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Despite the speed of computer processors, it
remains a computational challenge to realistically animate hair
in the media. It is indeed hopeless to simulate each
of the 100,000 to 150,000 hairs on a human scalp. The state of
the art sometimes consists in digitizing the motion of a pony
tail and to patch the result on the back of the head of some
female character. OCIAM was approached by Mathengine to find
alternative, more mathematically sound, ways of modelling hair
motion. In a recent M.Sc. thesis, a start has been made by
addressing the motion of a single hair, using
the beam equation of elasticity.
Future research on this topic will focus on
- the interaction between individual hairs,
- the body/hair contact problem,
- the influence of wind and air resistance on hair motion.
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Static solution of the
elasticity equation of a single hair. Red, green and blue correspond
to three sizes of hair. Multiple solutions exist for long
hairs.
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