T-splines computational membrane–cable structural mechanics with continuity and smoothness: II. Spacecraft parachutes

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Springer Nature

In this second part of a two-part article, we present spacecraft parachute structural mechanics computations with the T-splines computational method introduced in the first part. The method and its implementation, which was also given in the first part, are for computations where structures with different parametric dimensions are connected with continuity and smoothness. The basis functions of the method were derived in the context of connecting structures with 2D and 1D parametric dimensions. In the first part, the 2D structure was referred to as “membrane” and the 1D structure as “cable.” The method and its implementation, however, are certainly applicable also to other 2D–1D cases, and the test computations presented in the first part included shell–cable structures. Similarly, the spacecraft parachute computations presented here are with both the membrane and shell models of the parachute canopy fabric. The computer model used in the computations is for a subscale, wind-tunnel version of the Disk–Gap–Band parachute. The computations demonstrate the effectiveness of the method in 2D–1D structural mechanics computation of spacecraft parachutes.

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Terahara, Takuya, Takizawa, Kenji, Avsar, Reha, et al.. "T-splines computational membrane–cable structural mechanics with continuity and smoothness: II. Spacecraft parachutes." Computational Mechanics, 71, (2023) Springer Nature: 677-686. https://doi.org/10.1007/s00466-022-02265-9.

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