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School of Engineering

Lightweight Design

Competences of the focus group Light Weight Design

The focus group Light Weight Design develops and researches weight-optimised and usually very highly stressed, partly safety-critical structures. The competences here range from conception to design, simulation, dimensioning, mechatronics and measurement technology to prototype construction. Applications are found in railway and special vehicles, in aircraft and drones, and increasingly in highly dynamically loaded mechanisms and systems. The simulation of extremely short-time processes in the millisecond range on the institute's own computing cluster with more than 400 CPUs using explicit hydrocodes is therefore another focus of the group, together with fluid-structure interaction analyses (FSI) and multidisciplinary optimisation of structures. Among other things, new algorithmic methods such as machine learning are being researched in order to model highly complex physical phenomena of  different kind more efficiently and accurately, thereby reducing the large amounts of data by means of Reduced Order Models (MOR). Finally, the group is also active in the field of aeroelasticity, i.e. the interaction between aerodynamic excitation and structural vibrations occurring for example in the rotor blades of wind turbines. The compilation of expert opinions and damage analyses with respect to structural integrity including welded structures, together with dedicated knowledge of the relevant standards in the areas of application, round off the range of expertise.

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Publications

Huber, Cyril; Eberlein, Robert; Kappeler, Robin; Fehr, Roland; Scarfe, Peter; Mörgeli, Thomas; Noir, Jérome, 2015. Flüssiges Natrium mit einem Standardwerkstoff abdichten. In:Berger, Karl-Friedrich; Kiefer, Sandra, Hrsg., Dichtungstechnik Jahrbuch 2016. Mannheim: ISGATEC. S. 181-188.

Huber, Cyril; Eberlein, Robert; Fehr, Roland; Scarfe, Peter; Noir, Jérome; Mörgeli, Thomas, 2015.Heiss, hochreaktiv und hochbelastet : flüssiges Natrium in einer Planetenmagnetfeld-Forschungseinrichtung mit einem Standardwerkstoff abdichten. Dicht! Trialog der Dichtungs- und Klebetechnik. 2015(2), S. 32-33.

Leutenegger, Simon; Huber, Cyril; Fehr, Roland; Hartwig, Markus; Bossert, David, 2017. Der Aluminium-Wagenkasten 4.1 : Leichtbau durch integrierte FSW-Sandwiches. In: 15. Internationale Schienenfahrzeugtagung: Dresden Rad Schiene, 1.-3. März 2017.

Da Ronch, Andrea; Ventura, Antonino; Righi, Marcello; Franciolini, Matteo; Berci, Marco; Kharlamov, Daniel, 2018. Extension of analytical indicial aerodynamics to generic trapezoidal wings in subsonic flow. Chinese Journal of Aeronautics.31(4), S. 617-631.Verfügbar unter: https://doi.org/10.1016/j.cja.2018.02.008

Righi, Marcello, 2016.A gas-kinetic scheme for turbulent flow. Flow, Turbulence and Combustion. 97(1), S. 121-139. Verfügbar unter: https://doi.org/10.1007/s10494-015-9677-2

Righi, Marcello, 2014.A modified gas-kinetic scheme for turbulent flow. Communications in Computational Physics. 16(1), S. 239-263. Verfügbar unter: https://doi.org/10.4208/cicp.140813.021213a

Righi, Marcello, 2013. A finite-volume gas-kinetic method for the solution of the Navier-Stokes equations.The Aeronautical Journal. 117(1191), S. 605-616. Verfügbar unter: https://doi.org/10.1017/S000192400000823X

Manfriani, Leonardo; Ammann, Michael; Righi, Marcello, 2012. Experimental aerodynamic analysis of a slow running vertical axis wind turbine [Paper]. In: Proceedings of the RAeS Applied Aerodynamics Conference 2012. RAeS Applied Aerodynamics Conference, Bristol, United Kingdom, 17-19 July 2012.

Righi, Marcello,  2016. RANS-LES hybrid turbulence modelling for aeroelastic problems : test case 3 in the second aeroelastic prediction workshop [Paper]. In: Proceedings of the 34th AIAA Applied Aerodynamics Conference. 34th AIAA Applied Aerodynamics Conference, Washington, D.C., USA, 13-17 June 2016. AIAA AVIATION Forum. Verfügbar unter: https://doi.org/10.2514/MAPA16

Da Ronch, Andrea; Berci, Marco; Righi, Marcello, 2016.Subsonic indicial aerodynamics for the unsteady loads of trapezoidal wings [Paper]. In: Proceedings of the 34th AIAA Applies aerodynamics Conference. 34th AIAA Applied Aerodynamics Conference, Washington, D.C., USA, 13-17 June 2016. Washington, D.C.: AIAA AVIATION Forum. Verfügbar unter: https://doi.org/10.2514/MAPA16

Righi, Marcello, 2016. Turbulence modelling in aeroelastic problems [Paper]. In: Proceedings of 11th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements. 11th International  Symposium on Engineering Turbulence Modelling and Measurements (ERCOFTAC), Palermo, Italy, 21-23 September 2016. ERCOFTAC.

Righi, Marcello, 2016. Turbulence modelling techniques in aeroelastic problems : results and comments from the second AIAA aeroelastic prediction workshop [Paper]. In: 6th EASN International Conference on Innovation in European Aeronautics Research, Porto, Portugal, 18-21 October 2016.

Righi, Marcello, 2015. A numerical scheme for hypersonic turbulent flow : AIAA 2015-3341 [Paper]. In: Proceedings of the 45th Fluid Dynamics Conference : Hypersonic and Chemically-Reacting Flows. 45th AIAA Fluid Dynamics Conference «Hypersonic and Chemically-Reacting Flows» Dallas TX, USA, 22-26 June 2015. AI AA AVIATION Forum. Verfügbar unter: https://doi.org/10.2514/MFD15

Righi, Marcello; Koch, Jan, 2015. High-fidelity aeroelasticity [Paper]. In: Platform for Advanced Scientific Computing Conference 2015, Zürich, 01-03 June 2015.

Da Ronch, Andrea; Berci, Marco; Righi, Marcello, 2015. Subsonic indicial aerodynamics for unsteady loads calculation via numerical and analytical methods : a preliminary assessment : AIAA 2015-3170 [Paper]. In: Proceedings of the 33rd Applied Aerodynamics Conference : Unsteady Flows. 33rd AIAA Applied Aerodynamics Conference, Dallas, USA, 22-26 June 2015. AIAA AVIATION Forum. Verfügbar unter: https://doi.org/10.2514/MAPA15

Righi, Marcello, 2014. A gas - kinetic scheme for turbulent flow [Paper]. In: Proceedings of the 10th International ERCOFTAC Symposium on Engineering Turbulence Modelling and Measurements : ETMM10. 10th International ERCOFTAC Symposium (ETMM10), Marbella, Spain, 17-19 September 2014. ETMM10.

Righi, Marcello, 2014. A gas-kinetic scheme for the simulation of turbulent flow [Paper]. In: Proceedings of the 29th International Symposium on Rarefied Gas Dynamics. 29th International Symposium on Rarefied Gas Dynamics, Xi'an, China, 13-18 July 2014. Xi'an: RGD29.

Manfriani, Leonardo; Righi, Marcello, 2014. Aerodynamic design of a boom for air-to-air refuelling [Paper]. In: Proceedings of the RAeS Applied Aerodynamics Conference 2014.RAeS Applied Aerodynamics Conference, Bristol, United Kingdom, 22-24 July 2014.

Righi, Marcello, 2013. A gas-kinetic scheme for the simulation of turbulent flows [Paper]. In: 28th Internaltional Symposium on Rarefied Gas Dynamics 2012. 28th International Symposium on Rarefied Gas Dynamics, Zaragoza, Spain, 9-13 July 2012.American Institute of Physics.S. 481-488.

Righi, Marcello, 2012. A finite-volume gas-kinetic method for the solution of the Navier-Stokes equations [Paper]. In: Proceedings of the RAeS Applied Aerodynamics Conference. RAeS Applied Aerodynamics Conference, Bristol, United Kingdom, 17-19 July 2012. London: Royal Aeronautical Society.