← Louis Gagnon : Publications
revues scientifiques // scientific journals
18. Wickersheim, R., Klauck, J., Miesner, S., Gagnon, L., Keßler, M., and Krämer, E., « Multidisciplinary Applications using IAG's Rotorcraft Simulation Framework », submitted to High Performance Computing in Science and Engineering, 2022
17. Zimmer, F. and Gagnon, L., « Study on the Performance of a Cycloidal Rotor in Hover at Different Reynolds Numbers », in press and published online by the Journal of Fluids Engineering, 2023, https://doi.org/10.1115/1.4056844
16. Gagnon, L., Morandini, M., and Fournier, S. « Parametric optimization of a cyclogiro aircraft design for efficient hover with aeroelastic considerations », accompanying code, Journal of Applied and Computational Mechanics, 7(3):1774-1787, 2021, doi:10.22055/jacm.2021.35872.2752
15. Gagnon, L. « Numerical Investigation of Aerodynamic Fairings on a Cycloidal Rotor », accompanying videos, in New Results in Numerical and Experimental Fluid Mechanics XIII. STAB/DGLR Symposium 2020, Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 151. Springer, Cham., Edited by Dillmann A., Heller G., Krämer E., Wagner C., 2021, https://doi.org/10.1007/978-3-030-79561-0_33
14. Gagnon, L., Morandini, M., and Ghiringhelli, G.L., « A review of friction damping modeling and testing », Archive of Applied Mechanics, 90:107-126, 2020, doi:10.1007/s00419-019-01600-6
13. Gagnon, L., Morandini, M., and Ghiringhelli, G.L., « A review of particle damping modeling and testing », Journal of Sound and Vibration, 459, 2019, doi: 10.1016/j.jsv.2019.114865
12. Gagnon, L., Quaranta, G., and Schwaiger, M., « Open Source 3D CFD of a Quadrotor Cyclogyro Aircraft », OpenFOAM® (Selected papers of the 11th Workshop), Edited by Nóbrega J., Jasak H., 2019, doi: 10.1007/978-3-319-60846-4_27
11. Gagnon, L., Quaranta, G., Schwaiger, M., and Wills, D., « Aerodynamic analysis of an unmanned cyclogiro aircraft », accompanying videos, SAE Tech Paper 2018-01-6005, 2018, doi: 10.4271/2018-01-6005
10. Gagnon, L., Morandini, M., Quaranta, G., Masarati, P., Xisto, C.M., and Páscoa, J.C., « Aeroelastic Analysis of a Cycloidal Rotor Under Various Operating Conditions », AIAA Journal of Aircraft, 55(4):1675-1688, 2018, doi: 10.2514/1.C034005
9. Xisto, C.M., Leger, J.A., Páscoa, J.C., Gagnon, L., Masarati, P., Angeli, D., and Dumas, A. « Parametric Analysis of a Large-scale Cycloidal Rotor in Hovering Conditions », Journal of Aerospace Engineering, 30(1), 2017, doi: 10.1061/(ASCE)AS.1943-5525.0000658
8. Gagnon, L., Morandini, M., Quaranta, G., Muscarello, V., and Masarati, P., « Aerodynamic models for cycloidal rotor analysis
», J. of Aircraft Engineering and Aerospace Technology, 88(2):215-231, 2016, doi: 10.1108/AEAT-02-2015-0047
7. Bilodeau, J.-P., Gagnon, L., and Doré, G., « Assessment of the relationship between the International Roughness Index and dynamic loading of heavy vehicles », Int. J. of Pavement Engineering, 18(8):693-701, 2017, doi: 10.1080/10298436.2015.1121780
6. Gagnon, L., Richard, M.J., and Doré, G., « A multibody dynamics model to assess the impact of road unevenness on the efficiency of a semitrailer truck », Int. J. of Vehicle Systems Modelling and Testing, 10(1):1-28, 2015, doi: 10.1504/IJVSMT.2015.067519
5. Múčka, P., and Gagnon, L., « Influence of tyre-road contact model on vehicle vibration response », Vehicle System Dynamics, 53(9):1227-1246, 2015, doi: 10.1080/00423114.2015.1041992
4. Gagnon, L., Doré, G., and Richard, M.J., « An overview of various new road profile quality evaluation criteria : part 1 », Int. J. of Pavement Engineering, 16(3):224-238, 2015, doi: 10.1080/10298436.2014.942814
3. Gagnon, L., Doré, G., and Richard, M.J., « An overview of various new road profile quality evaluation criteria : part 2 », Int. J. of Pavement Engineering, 16(9):784-796, 2015, doi: 10.1080/10298436.2014.960998
2. Gagnon, L., Richard, M.J., Masarati P., Morandini, M., and Doré, G., « An Implicit Ring Tire Model for Multibody Simulation with Energy Dissipation », Tire Science and Technology, 42(2):62-84, 2014, url: http://tiresciencetechnology.org/doi/abs/10.2346/tire.14.420203
1. Gagnon, L., Richard, M.J., and Lévesque, B., « Simulation of a rotating device that reduces the aerodynamic drag of an automobile », Trans. Can. Soc. Mech. Eng., 35(2):229-249, 2011, url: http://www.nrcresearchpress.com/doi/abs/10.1139/tcsme-2011-0014
thèses // theses
Gagnon, L., « Développement d'un modèle dynamique et quantification de l'influence du profil de la route sur un véhicule », PhD Thesis, Laval University, Québec, Canada, 2013, url: https://corpus.ulaval.ca/jspui/bitstream/20.500.11794/24218/1/30171.pdf
Gagnon, L., « Calcul de la résistance aérodynamique d’un véhicule muni de pièces en mouvement », Master's Thesis, Laval University, Québec, Canada, 2010, url: https://corpus.ulaval.ca/jspui/bitstream/20.500.11794/21795/1/27288.pdf
thèses supervisées // supervised theses
8. Kasper, K., « Using URANS CFD to Optimize the Pitching Motion and Path of the Cycloidal Rotor Blades », Master's Thesis, Stuttgart University, Stuttgart, Germany, 2022.
