Karl-Alexander Hoppe, M. Sc.

Research Associate

Research Topics:

  • Modeling of random processes
  • Characterization of porous and granular media with uncertain acoustical properties
  • Inverse problems involving impedance tube measurement data

Lectures

Winter term 2023/24

Summer term 2024

Publications

2024

  • Chocholaty, Bettina; Roozen, Nicolaas Bernardus; Hoppe, Karl-Alexander; Maeder, Marcus; Marburg, Steffen: Vibration and impact sound properties of hybrid steel-timber floor structures. 8 (11), 2024, 1-18 more… BibTeX
  • Hoppe, Karl-Alexander; Li, Kevin Josef; Chocholaty, Bettina; Schmid, Johannes D.; Schmid, Simon; Sepahvand, Kian; Marburg, Steffen: Surrogate recycling for structures with spatially uncertain stiffness. Journal of Sound and Vibration 570, 2024, 117997 more… BibTeX Full text ( DOI )

2023

  • Chocholaty, Bettina; Eser, Martin; Hoppe, Karl-Alexander; Wang, Daotong; Marburg, Steffen: Vibration response of a hybrid steel–timber building element with uncertain material and joint parameters. Archives of Civil and Mechanical Engineering 24 (1), 2023 more… BibTeX Full text ( DOI )
  • Hoppe, Karl-Alexander; Kronthaler, Martin G. T.; Sepahvand, Kian; Marburg, Steffen: Identification of a cantilever beam’s spatially uncertain stiffness. Scientific Reports 13 (1), 2023 more… BibTeX Full text ( DOI )
  • Hoppe, Karl-Alexander; Schmid, Simon; Kollofrath, Jochen; Marburg, Steffen: Vergleich von Ansätzen zur Identifikation von Defekten an Homogenen Platten. Fortschritte der Akustik - DAGA 2023, 49. Jahrestagung für Akustik, 06.-09. März 2023, Hamburg, Deutsche Gesellschaft für Akustik e.V. (DEGA), 2023https://pub.dega-akustik.de/DAGA_2023 more… BibTeX
  • Karl-Alexander Hoppe, Kevin Josef Li, Bettina Chocholaty, Johannes D. Schmid, Simon Schmid, Kian Sepahvand, Steffen Marburg: Surrogate Recycling for Structures with Spatially Uncertain Stiffness. preprint, 2023 more… BibTeX Full text ( DOI ) Full text (mediaTUM)

2022

  • Hoppe, Karl-Alexander; Mannhardt, Simon; Marburg, Steffen: Bayesian Identification of Spatially Varying Impedance. Fortschritte der Akustik - DAGA 2022, 48. Jahrestagung für Akustik, 21.-24. März 2022 in Stuttgart / online (hybrid), DEGA, 2022 more… BibTeX
  • Saati, Ferina; Hoppe, Karl-Alexander; Marburg, Steffen; Horoshenkov, Kirill V.: The accuracy of some models to predict the acoustical properties of granular media. Applied Acoustics 185, 2022, 108358 more… BibTeX Full text ( DOI )

2019

  • Saati, F.; Hoppe, K. A.; Marburg, S.: Vergleich von iterativen Inversionscharakterisierungsmethoden und direkten Methoden für starre poröse Materialien. Fortschritte der Akustik-DAGA : 45. Jahrestagung für Akustik, 18.-21. März, DEGA e.V., 2019 more… BibTeX
  • Schneider, A.; Hoppe, A.; Langer, P.; Guist, C.; Marburg, S.: Einfluss von Vernetzungsparametern auf die Modalanalyse geometrisch unterschiedlich komplexer Strukturen mittels der Finite-Elemente-Methode. Fortschritte der Akustik - DAGA 2019, 45. Deutsche Jahrestagung für Akustik, 18.-21. März 2019 in Rostock, DEGA, 2019Rostock,Deutschland more… BibTeX

2018

  • Hoppe, K. -A. H.; Langer, P.; Marburg, S.: Efficient bolted joint modeling for industrial applications - empirical and analytical approaches. Proceedings of International Conference on Noise and Vibration Engineering and International Conference on Uncertainty in Structural Dynamics, KU Leuven, 2018Leuven more… BibTeX
  • Langer, Patrick; Hoppe, Alexander; Guist, Christian; Marburg, Steffen: From Theory to Three-Dimensional Finite Element Models: An Innovative Method for Validation. SAE Technical Paper Series, SAE International, 2018Graz, Austria more… BibTeX Full text ( DOI )

2017

  • Langer, P.; Jelich, C.; Hoppe, A.; Schneider, A.; Guist, C.; Sepahvand, K. and S. Marburg: Finite element model for modal analysis of engine-transmission unit: numerical and experimental investigations. Proceedings of the 46th International Congress and Exposition on Noise Control Engineering, 2017HongKong more… BibTeX
  • Langer, Patrick; Hoppe, Alexander; Guist, Christian; Marburg, Steffen: Bolted Joints: Eigenfrequencies from non-linear FE-models and experimental modal analysis. INTER-NOISE and NOISE-CON Congress and Conference Proceedings 255 (5), 2017, 2967-2977 more… BibTeX