo-geodesic gridshells where planks follow pseudo-geodesic curves. A scaling argument and parametric study demonstrate that pseudo-geodesic gridshells may be twice as structurally efficient as geodesic gridshells.

ENGINEERING STRUCTURES (2023)

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Article Computer Science, Software Engineering

Designing Asymptotic Geodesic Hybrid Gridshells

Eike Schling et al.

Summary: This research focuses on simplifying the fabrication and assembly of freeform shells by controlling the curvature of structural elements during the design phase. It introduces a computational workflow for the design and modification of hybrid asymptotic geodesic webs, which are used to create robust and versatile triangulated grids. The feasibility of this approach is demonstrated through architectural applications such as timber roofs and steel facades.

COMPUTER-AIDED DESIGN (2022)

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Article Engineering, Aerospace

Optimization of the efficiency of large deployable reflectors by measuring the error around the feed

Pietro Davide Maddio et al.

Summary: This paper discusses how to improve the performance of large deployable reflector systems through numerical optimization algorithms to increase the concentration of reflected rays towards the feed direction. The effectiveness of the algorithm is demonstrated through numerical examples and the Monte Carlo method.

ACTA ASTRONAUTICA (2022)

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Article Mechanics