Wissenschaftliche Mitarbeiter

 Übungsleiter:

• Technische Mechanik (TM) (Bachelor)
• Technische Strömungslehre (TSL) (Bachelor)
• Strömungsmechanik (SM) (Master)
• Numerische Strömungsmechanik (CFD) (Master)

Forschungsthema:

Numerical Simulation of Fluid-Structure Interaction using Large-Eddy Simulation

Publikationen

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Artikel in begutachteten internationalen Journalen:

De Nayer, G., Breuer, M.: Assessment of discrete wind gust parameters: Towards the worst-case scenario of a FSI application in form of an inflated hemisphere. Journal of Wind Engineering and Industrial Aerodynamics, Vol. 231, 105207, Dezember 2022

De Nayer, G., Breuer, M.: FSI simulations of wind gusts impacting an air-inflated flexible membrane at Re=100,000. Journal of Fluids and Structures, vol. 109, 103462, (2022).

Boulbrachene, K., De Nayer, G., Breuer, M.: Assessment of two wind gust injection methods: Field velocity vs. split velocity method. Journal of Wind Engineering and Industrial Aerodynamics, vol. 218, 104790, (2021).

De Nayer, G., Breuer, M.: A source-term formulation for injecting wind gusts in CFD simulations. Journal of Wind Engineering and Industrial Aerodynamics, vol. 207, 104405, (2020).

De Nayer, G., Breuer, M., Wood, J.N.: Numerical investigations on the dynamic behavior of a 2-DOF airfoil in the transitional Re number regime based on fully coupled simulations relying on an eddy-resolving technique. International Journal of Heat and Fluid Flow,vol. 85, 108631, (2020).

Wood, J.N., Breuer, M., De Nayer, G.: Experimental investigations on the dynamic behavior of a 2-DOF airfoil in the transitional Re number regime based on digital-image correlation measurements. Journal of Fluids and Structures, vol. 96, 103052, (2020).

Apostolatos A, De Nayer, G., Bletzinger, K.U., Breuer, M. and Wüchner, R.: Systematic evaluation of the interface description for fluid-structure interaction simulations using the isogeometric mortar-based mapping, Journal of Fluids and Structures, vol. 86, pp. 368-399, (2019).

De Nayer, G., Apostolatos A, Wood, J.N., Bletzinger, K.U., Wüchner, R. and Breuer, M.: Numerical Studies on the Instantaneous Fluid-Structure Interaction of an Air-Inflated Flexible Membrane in Turbulent Flow, Journal of Fluids and Structures, vol. 82, pp. 577-609, (2018).

Wood, J.N., Breuer, M., De Nayer, G.: Experimental studies on the instantaneous fluid-structure interaction of an air-inflated flexible membrane in turbulent flow, Journal of Fluids and Structures, vol. 80, pp. 405-440, (2018).

De Nayer, G., Schmidt, S., Wood, J. N. and Breuer, M.: Enhanced injection method for synthetically generated turbulence within the flow domain of eddy-resolving simulations, Computers & Mathematics with Applications, vol. 75 (7), pp. 2338-2355, (2018).

Sen, S., De Nayer, G. and Breuer, M.: A fast and robust hybrid method for block‐structured mesh deformation with emphasis on FSI‐LES applications, Int. Journal for Numerical Methods in Engineering, vol. 111 (3), pp. 273-300, (2017).

Wood, J. N., De Nayer, G., Schmidt, S. and Breuer, M.: Experimental Investigation and Large-Eddy Simulation of the Turbulent Flow past a Smooth and Rigid Hemisphere. Flow, Turbulence & Combustion, vol. 97 (1), pp. 79-119, (2016).

De Nayer, G. and Breuer, M.: Numerical FSI Investigation based on LES: Flow past a cylinder with a flexible splitter plate involving large deformations (FSI-PfS-2a). Int. Journal of Heat and Fluid Flow, vol. 50, pp. 300-315, (2014).

De Nayer, G., Kalmbach, A. Breuer, M., Sicklinger S., Wüchner R.: Flow past a cylinder with a flexible splitter plate: a complementary experimental-numerical investigation and a new FSI test case (FSI-PfS-1a). Computers and Fluids, vol. 99, pp. 18-43, (2014).

Breuer, M., De Nayer, G., Münsch, M., Gallinger, T., Wüchner, R.: Fluid-Structure Interaction Using a Partitioned Coupled Predictor-Corrector Scheme for the Application of Large-Eddy Simulation, Journal of Fluids and Structures, vol. 29, pp. 107-130, (2012).

