aaron-spettl.de

Profile

I'm passionate about IT, specializing in software engineering, architecture, cloud technologies, and operations. I thrive in agile teams, shaping visions, driving development, and delivering quality products. Recently, my focus has been on cloud infrastructures, particularly Kubernetes, automation, and provisioning.

Technologies

• 2024
  Azure
• 2022
  AWS
• 2020
  Kubernetes
• 2019
  C#, React
• 2018
  Docker
• 2017
  TypeScript, Jenkins
• 2010
  Java
• 2008
  Ruby on Rails
• 2005
  Linux, Bash
• 2003
  PHP, MySQL
• 1999
  Delphi

Publications

2017

• L. Handl, L. Torbahn, A. Spettl, V. Schmidt, and A. Kwade, Structural analysis and tracking of micron-sized glass particles during shear deformation: A study based on time-resolved tomographic data (Preprint). Advanced Powder Technology 28 (2017), 1920-1929. DOI: 10.1016/j.apt.2017.05.002
• M. Weber, A. Spettl, M. Dosta, S. Heinrich, and V. Schmidt, Simulation-based investigation of core-shell agglomerates: Influence of spatial heterogeneity in particle sizes on breakage characteristics (Preprint). Computational Materials Science 137 (2017), 100-106. DOI: 10.1016/j.commatsci.2017.05.014
• A. Spettl, M. Dosta, F. Klingner, S. Heinrich, and V. Schmidt, Copula-based approximation of particle breakage as link between DEM and PBM (Preprint). Computers & Chemical Engineering 99 (2017), 158-170. DOI: 10.1016/j.compchemeng.2017.01.023

2016

• A. Spettl, T. Werz, C.E. Krill III, and V. Schmidt, Stochastic modeling of individual grain behavior during Ostwald ripening at ultra-high volume fractions of the coarsening phase (Preprint). Computational Materials Science 124 (2016), 290-303. DOI: 10.1016/j.commatsci.2016.07.031
• A. Spettl, S. Bachstein, M. Dosta, M. Goslinska, S. Heinrich, and V. Schmidt, Bonded-particle extraction and stochastic modeling of internal agglomerate structures (Preprint). Advanced Powder Technology 27 (2016), 1761-1774. DOI: 10.1016/j.apt.2016.06.007
• A. Spettl, M. Dosta, S. Bachstein, S. Heinrich, and V. Schmidt, Microstructural effects in breakage behavior of real and virtual agglomerates under compressive load: Automated extraction of internal microstructures, their stochastic modeling and copula-based breakage models fitted to DEM data (Preprint). Proceedings of the International Congress on Particle Technology, Nürnberg, 2016, Paper-ID 1.18.
• L. Handl, L. Torbahn, A. Spettl, H. Zetzener, V. Schmidt, and A. Kwade, Microstructural changes, particle tracking and shear localization of fine glass powders (Preprint). Proceedings of the International Congress on Particle Technology, Nürnberg, 2016, Paper-ID 2.29.
• A. Spettl, T. Brereton, Q. Duan, T. Werz, C.E. Krill III, D.P. Kroese, and V. Schmidt, Fitting Laguerre tessellation approximations to tomographic image data (Preprint, arXiv:1508.01341 [cond-mat.mtrl-sci]). Philosophical Magazine 96 (2016), 166-189. DOI: 10.1080/14786435.2015.1125540

