Results 21 to 30 of about 4,484,193 (288)

Geometry of the normal ruled surfaces

open access: yesStructural Mechanics of Engineering Constructions and Buildings, 2021
The wide circle of the surfaces formed by the motion of the right line in the normal plain of some base directrix curve is regarded. The generate right line may rotate at some low at the normal plane of the base curve.
Vyacheslav N. Ivanov
doaj   +1 more source

Developable B-spline surface generation from control rulings [PDF]

open access: yes, 2020
An intuitive design method is proposed for generating developable ruled B-spline surfaces from a sequence of straight line segments indicating the surface shape.
Bo, Pengbo, Hu, Zixuan
core   +1 more source

Developable Surfaces Foliated by General Ellipses in Euclidean Space R3

open access: yesMathematics, 2023
In this article, we classify the developable surfaces in three-dimensional Euclidean space R3 that are foliated by general ellipses. We show that the surface has constant Gaussian curvature (CGC) and is foliated by general ellipses if and only if the ...
Ahmad T. Ali
doaj   +1 more source

Flat Approximations of Surfaces Along Curves

open access: yesDemonstratio Mathematica, 2015
We consider a developable surface tangent to a surface along a curve on the surface. We call it an osculating developable surface along the curve on the surface. We investigate the uniqueness and the singularities of such developable surfaces.
Izumiya Shyuichi, Otani Saki
doaj   +1 more source

On Inextensible Flows Developable Surfaces Associated Focal Curve According to Ribbon Frame

open access: yesSakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2018
In this paper, we investigate inextensible flows of focal curves in Euclidean 3-space associated to developable surfaces to ribbon frame. We present some new generalizations for torsion and curvature of focal curves in associated to developable surfaces.
Mustafa Yeneroğlu
doaj   +1 more source

Developable algebraic surfaces*

open access: yesProgress in Natural Science, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Chen, Dongren, Wang, Guojin
openaire   +2 more sources

Developable Ruled Surfaces Generated by the Curvature Axis of a Curve

open access: yesAxioms, 2023
Ruled surfaces play an important role in various types of design, architecture, manufacturing, art, and sculpture. They can be created in a variety of ways, which is a topic that has been the subject of a lot of discussion in mathematics and engineering ...
Ferhat Taş, Rushan Ziatdinov
doaj   +1 more source

Current developments in surface electromyography

open access: yesTurkish Journal of Medical Sciences, 2023
Background/aim: Surface electromyography (surface EMG) is a primary technique to detect the electrical activities of muscles through surface electrodes. In recent years, surface EMG applications have grown from conventional fields into new fields. However, there is a gap between the progress in the research of surface EMG and its clinical acceptance ...
Alcan, Veysel, Zinnuroğlu, Murat
openaire   +3 more sources

Timelike Tangent Developable Surfaces and Bonnet Surfaces [PDF]

open access: yesAbstract and Applied Analysis, 2016
A criterion was given for a timelike surface to be a Bonnet surface in 3-dimensional Minkowski space by Chen and Li, 1999. In this study, we obtain a necessary and sufficient condition for a timelike tangent developable surface to be a timelike Bonnet surface by the aid of this criterion.
Ersoy, Soley, Eren, Kemal
openaire   +4 more sources

Design support of a developable surface considering its bending energy

open access: yesNihon Kikai Gakkai ronbunshu, 2020
A method to design a developable surface and its developed shape is proposed. A developable surface, which is generated by sweeping a straight line along a three-dimensional curve, can be seen many products such as ships, buildings, clothes, and so on ...
Kotaro YOSHIDA   +3 more
doaj   +1 more source

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