Abstract
A widely distributed subgroup of shell patterns result from the superposition of a stable and a periodic pattern. The upper shell in Figure 4.1 shows two sets of parallel relief-like lines. One set is oriented parallel to the growing edge and results from a thickening of the shell at periodic time intervals. The other set is oriented parallel to the direction of growth and results from a permanently enhanced deposition of shell material at regularly spaced positions. In this example, the two patterns do not interfere with each other, a situation that is more the exception than the rule, but it shows that the assumption of two superimposed systems is reasonable.
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© 1995 Springer-Verlag Berlin Heidelberg
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Meinhardt, H. (1995). Superposition of stable and periodic patterns. In: The Algorithmic Beauty of Sea Shells. The Virtual Laboratory. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-13135-0_4
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DOI: https://doi.org/10.1007/978-3-662-13135-0_4
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-13137-4
Online ISBN: 978-3-662-13135-0
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