This image shows Alexander Brauchler

Alexander Brauchler

Dr.-Ing.

(2018 - 2023)
Institute of Engineering and Computational Mechanics

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Subject

black: published, green: accepted for publication,  orange: submitted for publication

  • Brauchler, A.; Gonzalez, S.; Vierneisel, M.; Ziegler, P.; Antonacci, F.; Sarti, A.; Eberhard, P.: Model-Predicted Geometry Variations to Compensate Material Variability in the Design of Classical Guitars.
    Preprint Research Square, DOI: 10.21203/rs.3.rs-2014605/v1
     
  • Rettberg, J.; Wittwar, D.; Buchfink, P.; Brauchler, A.; Ziegler, P.; Fehr, J.; Haasdonk, B.: Port-Hamiltonian Fluid-Structure Interaction Modeling and Structure-Preserving Model Order Reduction of a Classical Guitar.
    Mathematical and Computer Modelling of Dynamical Systems, 2022. Preprint ArXiv: http://arxiv.org/abs/2203.10061
     
  • Brauchler, A; Hose, D.; Ziegler, P.; Hanss, M.; Eberhard, P.: Distinguishing Geometrically Identical Instruments: Possibilistic Identification of Material Parameters in a Parametrically Model Order Reduced Finite Element Model of a Classical Guitar. Journal of Sound and Vibration, Vol. 535, p. 117071, 2022.
    [ DOI: 10.1016/j.jsv.2022.117071 ]

  • Brauchler, A; Ziegler, P.; Eberhard, P.: Material Parameter Identification of Classical Guitars by Means of Surrogate Models Based on Parametric Model Order Reduction.
    Fortschritte der Akustik - DAGA 2022, Stuttgart, March 21-24, 2022.

  • Brauchler, A; Ziegler, P.; Eberhard, P.: Identifikation der Materialparameter klassischer Gitarren auf Basis parametrisch modellordnungsreduzierter Finite Elemente Modelle (in German).
    Modelle der physikalischen Akustik Folien-Repositorium, Technical University of Darmstadt, 2021.
    [ DOI: 10.48328/tudatalib-798 ]

  • Brauchler, A; Ziegler, P.; Eberhard, P.: Modeling the Body of a Classical Guitar Using the Finite Element Method and Experimental Modal Analysis.
    Fortschritte der Akustik - DAGA 2021, Vienna, August 15-18, 2021.

  • Brauchler, A; Ziegler, P.; Eberhard, P.: An Entirely Reverse-Engineered Finite Element Model of a Classical Guitar in Comparison with Experimental Data. The Journal of the Acoustical Society of America, Vol. 149, No. 6, p. 4450-4462, 2021.
    [ DOI: 10.1121/10.0005310 ]

  • Brauchler, A; Ziegler, P.; Eberhard, P.: Numerical Models for Classical Guitars with Updated Parameters from Experimental Data.
    Proceedings of Forum Acusticum 2020, Lyon, December 7-11, 2020.
    [ DOI: 10.48465/fa.2020.0072 ]

  • Brauchler, A; Ziegler, P.; Eberhard, P.: Examination of Polarization Coupling in a Plucked Musical Instrument String via Experiments and Simulations. Acta Acustica, Vol. 4, No. 3, Paper No. 9 (12 pages), 2020.
    [ DOI: 10.1051/aacus/2020008]

  • Brauchler. A.; Ziegler, P.; Benatti Camargo, S.; Eberhard, P.: Experimental and Simulative Examination of the String-Soundboard Coupling of an Acoustic Guitar.
    Proceedings of ISMA 2019, Detmold, September 13-17, 2019.

  • Brauchler, A.; Ziegler, P.; Eberhard, P.: Experimentelle und numerische Untersuchung des Einflusses realistischer Randbedingungen auf Saitenschwingungen (in German).
    Fortschritte der Akustik - DAGA 2019, Rostock, March 18-21, 2019.

  • Brauchler, A.; Ziegler, P.; Eberhard, P.: Experimental and Simulative Examination of Plucked Musical Instrument Strings, Masterthesis MSC-272.
    Institute of Engineering and Computational Mechanics, Stuttgart, 2018. (Eberhard, P; Ziegler, P.)

  • Yamashita, H.; Chen, G.; Brauchler, A.; Ruan, Y.; Jayakumar, P; Sugiyama, H.: Computer Implementation of Hierarchical FE-DE Multiscale Approach for Modeling Deformable Soil in Multibody Dynamics Simulation.
    Proceedings of the ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Quebec, August 26-29, 2018.
  • Brauchler, A.: Towards a Physics-Based Multiscale Continuum-Discrete Deformable Terrain Model for off-Road Mobility Simulation, SimTech-Researchthesis STUD-469.
    College of Engineering: University of Iowa, Iowa City, 2017. (Eberhard, P; Sugiyama, H.)
  • Brauchler, A.: Einfluss der Markov-Parameter bei der Simulation von Stoßvorgängen (in German), Bachelorthesis BSC-57.
    Institute of Engineering and Computational Mechanics, Stuttgart, 2015. (Eberhard, P; Holzwarth, P; Walz, N.)
  • October 18, 2022: IMSD 2022, New Delhi (India, online), "Model Updating and Geometry Optimisation on the Numerical Model of a Classical Guitar."

  • September 22, 2022: Mondo Acustica 2022, Cremona (Italy), "Detailed Finite Element Models and Efficient Reduced Order Models – Steps Towards Predictive Virtual Prototypes in Classical Guitar Making."

  • September 12, 2022: Vienna Talk 2020/22, Vienna (Austria), "Towards Acoustic Copies of Guitars - Predicting the Effect of Geometry Modifications on Guitar Soundboards."

