In architecture, the intersection of lobed or scalloped forms, particularly in arches (cusped arches) and tracery. Thus the three lobes of a trefoil (cloverleaf form) are separated by three cusps. Cusped forms appear in early Islamic work and were especially common in the Moorish architecture of North Africa and Spain. The form was adopted wholeheartedly by European Gothic architecture.
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Beach cusps as self-organized patterns. (research indicates accepted model of beach cusp formation may be inaccurate)
May 14, 1993; Computer simulations of flow and sediment transport in the swash zone on a beach demonstrate that a model that couples local flow...