Multifractal spectrum of a laser beam melt ablation process

Camilo Rodrigues Neto, Kevin Bube, Adrienn Cser, Andreas Otto and Ulrike Feudel

Physica A: Statistical Mechanics and its Applications, 2004, vol. 344, issue 3, 580-586

Abstract: The surface profiles resulting from a laser beam melt ablation process have been quantified on the basis of the multifractal formalism. The multifractal spectra for several parameters sets, obtained with the wavelet transform modulus maxima method, were found to change towards higher Hölder exponents as the system undergoes a regime transition from medium to high ablation rates. This is consistent with the experimental observation of pattern formation at high ablation rates.

Keywords: Laser beam machining; Multifractal spectrum; Wavelet transform; Pattern formation (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:344:y:2004:i:3:p:580-586

DOI: 10.1016/j.physa.2004.06.035

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