  • September 12, 2022: Vienna Talk 2020/22, Vienna (Austria), "Material Parameter Identification of Complete Guitars - Accomplishments and Limitations", Poster Presentation.

  • July 25, 2022: Statusseminar ITM, Hösbach (Germany), "Guitar Hero Vol.4 - Shape of You."

  • March 22, 2022: DAGA 2022, Stuttgart (Germany), "Material Parameter Identification of Classical Guitars by Means of Surrogate Models Based on Parametric Model Order Reduction."

  • November 24, 2021: Statusseminar ITM, Monbachtal (Germany), "Guitar Hero Vol 3 - Blurred Lines."

  • October 21, 2021: DEGA Workshop Physical Acoustics, Bad Honnef (Germany),
    "Identifikation der Materialparameter klassischer Gitarren auf Basis parametrisch modellordnungsreduzierter Finite Elemente Modelle (in German)."

  • October 15, 2021: Guest Lecture in the Seminar of the Musical Acoustics Lab (DEIB Politecnico Milano), Cremona (Italy),
    "The Ingredients of Numerical Guitar Models and How They Can Help Understanding Existing Instruments."

  • August 18, 2021: DAGA 2021, Vienna (Austria),
    "Modeling the Body of a Classical Guitar Using the Finite Element Method and Experimental Modal Analysis."

  • June 8, 2021: ASA Acoustics in Focus (online),
    "Reverse-Engineering a Digital Twin of a Classical Guitar Using the Finite Element Method and Experimental Modal Analysis."

  • December 10, 2020: Forum Acusticum 2020, Lyon (France, online),
    "Numerical Models for Classical Guitars with Updated Parameters from Experimental Data."

  • May 29, 2020: Project Presentation, Weissach (Germany, online),
    "Modal Analysis of Braking Discs with the Complex Mode Indicator Function and Enhanced Frequency Response Functions."

  • September 15, 2019: ISMA 2019, Detmold (Germany),
    "Experimental and Simulative Examination of the String-Soundboard Coupling of an Acoustic Guitar."

  • June 03, 2019: Statusseminar ITM, Bad-Herrenalb (Germany), "Guitar Hero Vol. 2 - Underneath Your Strings."

  • March 19, 2019: DAGA 2019 - 45. Jahrestagung für Akustik, Rostock (Germany),
    "Experimentelle und numerische Untersuchung des Einflusses realistischer Randbedingungen auf Saitenschwingungen (in German)."

  • May 28, 2018: Statusseminar ITM, Bad-Herrenalb (Germany), "The Temptation of Vibration - Plucked Musical Instrument Strings."

  • May 22, 2017: Statusseminar ITM, Monbachtal (Germany), "Towards a Physics-Based Multiscale Continuum-Discrete Deformable Terrain Model for off-Road Mobility Simulation."
  • Data-Based Discrepancy Modeling for a Parametrically Model Order Reduced Finite Element Model of a Classical Guitar , Master Thesis (ongoing).
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2022.
    In co-supervision with Dr.-Ing. Pascal Ziegler
    In cooperation with: Musical Acousticas Lab of the Politecnico Di Milano in Cremona.
  • Influence Quantification of Design Parameters of Classical Guitars by Means of Numerical Models, SimTech Project Thesis SA-38.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2021.
    In co-supervision with Dr.-Ing. Pascal Ziegler
  • Acoustic Modeling and Numerical Simulation of the Sound Radiation of a Guitar Box, Master Thesis MSC-323.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2022.
    In co-supervision with Dr.-Ing. Pascal Ziegler
  • Application of the Response Surface Method to Identify Unknown Parameters of a Soundboard Model of a Classical Guitar, Student Thesis STUD-515.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2021.
    In co-supervision with Dr.-Ing. Pascal Ziegler
  • Comparison of the Continuous Wavelet Transform with the Short-Time Fourier Transform in Time-Frequency Analysis of Vibrating Structures, Bachelor Thesis BSC-142.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2021.
    In co-supervision with Fabian Matter, M.Sc.
  • Identification of Material Parameters of a Guitar using Parametrically Reduced Models, Master Thesis MSC-303.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2020.
    In co-supervision with Benjamin Fröhlich, M.Sc.
     
  • Modeling of the Fluid-Structure Interaction between Guitar Body and Enclosed Air, SimTech Project Thesis SA-27.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2020.
    In co-supervision with Dr.-Ing. Pascal Ziegler
  • Modeling and Optimization of the Bracing of a Classical Guitar, SimTech Project Thesis SA-30.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2019.
    In co-supervision with Dr.-Ing. Pascal Ziegler
  • Modeling and Simulation of a Classical Guitar, Master Thesis MSC-286.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2019.
    In co-supervision with Dr.-Ing. Pascal Ziegler
    In cooperation with: Sapienza University of Rome.
  • Nonlinear Coupling of the Transversal and Longitudinal String Oscillation, Bachelor Thesis BSC-103.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2019.
    In co-supervision with Dr.-Ing. Pascal Ziegler
  • Influence of the Saddle on the Shape of the String Oscillation of the Acoustic Guitar, Bachelor Thesis BSC-102.
    University of Stuttgart, Institute of Engineering and Computational Mechanics, 2019.
    In co-supervision with Dr.-Ing. Pascal Ziegler
  • Organization of the seminar and booster workshops, as well as advisor of the tutor seminar and booster workshops in Applied Mechanics IV (ST 2022)
  • Try Science workshop for pupils (WT 2021/2022)
  • Printers (until ST 2022)
  • Student workers (until ST 2020)
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