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CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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_id	radzjukevich02_paper_eaea2007
id	radzjukevich02_paper_eaea2007
authors	Radzjukewich, Andrey
year	2008
title	The Computer Methods of Construction Spiral Structures
source	Proceedings of the 8th European Architectural Endoscopy Association Conference
summary	The object of our research is geometric characteristics of spiral structures which are widely spread in nature (cones, sunflower beds…). It is a well-known fact that there is a proportional intercommunication according to the “golden section”. The correlation of the quantity of “right” and “left” spirals ties to have an irrational coefficient of “golden section” through the correlation numbers of 1,618… from Fibbonacci series ( 5/3, 8/5, 13/8, 21/13, 34/21, 55/34 …). When the proportion of “golden section” was found in the natural objects since the middle of the 19-th century (A.Zeizing), there began to appear a lot of hypotheses about some special aesthetic and technological characteristics of this proportion. The proportion of “golden section” became the most important architectural instrument in the first half of the 20-th century. This instrument made it possible to design beautiful and comfortable buildings (Le Corbusier). We tried to find a geometric way of building spiral structures which would be similar to natural ones. We solved this problem with the help of the developed algorythm the geometric characteristics of the cells of which spiral structures are built were investigated. It was found out that the cells of “golden” spiral structures don't have any special characteristics if compare with the cells of other spiral structures. During our work we found some spiral structures which have optimal geometric characteristics. These structures let's call them radial-hexagonal, have maximal area of a cell, though they have minimum perimeter. We also defined the main difference in the growing strategy of animate and inanimate structures. Inanimate structures grow by means of addition external elements. Animate structures grow by means of constant pushing of new elements which appear in the centre towards periphery. The optimal filling of the plane in the process of such growing is possible only by “golden section” of “right” and “left” spirals.
keywords	spirals, spiral lattices, a proportion of "gold section”
series	EAEA
email
more	http://info.tuwien.ac.at/eaea
last changed	2008/04/29 20:46

_id	talapov02_paper_eaea_2007
id	talapov02_paper_eaea 2007
authors	Talapov, Vladimir
year	2008
title	Computer Modeling in Architecture by Example of St. Basil's Cathedral in Moscow
source	Proceedings of the 8th European Architectural Endoscopy Association Conference
summary	The aim of this article was testing in practice the modern computer modeling tools in real time. We took one of the most beautiful and geometrically complex structures in the world Architecture - St. Basil’s Cathedral in Moscow for that. As result we created the computer model of outside of this structure. And now we correct and improve its geometry and try to get its photorealistic and artistic visualization.
keywords	computer model, St. Basil’s Cathedral
series	EAEA
type	normal paper
email
more	http://info.tuwien.ac.at/eaea
last changed	2008/04/29 20:46

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