developable surface


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developable surface

[di¦vel·əp·ə·bəl ′sər·fəs]
(mathematics)
A surface that can be obtained from a plane sheet by deformation, without stretching or shrinking.
References in periodicals archive ?
2] developable surfaces of biharmonic b-slant helices in the special three-dimensional [phi]--Ricci symmetric para-Sasakian manifold P.
Any constant angle spacelike surface is isometric to a plane, a cone, a cylinder or a tangent developable surface.
Thus they must be tangent developable surfaces, cylinders and cones.
Let S be an orientable timelike non - developable surface.
The parallel surface S to a timelike (spacelike) non - developable surface surface S at distance [delta] = 1/2H, H a positive constant, is synclastic (respectively, anticlastic).