Lehre

Übung zu Baustatik I
Übung zu Baustatik II
Übung zu Nichtlineare Modellierung von Stabtragwerken
Übung zu Computergestützte Tragwerksmodellierung
Übung zu FE-Anwendung in der Baupraxis
Übung zu Nichtlineare Modellierung von Flächentragwerken
Übung zu Flächentragwerke
Übung zu Stabilität von Tragwerken
Vorlesung Nichtlineare Modellierung von Stabtragwerken
Vorlesung Numerische Methoden in der Baustatik
Übung zu Numerische Methoden in der Baustatik
 

aktuelle Lehre im Sommersemester 2024

Vorlesung Stabilität von Tragwerken
Vorlesung Schalentragwerke
Übung zu Schalentragwerke

Forschungsschwerpunkte 

Polymorphe Unschärfemodellierung im Schalenbeulen
Optimierung von Schalentragwerken mit polymorpher Unschärfe
Nichtlineare Finite-Element-Methoden
Stabilität von Tragwerken

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Publikationen

2024

Fina, M.; Valdebenito, M. A.; Wagner, W.; Broggi, M.; Freitag, S.; Faes, M. G. R.; Beer, M.:
Control Variates method to estimate stochastic buckling loads
submitted to International Journal for Numerical Methods in Engineering

Schweizer, M.; Fina, M.; Wagner, W.; Freitag, S.:
Artificial neural networks for random fields to predict the buckling load of geometricallly imperfect structures,
submitted to Computational Mechanics

Fina, M.; Bisagni, C.:
Buckling design optimization of tow-steered composite shells considering aleatory and epistemic uncertainties,
submitted to Computational Mechanics

Rutsch, F.; Fina, M.; Freitag, S.:
Structural Topology Optimization with Simultaneous Stress and Displacement Constraints considering Multiple Load Cases
submitted to Structural and Multidisciplinary Optimization

Freitag, S.; Fina, M.; Schweizer, M.; Wagner, W.:
Polymorphic Uncertainty Quantification in Structural Dynamics,
16th World Congress on Computational Mechanics and 4th Pan American Congress on Computational Mechanics, July 21-26, 2024, Vancouver, Canada

Schietzold, F. N.; Heinzig, S.; Fina, M.; Graf, W.; Freitag, S.; Kaliske, M.:
Simulation of Fuzzy Probability-based Random Fields with non-Gaussian Marginal Distributions by an Efficient NATAF Transformation Method, 
34th European Safety and Reliability Conference (ESREL), 23-27 June, 2024, Cracow, Poland
https://esrel2024.com/wp-content/uploads/articles/ea2/simulation-of-fuzzy-probability-based-random-fields-with-non-gaussian-marginal-distributions-by-efficient-nataf-transformation-method.pdf

Fina, M.; Schietzold, F. N.; Heinzig, S.; Freitag, S.; Graf, W.; Kaliske, M.:
Incorporation of non-Gaussian Shell Imperfections by NATAF Transformation in Efficient Random Field Simulation, 
34th European Safety and Reliability Conference (ESREL), 23-27 June, 2024, Cracow, Poland
https://esrel2024.com/wp-content/uploads/articles/ea2/incorporation-of-non-gaussian-shell-imperfections-by-nataf-transformation-in-efficient-random-field-simulation.pdf

Rutsch, F.; Fina, M.; Freitag, S.; Weeger, O.:
Structural Topology Optimization based on Augmented Lagrangian Method to consider Stress and Displacement Constraints,
9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS),
3-7 June 2024, Lisbon, Portugal

Schweizer, M.; Fina, M.; Wagner, W.; Kasic, S.; Freitag, S.:
Uncertain pedestrian load modeling for structural vibration assessment in footbridge design
Engineering Structures, 311, 118070, 2024
https://doi.org/10.1016/j.engstruct.2024.118070
awarded by Engineering Structures as the Featured Article for Volume 311, July 2024

