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geometry > geometric drawing > radius of curvature

Preferred term

radius of curvature  

Definition

  • In differential geometry, the radius of curvature, R, is the reciprocal of the curvature. For a curve, it equals the radius of the circular arc which best approximates the curve at that point. For surfaces, the radius of curvature is the radius of a circle that best fits a normal section or combinations thereof.
    (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Radius_of_curvature)

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http://data.loterre.fr/ark:/67375/PSR-B3NLKZLT-F

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