Lehre

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

aktuelle Lehre im Sommersemester 2023

Übung zu Computergestützte Tragwerksmodellierung

Persönliches

Forschung

Training künstlicher neuronaler Netze zur Materialmodellierung mithilfe physikalischer Randbedingungen

Publikationen

2023

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
https://www.mib.uni-stuttgart.de/dae/ag-data/dokumente-ag-data/ag-data2023_BOA.pdf

Weber, P., Wagner, W., Freitag S.:
Physically enhanced training for modeling rate-independent plasticity with feedforward neural networks,
Computational Mechanics, 2023, 
https://link.springer.com/article/10.1007/s00466-023-02316-9

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,
http://rpsonline.com.sg/proceedings/9789811127243/html/0155.xml

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,
http://rpsonline.com.sg/proceedings/9789811127243/html/0143.xml 

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.
https://2019.uncecomp.org/proceedings/pdf/18399.pdf

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.
https://2019.uncecomp.org/proceedings/pdf/18456.pdf
 

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.