Schweizer, M.; Fina, M.; Wagner, W.; Freitag, S.:
Artificial neural network surrogate modelling for random fields in structural stability,
8th International Symposium on Uncertainty Modelling and Analysis, 
April 25-28, 2024, Shanghai, China

Rutsch, F.; Fina, M.; Freitag, S.; Weeger, O.:
Topology Optimization of Continuum Structures using Simultaneous Stress and Displacement Constraints,
94rd GAMM Annual Meeting, March 18 - 22, 2024, Magdeburg, Germany

Fina, M.; Schweizer, M.; Wagner, W.; Freitag, S.:
Dynamische Tragwerksanalyse von Fußgängerbrücken mit unscharfen Parametern
15. Fachtagung Baustatik-Baupraxis, March 4-5, 2024, Hamburg
 

2023

Fina, M.; Wagner, W.; Graf, W.:
On polymorphic uncertainty modeling in shell buckling, 
Computer-Aided Civil and Infrastructure Engineering, 38 (18), 2023, pp. 2632 – 2647
https://doi.org/10.1111/mice.13054

Fina, M.; Schweizer, M.; Wagner, W.; Freitag, S.:
Human-induced vibrations of footbridges: modeling with polymorphic uncertainties,
10th GACM Colloquium on Computational Mechanics, September 10-13, 2023, Vienna, Austria

Schweizer, M.; Fina, M.; Wagner, W.; Freitag S.:
Simulation of Human-induced Vibrations of Footbridges with Polymorphic Uncertain Data,
Forschungskolloquium FE ohne Schnee, 30.07.-02.08.2023, Hirschegg, Austria.

Fina, M.; Faes, M. G. R.; Valdebenito, M. A.; Wagner, W.; Freitag, S.; Broggi, M.; Beer, M.:
Uncertainty Quantification of Buckling Loads of Framed Structures Applying Linear and Nonlinear Analysis
14th International Conference on Applications of Statistics and Probability in Civil Engineering,
July 09-13, 2023, Dublin, Ireland. 
Link

Fina, M.; Wagner, W.; Freitag, S.; Valdebenito, M. A.; Faes, M. G. R.; Broggi, M.; Beer, M.:
Stochastic buckling loads of thin-walled structures combining linear and nonlinear analysis,
93rd GAMM Annual Meeting, May 30 - June 2, 2023, Dresden, Germany

Fina, M.; Lauff, C.; Faes, M.G.R.; Valdebenito, M.A.; Wagner, W.; Freitag, S.: 
Bounding Imprecise Failure Probabilities in Structural Mechanics based on Maximum Standard Deviation, Structural Safety (101) 2023, 102293,
https://doi.org/10.1016/j.strusafe.2022.102293

2022

Fina, M.; Wagner, W.; Freitag, S.:
Uncertainty quantification of shell imperfections with limited data
SPP1886-Workshop - Interactions and Multi-Physical Behavior Considering Uncertain Data, 20-21 October, 2022, Karlsruhe, Germany

Faes, M. G.; Fina, M.; Lauff, C.; Valdebenito, M. A.; Wagner, W.; Freitag, S.:
Bounding the first excursion probability of stochastic oscillators under randomness and imprecision, 
International Conference on Noise and Vibration Engineering (ISMA), 12-14 September 2022, Leuven, Belgium

Fina, M.; Faes, M. G. R.; Valdebenito, M. A.; Wagner, W.; Broggi, M.; Beer, M.; Freitag, S.:
Estimation of Second-order Statistics of Buckling Loads Applying Linear and Nonlinear Analysis,
8th International Symposium on Reliability Engineering and Risk Management (ISRERM),
September 4-7, 2022, Hannover, Germany, ISBN:978-981-18-5184-1,
https://doi.org/10.3850/978-981-18-5184-1_MS-15-145-cd

