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function & formVortrag: ITU institute of science and technology, Istanbul; 08.11.2010DI Wolfgang E. Lorenz November 8th, 2010, Fractal Characteristics and Architecture In the year 1975 Benoit Mandelbrot introduced the term Fractal as a possibility to distinguish selfsimilar natural or artificial objects from smooth Euclidean objects. Since then Fractals have been identified in many fields. Under the presupposition of the new Geometry of Fractals mainly two kinds of architectural compositions can be differentiated – with nuances in between. Those buildings offering selfsimilarity are close to Fractal Geometry and distinguish themselves from the smooth Euclidean Geometry of Modern architecture that is reduced to a few geometrical objects. But buildings are no Fractals in the same sense as mathematical Fractals. Fractals are defined by their characteristics – selfsimilarity, generation by iterations, rough surfaces, infinite complexity, dependence on starting parameters and common features with nature. But often the only way to describe Fractals is through their Fractal Dimension. With regard to this definition, architecture and façades in particular can be described according to visual criteria whether they offer fractal characteristics or not, examining various levels of scale. Limits are imposed by certain influences that are inherent in buildings, ranging from materials used over purposes to specific sizes of certain details. In nature such influences are amongst others caused by weather and climate, which changes the idealized fractal structure. The factor of chance is then what turns the outcome of such computerized simulations into realistic models. Hence fractal characteristics such as selfsimilarity of natural and artificial objects are difficult to describe precisely. As an example, Robie House by Frank Lloyd Wright offers selfsimilarity on different scales using the horizontality of the surrounding nature as a concept that is translated into the building with regard to purpose, material and construction. The horizontally stretched façade consists of widely protruding, longitudinally stretched roofs and stretched storeys, where the storeys themselves again consist of level windowstrips and horizontal parts of walls, with the walls again being structured horizontally by emphasized back mortar beds and flush brought narrow header joints. But how can this concept be measured? 
Graduate Studies in Building Science and TechnologyComputational Geometry1 VU ... 3,0 
Evolutionary Algorithms and Fractal Geometry in Architectural DesignLecture: university of east london, London; 02.02.2005DI Wolfgang E. Lorenz February 2nd, 2005,

SelfSimilarity in Architectural DesignLecture: Aedas Architects Limited, London; 03.02.2005;DI Wolfgang E. Lorenz February 3rd, 2005, How is selfsimilarity achieved at Robie House, Chicago from 1909?
The concept of the basic idea is not only found in examples that are close to nature. It is also true for Schröder House by Gerrit Rietveld built in 1924. This building belongs to de Stijl. This time lines and disks of different functions, characteristics and scales can be found. Schröder House by Gerrit Rietveld

Fractal Geometry in Architectural DesignVortrag: Forschungsseminar Bauphysik, Vienna; 15.01.2004DI Wolfgang E. Lorenz January 15th, 2004, 
Fractals and Fractal ArchitectureVortrag: archdiploma 2003, Kunsthalle Project Space, Wien; 07.10.2003; in: "archdiploma 2003", (2003), S. 94  95DI Wolfgang E. Lorenz January 13th, 2004, 