epicycloid

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epicycloid

[‚ep·ə′sī‚klȯid]
(mathematics)
The curve traced by a point on a circle as it rolls along the outside of a fixed circle.
References in periodicals archive ?
One potential result of the project--the epicycloid corresponding to the parameter values R = 10, r = 5 and d = 8 is presented in Figure 6.
From mathematical point of view, this profile is a particular case of the epicycloid curve, problems which are presented by (Keating, E.
The holes for spark plugs and exhaust manifolds (see figure bellow), which goes through the combustion chamber, should be executed after the epicycloid profile.
The epicycloid curve is generated by a fixed point P, related to a circle, which is rolling slidingless outside of another fixed circle, as in figure 2.