Faes, M. G. R.; Fina, M.; Valdebenito, M. A.; Lauff, C.; Wagner, W.; Freitag, S.; Beer, M.:
Bounding Failure Probabilities in Imprecise Stochastic FE models,
8th International Symposium on Reliability Engineering and Risk Management (ISRERM),
September 4-7, 2022, Hannover, Germany, ISBN:978-981-18-5184-1,
https://doi.org/10.3850/978-981-18-5184-1_MS-15-141-cd

Fina, M.; Lauff, C.; Wagner, W.:
Optimal shell design with polymorphic uncertain parameters,
8th International Symposium on Reliability Engineering and Risk Management (ISRERM),
September 4-7, 2022, Hannover, Germany, ISBN:978-981-18-5184-1,
https://doi.org/10.3850/978-981-18-5184-1_MS-12-019-cd

Fina, M.; Wagner, W.; Freitag, S.:
Shell buckling with uncertainty quantification under limited data
8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS), 5-9 June, 2022, Oslo, Norway
 

2021

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

Fina, M.:
Polymorphe Unschärfemodellierung in der nichtlinearen Strukturmechanik - Stabilität von Schalentragwerken, räumliche Variabilität und Metamodellierung,
Dissertation, Institut für Baustatik, KIT, 2020,
https://doi.org/10.5445/IR/1000129960

2020

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

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.

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

Fina, M.; Sutter, F.; Wagner, W.:
Zur Monte-Carlo-Simulation für dynamische Stabilitätsuntersuchungen imperfekter Kreiszylinderschalen,
Forschungskolloquium FE im Schnee,
25.03.-28.03.2018, Hirschegg, Austria.

Lauterbach, S.; Fina, M.; Wagner, W.:
Influence of stochastic geometric imperfections on the load-carrying behaviour of thin-
walled structures using constrained random fields, Computational Mechanics (62) 2018, 1107–1125,
https://doi.org/10.1007/s00466-018-1554-0

2017

Fina, M.; Wagner, W.:
Numerical Stability Analysis with Polymorphic Uncertainty Modelling under Consideration of Spatial Varying Imperfections,
in M. Voigt, D. Proske, W. Graf, M. Beer, U. Häußler-Combe, P. Voigt (Eds.) Proc. of the 15th International Probabilistic Workshop & 10th Dresdner Probabilistic Workshop,
2017 TUDpress, 61-71, ISBN: 978-3-95908-113-9, Dresden 27-29 September 2017, Germany.

Fina, M.; Wagner, W.:
Einfluss von räumlich korrelierten, zufallsverteilten Imperfektionen auf das Beulverhalten dünnwandiger Tragwerke,
in G. Meschke, S. Freitag, C. Birk, J. Menkenhagen, T. Ricken (eds.) Baustatik-Baupraxis 13-Bochum, 2017, 545-552, 
ISBN 978-3-00-055827-6.
Link


2016

Fina, M.; Wagner, W.:
On the Impact of the Correlation Length on the Buckling Behaviour
of Thin Walled Structures with Randomly Distributed Imperfections,
12 th World Congress on Computational Mechanics (WCCM XII), July 24-29, 2016, Seoul.

 

2015

Fina, M.; Lauterbach, S.; Wagner, W.:
Numerical Stochastic Buckling Analysis of Structures with
Randomly Distributed Geometrical and Material Imperfections,
in E. Patelli & I. Kougioumtzoglou (Eds.) Proc. of the 13th International Probabilistic Workshop (IPW 2015), 
Research Publishing, 310-321, ISBN: 978-981-09-7963-8, Liverpool-UK, 4-6 November 2015.
https://rpsonline.com.sg/rps2prod/ipw2015/pdf/041.pdf

Fina, M.; Lauterbach, S.; Wagner, W.:
Numerische Stabilitätsuntersuchungen von Tragwerken mit stochastisch
verteilten geometrischen und materiellen Imperfektionen,
Forschungskolloquium Baustatik-Baupraxis 2015,
Döllnsee, 15.09.-18.09.2015.