Boyer, F., De Nayer, G., Leroyer A. and Visonneau, M.: Geometrically Exact Kirchhoff Beam Theory: Application to Cable Dynamics, J. Comput. Nonlinear Dynam. Volume 6, Issue 4, (2011).

Konferenzen mit Konferenzbänden:

De Nayer, G. Breuer, M.: Injection of Wind Gusts in Large-Eddy Simulations. Proceedings of the 13th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM13), Rhodes/online, Greece, Sept. 15-17 (2021).

De Nayer, G., Wood, J.N., Apostolatos, A. and Breuer, M.: FSI Investigations of a flexible air-inflated thin-walled structure: An LES Study with Experimental Validation, Proceedings of the 12th International ERCOFTAC Workshop on DNS and LES: DLES-12, University of Madrid, Spain, June 5-7, (2019).

De Nayer, G., Wood, J.N., Breuer, M., Apostolatos, A., Wüchner, R.: Coupled Simulations Involving Light-weight Structures within Turbulent Flows: A Complementary Experimental and Numerical Application, Proceedings in Applied Mathematics and Mechanics (PAMM), 89th Annual Meeting of the International Association of Applied Mathematics and Mechanics, GAMM89, Munich, Germany, March 19-23, (2018).

Wüchner, R., Apostolatos, A., De Nayer, G., Breuer, M., Bletzinger, K.-U.: Coupled Simulations involving light-weight structures within turbulent flows: FSI strategy and non-matching interface treatment for isogeometric B-Rep analysis, Proceedings in Applied Mathematics and Mechanics (PAMM), 89th Annual Meeting of the International Association of Applied Mathematics and Mechanics, GAMM89, Munich, Germany, March 19-23, (2018).

De Nayer, G., Breuer, M, Perali, P. and Grollmann, K.: Modeling of Wind Gusts for Large-Eddy Simulations Related to Fluid-Structure Interactions, Proceedings of the 11th Int. ERCOFTAC Workshop on DNS and LES (DLES-11), University of Pisa, Italy, May 29-31, (2017).

De Nayer, G., Schmidt, S., Wood, J.N. and Breuer, M.: Investigations on the flow past a wall-mounted hemisphere based on LES and synthetically generated turbulence. Proceedings of the 11th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements (ETMM11), Palermo, Sicily/Italy, Sept. 21-23, (2016).

Breuer, M., De Nayer, G. and Wood, J.N.: Complementary Experimental-Numerical Investigation of the Flow past a Rigid and Flexible Hemisphere in Turbulent Flow: Part II: Numerical Simulations. GALA 2016 (Experimentelle Strömungsmechanik), Cottbus, Germany, Sept. 6-8, (2016).

Kalmbach, A., De Nayer, G. and Breuer, M.: A New Turbulent Three-dimensional FSI Benchmark FSI-PfS-3a: Definition and Measurements. Proceedings of 5th Conf. on Computational Methods in Marine Engineering (MARINE 2013), Hamburg, Germany, May 29-31, (2013).

De Nayer, G., Breuer, M., Kalmbach, A.: Fluid-Structure Interaction in Turbulent Flows: LES Predictions and PIV Measurements, ECCOMAS 2012, Vienna, Austria, Sept. 10-14, (2012).

Breuer, M., De Nayer, G., Münsch, M.: Fluid-Structure Interaction of a Flexible Structure in a Turbulent Flow using LES, Proceedings of the Eighth International ERCOFTAC Workshop on DNS and LES: DLES-8, Eindhoven University of Technology, The Netherlands, July 7-9, (2010), ERCOFTAC Series, vol. 15, pp. 449-454, Direct and Large-Eddy Simulation VIII, eds. H. Kuerten, B.J. Geurts, V. Armenio, J. Fröhlich, ISBN 978-94-007-2481-5, SpringerScience+Business Media B.V., (2011).

De Nayer, G., Visonneau, M., Leroyer, A. and Boyer, F.: Interaction Fluide-Structure pour les corps élancés, 19ème Congrès Français de Mécanique, Marseille, France, Aug. 24-28, (2009).

De Nayer, G., Visonneau, M., Leroyer, A. and Boyer, F.: Large Deformation on Elongated Bodies., 9th International Conference on Flow-Induced Vibrations: FIV2008, Prague, Czech Republic, June 30–July 3, (2008).

