Rupert
adjEtymology A German name, brought to England by Prince Rupert of the Rhine in the seventeenth century. Doublet of Robert. The geometry sense is also a reference to Prince Rupert, who posed the question of whether a cube could be passed through a hole made in another cube of the same size.
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Geometry, Mathematics, Sciences Having or relating to the property of being able to pass through a copy of itself.
- A concise way to express that a polyhedron is Rupert is to find two orientations Q and Q of that polyhedron so that π(Q) fits inside π(Q) […] impact the shape of π(Q) are those lying on P, so if P is locally Rupert, Q should be as well. […]2022, E. Scott, Two Sufficient Conditions for a Polyhedron to be (Locally) Rupert
- The authors verify that cubes and all rectangular boxes have Rupert passages in any direction not parallel to their faces. […] Huber [...et al.] succeed in showing that also the n-dimensional cube is Rupert.2024 July 14, Vitor Balestro, Horst Martini, Ralph Teixeira, Convexity from the Geometric Point of View, Springer Nature, →ISBN, page 175:
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- […] Rupert-shaped film holes in weakening the kidney-shaped vortex generated by the coolant was confirmed. Furthermore, the Rupert-shaped holes improve the attachment of the film to the wall surface. Further analysis indicates that the shape of the Rupert-shaped holes is […]2024, W. Jianming, W. Wenzong, L. Guangchao, et al., “Numerical study of the cooling performance of Rupert-shaped film cooling holes”, in International Journal of Thermal Sciences: