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Nonlinear Dynamics of Interconnected Systems Research Group

Research keywords: · nonlinear dynamics · percolation · energy transfer · particle methods · numerical modelling of fluid flows · energy harvesting · renewable energy · 1D modelling
Horizon Europe keywords: · Artificial Intelligence and Robotics · Clean and healthy air, water and soil · Clean, sustainable, secure and competitive energy supply · Renewable energy · Smart and sustainable transport and mobility

Faculty of Mechanical Engineering Department of Fluid Mechanics

Dr. Tamás Kalmár-Nagy

Associate Professor

PhD

H-1111 Bertalan Lajos u. 4-6.

+3614632493

kalmar.nagy.tamas@gpk.bme.hu

Dr. Josh Davidson

Assistant Professor

Dr. Balázs Havasi-Tóth

Assistant Professor

Dr. Viktor Szente

Assistant Professor

Csanád Árpád Hubay

PhD Student

János Lelkes

PhD Student

Dr. Bak Bendegúz Dezső

Assistant Professor

Dávid András Horváth

PhD Student

Introduction of the Research Group

Systems of communicating components are crucial in a broad range of applications including space exploration, mobile sensor networks, teleoperated surgical robots, control of teams of vehicles, and integrated building systems. Interconnections are not only manifested by a communication channel, but by the inherent coupling of the states in the equations describing the system. The analysis of communicating dynamic components is timely and important.

Watch our 3-minute introductory video:

Achievements Publications Journals Infrastructure Projects Conferences

Achievements

-Reduced order modeling of long-span pedestrian bridges and free vibration wind tunnel test for bridge sections

-Analysis of energy transfer mechanisms in large DoF linear and nonlinear oscillation chains

-Development of novel percolation model to simulate mercury injection porosimetry in porous rock samples

-Development of a general-purpose particle-based simulation tool

-Simulation and analysis of renewable energy systems (wind and thermal)

-Modeling and control of dynamic instabilities in floating structures, such as ships, buoys and marine renewable energy devices

Publications

-Lelkes, János; Bak, Dezső Bendegúz; Kalmár-Nagy, Tamás, Vibrations and energy distribution in inhomogeneous rods with elastic and viscous boundary conditions, SCIENTIFIC REPORTS, 14(1), 2846, (2024).

-Lelkes, János; Horváth, Dávid András; Lendvai, Bálint; Farkas, Balázs; Bak, Dezső Bendegúz; Kalmár-Nagy, Tamás: Data-driven aerodynamic models for aeroelastic simulations, JOURNAL OF SOUND AND VIBRATION, Vol. 564, 117847, (2023).

-Bak, Dezső Bendegúz, Róbert Rochlitz, Kalmár-Nagy, Tamás: Energy transfer mechanisms in binary tree-structured oscillator with nonlinear energy sinks, NONLINEAR DYNAMICS 111: 11, pp. 9875–9888, 14 p. (2023).

-Bak, Dezső Bendegúz; Kalmár-Nagy, Tamás, A Size-Perimeter Discrete Growth Model for Percolation Clusters, COMPLEXITY Paper: 9919333, 16 p. (2021).

-Kalmár-Nagy, Tamás; Bak, Dezső Bendegúz, An intriguing analogy of Kolmogorov's scaling law in a hierarchical mass–spring–damper model, NONLINEAR DYNAMICS 95 : 4 pp. 3193-3203., 11 p. (2019).

-Bak, Dezső Bendegúz; Kalmár-Nagy, Tamás, Hierarchical Solution of the Traveling Salesman Problem with Random Dyadic Tilings, FLUCTUATION AND NOISE LETTERS 17 : 1 Paper: 1850003, 17 p. (2018).

-Kalmár-Nagy, Tamás; Giardini, Giovanni; Bak, Dezső Bendegúz, The Multi-Agent Planning Problem, COMPLEXITY Paper: 3813912, 12 p. (2017). 

-Bak, Dezső Bendegúz ; Kalmár-Nagy, Tamás, Porcolation: an invasion percolation model for mercury porosimetry, FLUCTUATION AND NOISE LETTERS 16 : 1 Paper: 1750008, 14 p. (2017).

Journals

-Nonlinear Dynamics

-Journal of Sound and Vibration

-International Journal of Nonlinear Mechanics

-Journal of Marine Science and Engineering

-Complexity

-ASME IDETC

-NODYCON

-ENOC

Infrastructure

Wind tunnels, Laser Doppler Anemometry (LDA), Particle Image Velocimetry (PIV), Vibration measurements, Computational cluster

Projects

-NRDI K OTKA, Stability and Performance of Interconnected Systems: From Networked Control Systems to Fluid Dynamics, 4 years, NRDI Office, PI

-Bendegúz Dezső Bak, Bolyai Research Scholarship, Investigation of energy transfer mechanisms in multi DoF oscillators equipped with nonlinear energy sinks, 3 years, Hungarian Academy of Sciences


Conferences

Our members are recurring attendants of the following scientific conferences:

- European Nonlinear Dynamics Conference (ENOC)

- International Nonlinear Dynamics Conference (NODYCON)

- ASME International Design Engineering Technical Conferences (IDETC)

- CMFF (Conference on Modeling of Fluid Flows)