Geodesic
Helicoid and curvature based functional variations
Filomat, Tome 37 (2023) no. 25, p. 8553

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DOI

In view of the meaning of ruled surfaces in aesthetics, statics, scale and manufacturing technologies, we point out the possibility of a mathematical analysis in the case of infinitesimal deformations by considering the rigidity of surfaces. In case of bendable surfaces it is useful to discuss the variation of magnitudes such as the shape operator. The shape operator is a good way to measure how a regular surface S bends in R3 by valuation how the surface normal ν changes from point to point. In this work we consider variations of the shape operator, the normal curvature and the principal curvatures of helicoid under infinitesimal bending of the surface.
DOI : 10.2298/FIL2325553C
Classification : 53A05, 53C45, 92C40
Keywords: Shape operator, Helicoid, Infinitesimal bending, Variation 
Milica D Cvetković; Ljubica S Velimirović. Helicoid and curvature based functional variations. Filomat, Tome 37 (2023) no. 25, p. 8553 . doi: 10.2298/FIL2325553C
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     author = {Milica D Cvetkovi\'c and Ljubica S Velimirovi\'c},
     title = {Helicoid and curvature based functional variations},
     journal = {Filomat},
     pages = {8553 },
     year = {2023},
     volume = {37},
     number = {25},
     doi = {10.2298/FIL2325553C},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2325553C/}
}
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