Lehre

Übung zu Baustatik I
Übung zu Baustatik II
Übung zu Nichtlineare Modellierung von Flächentragwerken
Übung zu Stabilität von Tragwerken
Übung zu Computergestützte Tragwerksmodellierung
Übung zu FE-Anwendung in der Baupraxis

aktuelle Lehre im Wintersemester 2023/24:

Übung zu Nichtlineare Modellierung von Stabtragwerken

Persönliches

Forschung

Training künstlicher neuronaler Netze zur Materialmodellierung mithilfe physikalischer Randbedingungen

Publikationen

2024

Weber, P.; Wagner, W.; Freitag, S.:
Daten-basierte Materialmodellierung und Simulation von Holztragwerken mit künstlichen neuronalen Netzen,
15. Fachtagung Baustatik-Baupraxis, 04.-05.03.2024, Hamburg.

2023

Weber, P.
Physikalisch konsistente Modellierung von elastischem und plastischem Materialverhalten mit künstlichen neuronalen Netzen
Dissertation, Institut für Baustatik, KIT, Oktober 2023
Link

Weber, P.; Wagner, W.; Freitag, S.:
Comparison of different approaches considering physical properties in ANN material modeling for plasticity
XVII International Conference on Computational Plasticity (COMPLAS), September 05-07, 2023, Barcelona, Spain
Link

Weber, P.; Wagner, W.; Freitag S.:
Physically enhanced training for modeling rate-independent plasticity with feedforward neural networks,
Computational Mechanics, 72, 2023, pp. 827 – 857
https://doi.org/10.1007/s00466-023-02316-9

Weber, P.; Wagner, W.; Freitag, S.:
Energy conservation for ANN material models: Comparing a weak enforcement with the penalty method to a strong enforcement utilizing a specific data loss function,
9th GAMM AG Data Workshop, March 20-21, 2023, Stuttgart, Germany
Link

2022

Weber, P.; Wagner, W.; Freitag, S.:
Considering physical restrictions in the training process of feedforward neural networks for modeling rate-independent plasticity
5th African Conference on Computational Mechanics
November, 2-4, 2022, Cape Town, South Africa

Weber, P.; Wagner, W.; Freitag, S.:
Enhancing Data-based ANN Material Modeling with Physical Restrictions using Constraint Optimization Techniques
9th GACM Colloquium on Computational Mechanics for Young Scientists from Academia and Industry
September 21-23, 2022, Essen, Germany

Weber, P.; Wagner, W.; Freitag S.:
Zur Berücksichtigung physikalischer Nebenbedingungen bei der Materialmodellierung mit künstlichen neuronalen Netzen,
Forschungskolloquium FE ohne Schnee, 16.07.-19.07.2022, Hirschegg, Austria.

2021

Weber, P.; Geiger, J.; Wagner, W.; Freitag, S.:
Incoorporating physical restrictions by constraint optimization techniques for ANN-based hyperelastic material modeling
7th GAMM AG Data Workshop, December 15, 2021, online

Weber, P.; Geiger, J.; Wagner, W.:
Constrained neural network training and its application to hyperelastic material modeling,
Computational Mechanics, 68, 1179–1204, 2021, 
https://doi.org/10.1007/s00466-021-02064-8

Fina, M.; Panther, L.; Weber, P.; Wagner, W.:
Shell buckling with polymorphic uncertain surface imperfections and sensitivity analysis,
ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems Part B: Mechanical Engineering,
https://doi.org/10.1115/1.4050165

2020

Weber, P.; Fina, M.; Wagner, W.:
Simulation of an earthquake excited four story steel frame with polymorphic uncertainties,
14th World Congress in Computational Mechanics (WCCM XIV),
July 19-24, 2020, Paris, France.

Fina, M.; Weber, P.; Panther, L.; Wagner, W.:
Methoden der künstlichen Intelligenz zur Berücksichtigung polymorpher Unschärfe in der nichtlinearen Strukturanalyse.
14. Fachtagung Baustatik-Baupraxis, 23.-24.03.2020, Stuttgart.

Fina, M.; Weber, P.; Wagner, W.:
Polymorphic uncertainty modeling for the simulation of geometric imperfections in probabilistic design of cylindrical shells,
Structural Safety (82) 2020, 101894
https://doi.org/10.1016/j.strusafe.2019.101894

2019

Weber, P.; Fina, M.; Wagner, W.:
Time domain simulation of earthquake exitited buildings using a fuzzy stochastic approach,
in Michael Beer, Enrico Zio (Eds.): Proceedings of the 29th European Safety and Reliability Conference (ESREL),
September 22-26, 2019 Hannover, Germany, ISBN: 978-981-11-2724-3,
https://doi.org/10.3850/978-981-11-2724-3_0155-cd

Fina, M.; Weber, P.; Wagner, W.:
Modeling of aleatory and epistemic uncertainties in probabilistic design of cylindrical shells,
in Michael Beer, Enrico Zio (Eds.): Proceedings of the 29th European Safety and Reliability Conference (ESREL),
September 22-26, 2019 Hannover, Germany, ISBN: 978-981-11-2724-3,
https://doi.org/10.3850/978-981-11-2724-3_0143-cd

Fina, M.; Weber, P.; Wagner, W.:
Numerical design of cylindrical shells with a polymorphic uncertainty model,
3rd International Conference on Uncertainty Quantification in Computational Sciences and Engineering,
June 24-26, 2019, Crete, Greece.
Link

Weber, P.; Fina, M.; Wagner, W.:
Polymorphic uncertainty in time-domain dynamic analysis of buildings under earthquake excitation using metamodels,
3rd International Conference on Uncertainty Quantification in Computational Sciences and Engineering,
June 24-26, 2019, Crete, Greece.
Link

Fina, M.; Weber, P.; Wagner, W.:
A fuzzy stochastic correlation model for geometric imperfections of cylindrical shells,
13th International Conference on Applications of Statistics and Probability in Civil Engineering,
May 26-30, 2019, Seoul, South Korea.
https://doi.org/10.22725/ICASP13.479
 

2018

Weber, P.; Fina, M.; Wagner, W.:
Zur Fuzzy-stochastischen Analyse in der Strukturdynamik mittels Metamodellen,
in J. Schneider, N. Kiziltoprak (Hrsg.), Forschungskolloquium 2018 Grasellenbach Baustatik-Baupraxis e.V., Springer Vieweg 2018, 91-93,
https://doi.org/10.1007/978-3-658-23627-4_32