Abstract
The choice of an adequate representation plays a major role in any kind of evolutionary design optimisation. A flexible and preferably adaptive description of the shape is advantageous in many aspects as it guarantees a wide variety of geometry changes while keeping a low number of parameters. In the past free form deformation methods which are well known from the field of computer graphics have already been combined successfully with evolutionary optimisation. In the present paper general free form deformation (FFD) techniques are compared to the so-called direct manipulation (DM) of free form deformations method which promises several advantages in a design optimisation of complex systems. A general optimisation framework which allows the combination of these representations with evolutionary algorithms is described in detail. Its applicability is illustrated in a turbine blade test scenario to analyze the effects of the representations in evolutionary design optimisation.
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Menzel, S., Olhofer, M., Sendhoff, B. (2006). Direct Manipulation of Free Form Deformation in Evolutionary Design Optimisation. In: Runarsson, T.P., Beyer, HG., Burke, E., Merelo-Guervós, J.J., Whitley, L.D., Yao, X. (eds) Parallel Problem Solving from Nature - PPSN IX. PPSN 2006. Lecture Notes in Computer Science, vol 4193. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11844297_36
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DOI: https://doi.org/10.1007/11844297_36
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