- In geometry, a
hypocycloid is a
special plane curve generated by the
trace of a
fixed point on a
small circle that
rolls within a
larger circle. As the...
- In mathematics, an
astroid is a
particular type of
roulette curve: a
hypocycloid with four cusps. Specifically, it is the
locus of a
point on a circle...
- as a deltoid, a type of
quadrilateral A
deltoid curve, a three-cusped
hypocycloid A leaf
shape The
deltoid tuberosity, a part of the
humerus The deltoid...
-
friction and wear).
Their gear
tooth profile is
based on the
epicycloid and
hypocycloid curves,
which are the
curves generated by a
circle rolling around the...
- {\displaystyle (x_{0},y_{0})} . The
special cases of the
epicycloid and
hypocycloid,
generated by
tracing the
locus of a
point on the
perimeter of a circle...
- R)}{R}}} (where LCM is
least common multiple).
Special cases include the
hypocycloid with d = r and the
ellipse with R = 2r and d ≠ r. The
eccentricity of...
-
deltoid curve, also
known as a
tricuspoid curve or
Steiner curve, is a
hypocycloid of
three cusps. In
other words, it is the
roulette created by a point...
- a
roulette is a kind of curve,
generalizing cycloids, epicycloids,
hypocycloids, trochoids, epitrochoids, hypotrochoids, and involutes. On a
basic level...
-
green field on
which is
placed a
white four-pointed star (a
truncated hypocycloid) from
which radiate blue stripes, each
bordered by L-shaped
yellow elements...
- logo. It
consists of the word "Steelers"
surrounded by
three astroids (
hypocycloids of four cusps). The
original meanings behind the
astroids were, "Steel...