 

Konferenzen:

Wood, J.N., De Nayer, G. and Breuer, M.: Parry the Attack of the Simulators: Why Experiments are necessary to validate and complement Numerical Simulations: Fluid-Structure Interaction of a Membranous Structure. 8th International Conference on Computational Methods for Coupled Problems in Science and Engineering (Coupled Problems 2019), Sitges, Spain, June 3-5, (2019).

Wüchner, R., Apostolatos, A., De Nayer, G., Breuer, M., Rossi, R., Bletzinger, K.-U.: Enabling smooth interfaces in FSI by the Isogeometric B-Rep Analysis of shells and membranes, ECCM-ECFD 2018, Glasgow, UK, June 11-15, (2018).

De Nayer, G., Apostolatos, A., Wood, J.N., Breuer, M., Wüchner, R.: Fluid-Structure Interaction of an Air-inflated Membranous Hemisphere in Turbulent Flow based on Large-Eddy Simulation, 8th International Conference on Textile Composites and Inflatable Structures, Structural Membranes 2017, Munich, Germany, October 9-11, (2017).

Wüchner, R., Apostolatos, A., De Nayer, G. Breuer, M., Bletzinger, K.-U.: Non-matching interface treatment for isogeometric B-Rep analysis of light-weight, thin-walled structures coupled to LES, 7th Int. Conf. on Coupled Problems in Science and Engineering, Coupled Problems 2017, Rhodes Island, Greece, June 12-14, (2017).

De Nayer, G., Kalmbach, A., Breuer, M.: Large-Eddy Simulation and Evaluation of the Turbulent Fluid-Structure Interaction Benchmark FSI-PfS-2A, WCCM-ECCM-ECFD 2014, Barcelona, Spain, July 20-25, (2014).

De Nayer, G., Breuer, M.: Fluid-Structure Interaction of Thin Structures in Turbulent Flows, SuperMUC Review Workshop, Garching, Germany, July 8-9, (2014).

Breuer M., Kalmbach, A. and De Nayer G.: New challenging turbulent FSI benchmarks – Measurements and simulations, 5th Conf. on Computational Methods for Coupled Problems in Science and Engineering (COUPLED 2013), Ibiza, Spain, June 17-19, (2013).

Breuer M., De Nayer G. and Kalmbach, A.: A New Turbulent FSI Benchmark FSI-PfS-1: Simulations and Measurements, 5th Conf. on Computational Methods in Marine Engineering (MARINE 2013), Hamburg, Germany, May 29-31, (2013).

De Nayer, G., Breuer, M., Münsch, M.: Fluid-Structure Interaction Simulation of Laminar and Turbulent Flows, 4th GACM Colloquium on Computational Mechanics, Technische Universität Dresden, Germany, Aug. 31-Sept. 2 (2011).

Breuer, M., De Nayer, G., Münsch, M.: Numerical Simulation of Fluid-Structure Interaction using Large-Eddy Simulation, 4th Int. Conf. on Coupled Problems in Science and Engineering, Coupled Problems 2011, Kos, Greece, June 20-22, (2011).

Andere:

Eric Gedenk: Helmut-Schmidt University Researchers Use HPC in Hopes of Restraining the Wind, Gauss Centre for Supercomputing, (2020). Volltext auf hpcwire.com

Wood, J. N., De Nayer, G., Schmidt, S., Breuer, M.: Test case on QNET ERCOFTAC database (Underlying Flow Regime 3-33): Turbulent flow past a wall-mounted hemisphere. : ERCOFTAC (2016)

Kalmbach, A., De Nayer, G., Breuer, M.: Test case on QNET ERCOFTAC database (Underlying Flow Regime 2-14): Fluid-structure interaction in turbulent flow past cylinder/plate configuration I (First swiveling mode). ERCOFTAC (2014).

De Nayer, G., Kalmbach, A., Breuer, M.: Test case on QNET ERCOFTAC database (Underlying Flow Regime 2-13): Fluid-structure interaction in turbulent flow past cylinder/plate configuration II (Second swiveling mode). ERCOFTAC (2014).

Promotionsthema:

De Nayer, G., „Interaction Fluide-Structure pour les corps élancés“. PhD thesis (in french), Ecole Centrale Nantes, France, 2008.

available online:

ftp://ftpa.ec-nantes.fr/user/ftp-emn/pub/Thesis/these_denayer.pdf

Betreuung von Masterarbeiten:

Hartmann, C.-E., de Montigny, P.: Study of Interpolation Errors Induced by Coupling in Fluid-Structure Interaction Simulations, (2010).

