Die Dicke der Metallstücke von verschiedenen Tierformen - von der Giraffe bis zum Fisch - werden so angepasst, dass sich ein ganz bestimmter Ton ergibt, wenn man die Formen anschlägt.
Using new computer algorithms, it is possible to adjust specific properties of three-dimensional objects, such as the sounds they produce or how stable they are. The thickness of a piece of metal made into different animal shapes - including a giraffe and a fish - is adjusted by using a computer algorithm in such a way that a specific sound spectrum is exhibited when the objects are struck. Which sound will you hear if you strike a little metal fish with a drum stick? The answer to this question is fairly easy to work out using a computer these days. It is much more difficult to determine the shape of a metal object in order to generate a specific sound. The team led by Przemyslaw Musialski at TU Wien joined forces with Leif Kobbelt from RWTH Aachen to find a way to make this possible. Thanks to their work, specific complex requirements can now be defined for objects - including the sound they make or how resistant they are to certain mechanical stresses - and a computer algorithm is used to adapt the object such that it meets these particular specifications. Changes to wall thickness - "We produce hollow objects or open shells with walls which are not uniform in their thickness," explains Przemyslaw Musialski, Head of the Computational Fabrication Group at the Center for Geometry and Computational Design at TU Wien.
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