2015

• J. Feinauer, T. Brereton, A. Spettl, M. Weber, I. Manke, and V. Schmidt, Stochastic 3D modeling of the microstructure of lithium-ion battery anodes via Gaussian random fields on the sphere (Preprint). Computational Materials Science 109 (2015), 137-146. DOI: 10.1016/j.commatsci.2015.06.025
• A. Spettl, R. Wimmer, T. Werz, M. Heinze, S. Odenbach, C.E. Krill III, and V. Schmidt, Stochastic 3D modeling of Ostwald ripening at ultra-high volume fractions of the coarsening phase (Preprint). Modelling and Simulation in Materials Science and Engineering 23 (2015), 065001. DOI: 10.1088/0965-0393/23/6/065001
• J. Feinauer, A. Spettl, I. Manke, S. Strege, A. Kwade, A. Pott, and V. Schmidt, Structural characterization of particle systems using spherical harmonics (Preprint). Materials Characterization 106 (2015), 123-133. DOI: 10.1016/j.matchar.2015.05.023
• A. Spettl, M. Dosta, S. Antonyuk, S. Heinrich, and V. Schmidt, Statistical investigation of agglomerate breakage based on combined stochastic microstructure modeling and DEM simulations (Preprint). Advanced Powder Technology 26 (2015), 1021-1030. DOI: 10.1016/j.apt.2015.04.011
• L. Zielke, C. Barchasz, S. Waluś, F. Alloin, J.-C. Leprêtre, A. Spettl, V. Schmidt, A. Hilger, I. Manke, J. Banhart, R. Zengerle, and S. Thiele, Degradation of Li/S battery electrodes on 3D current collectors studied using X-ray phase contrast tomography (Preprint). Scientific Reports 5 (2015), 10921. DOI: 10.1038/srep10921
• S. Pröll, S. Pickl, A. Spettl, V. Schmidt, E. Spodarev, S. Elspaß, and W. König, Neue Dialektometrie mit Methoden der stochastischen Bildanalyse (Preprint). In: R. Kehrein, A. Lameli, and S. Rabanus (eds.): Regionale Variation des Deutschen. Berlin / Boston: De Gruyter (2015), 173-194. DOI: 10.1515/9783110363449-009
• S. Pröll, S. Pickl, and A. Spettl, Latente Strukturen in geolinguistischen Korpora (Preprint). In: M. Elmentaler, M. Hundt, and J.E. Schmidt (eds.): Deutsche Dialekte. Konzepte, Probleme, Handlungsfelder. Akten des 4. Kongresses der Internationalen Gesellschaft für Dialektologie des Deutschen (IGDD). (Zeitschrift für Dialektologie und Linguistik, Beihefte. Band 158.) Stuttgart: Steiner (2015), 247-258.
• M. Salzer, T. Prill, A. Spettl, D. Jeulin, K. Schladitz, and V. Schmidt, Quantitative comparison of segmentation algorithms for FIB-SEM images of porous media (Preprint). Journal of Microscopy 257 (2015), 23-30. DOI: 10.1111/jmi.12182

2014

• Q. Duan, D.P. Kroese, T. Brereton, A. Spettl, and V. Schmidt, Inverting Laguerre Tessellations (Preprint). The Computer Journal 57 (2014), 1431-1440. DOI: 10.1093/comjnl/bxu029
• S. Pickl, A. Spettl, S. Pröll, S. Elspaß, W. König, and V. Schmidt, Linguistic distances in dialectometric intensity estimation (Preprint). Journal of Linguistic Geography 2 (2014), 25-40. DOI: 10.1017/jlg.2014.3
• A. Spettl, T. Werz, C.E. Krill III, and V. Schmidt, Parametric representation of 3D grain ensembles in polycrystalline microstructures (Preprint). Journal of Statistical Physics 154 (2014), 913-928. DOI: 10.1007/s10955-013-0893-7

2012

• A. Spettl, M. Lindén, I. Manke, and V. Schmidt, Structural 3D characterization of silica monoliths: extraction of rod networks (Preprint). In: F. Puente Leon, and M. Heizmann (eds.): Forum Bildverarbeitung 2012. Karlsruhe: KIT Scientific Publishing (2012), 107-118. DOI: 10.5445/KSP/1000030440
• R. Thiedmann, A. Spettl, O. Stenzel, T. Zeibig, J.C. Hindson, Z. Saghi, N.C. Greenham, P.A. Midgley, and V. Schmidt, Networks of nanoparticles in organic-inorganic composites: Algorithmic extraction and statistical analysis (Preprint). Image Analysis and Stereology 31 (2012), 23-42. DOI: 10.5566/ias.v31.p27-42
• M. Salzer, A. Spettl, O. Stenzel, J.-H. Smått, M. Lindén, I. Manke, and V. Schmidt, A two-stage approach to the segmentation of FIB-SEM images of highly porous materials (Preprint). Materials Characterization 69 (2012), 115-126. DOI: 10.1016/j.matchar.2012.04.003

2011

• R. Thiedmann, O. Stenzel, A. Spettl, P.R. Shearing, S.J. Harris, N.P. Brandon, and V. Schmidt, Stochastic simulation model for the 3D morphology of composite materials in Li-ion batteries (Preprint). Computational Materials Science 50 (2011), 3365-3376. DOI: 10.1016/j.commatsci.2011.06.031