details



The Mathematical Study of Mollusk Shells



Details of mathematical models

The notation is from page 5.

Nautilus.
v=.18, c=1, a=1, b=0.6, h=1, k=0,t=-20..1


Astroceras.
v=.12, c=1, a=1.25, b=1.25, h=3.5, k=0,t=-40..-1




Euhoplites.
v=.1626, c=1, a=0.6, b=0.4, h=0.9, k=0,t=-40..-1

Bellerophina.
v=.06, c=1, a=0.85, b=1.2, h=0.75, k=0,t=-10..-1