Hartsuiker, J. V.: Verbesserung der Kopplung bei der Simulation der Fluid-Struktur-Interaktion mittels Subcycling, (2012).

Viets, S.: Numerische Simulation der Fluid-Struktur-Interaktion eines elastisch aufgehängten, starren Zylinders, (2013).

Riepshoff, M.: Numerische Simulation der Fluid-Struktur-Interaktion eines Referenzfalls bestehend aus Kegelstumpf und Fahne, (2013).

Wood, J. N.: Numerische Simulation der Fluid-Struktur-Interaktion bei der Umströmung einer Traglufthalle, (2013).

Perali, P.: Synthetic Turbulence Inflow Generator: Improvements and Applications, (2015).

Garay Fernandez, B.: Simulations of Turbulent Flows with Extreme Events in Form of Wind Gust, (2016).

Streher, Larissa B.: Large-eddy simulations around a NACA0012 airfoil at different angles of attack, (2017).

Streher, Larissa B.: Numerical investigations of the fluid-structure interaction of a NACA0012 airfoil based on large-eddy simulations, (2017).

Grollmann, K.: Numerische Simulation der turbulenten Strömung um ein würfelförmiges Hindernis, (2017).

Grollmann, K.: Numerische Simulation des Effekts von turbulenten Windböen auf ein würfelförmiges Hindernis, (2017).

Künzel, B.: Literature Review on Static and Dynamic Aeroelasticity of Airfoils, (2019).

Künzel, B.: Coupled Large-Eddy Simulations of Airfoil Flutter and Harmonic Oscillations, (2019).

Gutachter für internationale Journals

Publons Peer Review Profile

Übungsleiter:

• Fluid Mechanics (Eng. Science, Bachelor)
• Technische Strömungslehre (Bachelor)
• Angewandte Fluiddynamik (Master)

Forschungsthema:

Numerical Simulation of Turbulent Particle-Laden Flows with Agglomeration and Breakup

Dissertation :

Modeling and simulation of the breakage of cohesive particle agglomerates in turbulent wall-bounded flows

Publikationen:

• open HSU

Artikel in begutachteten internationalen Journalen:

Khalifa, A., Breuer, M., (2024). Evaluation of an efficient data-driven ANN model to predict agglomerate collisions within Euler-Lagrange simulations. Computers & Fluids 296, 106119.

Khalifa, A., Breuer, M., (2023). Data-driven ANN approach for binary agglomerate collisions including breakage and agglomeration. Chemical Engineering Research and Design 195, 14-27.

Khalifa, A., M. Breuer and J. Gollwitzer (2022). Neural-network based approach for modeling wall-impact breakage of agglomerates in particle-laden flows applied in Euler-Lagrange LES. Int. J. Heat Fluid Flow 94, 108897.

Khalifa, A., J. Gollwitzer and M. Breuer (2021). LES of particle-laden flow in sharp pipe bends with data-driven predictions of agglomerate breakage by wall impacts. Fluids 6 (12), 424.

Khalifa, A., Breuer, M., 2021. An efficient model for the breakage of agglomerates by wall impact applied to Euler-Lagrange LES predictions. International Journal of Multiphase Flow 142, 103625.

Khalifa, A., Breuer, M., 2020. Data-driven model for the breakage of dry monodisperse agglomerates by wall impact applicable for multiphase flow simulations.  Powder Technology 376, 241–253.

Breuer, M., Khalifa, A., 2019. Refinement of breakup models for compact powder agglomerates exposed to turbulent flows considering relevant time scales. Computers & Fluids 194, 104315.

Breuer, M., Khalifa, A., 2019. Revisiting and improving models for the breakup of compact dry powder agglomerates in turbulent flows within Eulerian–Lagrangian simulations. Powder Technology 348, 105–125.

Konferenzen mit Konferenzbänden:

A. Khalifa and M. Breuer, 2024. Euler–Lagrange LES predictions of a powder disperser including a multiscale wall-impact breakage model. In: 13th Int. ERCOFTAC Workshop on DNS and LES. Springer, pp. 89–94.

Breuer, M., and A. Khalifa, 2019. Breakup of Agglomerates in Turbulent Flows: An Euler–Lagrange LES Study. In: ERCOFTAC Workshop Direct and Large Eddy Simulation. Springer, Cham, pp. 127-133.

Forschungsthema:

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