7. Donners, L., « Experimental validation of a cycloidal rotor URANS CFD model and geometric parameter optimization », Bachelor's Thesis, accompanying code, Stuttgart University, Stuttgart, Germany, 2022.
6. Schließus, J., « Create a Fluid-Structure Simulation Framework for Cycloidal Rotors », Bachelor's Thesis, accompanying code, Stuttgart University, Stuttgart, Germany, 2021.
5. Huang, D., « Evaluate the Performance of a Camber Controlled Cycloidal Rotor », Master's Thesis, accompanying code, Stuttgart University, Stuttgart, Germany, 2021.
4. Zimmer, F., « Investigation of the Reynolds Number on the Performance of a Cycloidal Rotor », Bachelor's Thesis, accompanying video, Stuttgart University, Stuttgart, Germany, 2021, url: https://stg.ibs-bw.de/aDISWeb/app?service=direct/0/Home/$DirectLink&sp=SOPAC02&sp=SAKSWB-IdNr1763925978
3. Ehrenfeld, S., « Development of a Trim Method for Cycloidal Rotor in a CFD Simulation », Bachelor's Thesis, Stuttgart University, Stuttgart, Germany, 2021, url: https://stg.ibs-bw.de/aDISWeb/app?service=direct/0/Home/$DirectLink&sp=SOPAC02&sp=SAKSWB-IdNr175543488X
2. Ganzmann, J., « CFD Simulation of VTOL-Cyclogyros using Chimera / Overset Mesh Motion », Bachelor's Thesis, Stuttgart University, Stuttgart, Germany, 2020, url: https://stg.ibs-bw.de/aDISWeb/app?service=direct/0/Home/$DirectLink&sp=SOPAC02&sp=SAKSWB-IdNr1742240755
1. Cogan, S., « CFD-based optimization of cyclorortor performance with varying Reynold's number and pitching function », Bachelor's Thesis, Stuttgart University, Stuttgart, Germany, 2020, url: https://stg.ibs-bw.de/aDISWeb/app?service=direct/0/Home/$DirectLink&sp=SOPAC02&sp=SAKSWB-IdNr1742829899
congrès scientifiques // academic conferences
25. Gagnon, L.*, « What 3 years as a guest at IAG-Stuttgart brought to cyclorotor simulation: an overview of progress and results », presentation only, 5th French/Belgian OpenFOAM® users conference, Lyon, France, 17-18 May 2022
24. Schließus, J.* and Gagnon, L. « Parallel Fluid-Structure Simulation of Cycloidal Rotors », abstract and presentation, accompanying code, presentation pdf, presentation video, Multi-scale, Multi-physics and Coupled Problems on Highly Parallel Systems (MMCP22) workshop, HPC Asia 2022, held virtually, January 14, Kobe, Japan, 2022
23. Huang, D.* and Gagnon, L. « Relying on Dynamically Morphing Blades to Increase the Efficiency of a Cycloidal Rotor », accompanying code, presentation pdf, accompanying videos, 11th European Aeronautics Science Network International Conference, held virtually, September 1 to 4, 2021, doi: 10.1088/1757-899X/1226/1/012014
23. Cogan, S.* and Gagnon, L. « Numerical Analysis of Cyclorotor Aerodynamic Properties in Hovering State », presented two years in a row due to a technical issue with publication, presentation pdf, accompanying video, 11th European Aeronautics Science Network International Conference, held virtually, September 1 to 4, 2021, doi: 10.1088/1757-899X/1226/1/012039
22. Ganzmann, J.* and Gagnon, L. « Study of the Overset Approach for Simulating Cycloidal Rotors and Comparison to other Rigid Mesh Motion Approaches », presentation only, 16th OpenFOAM Workshop, held virtually, June 8-11, 2021
21. Cogan, S.* and Gagnon, L. « Numerical Analysis of Cyclorotor Aerodynamic Properties in Hovering State », paper will be published at the next conference, 10th European Aeronautics Science Network International Conference, held virtually, September 2 to 4, 2020
20. Gagnon, L., « Meshing for highly parallel rotating machinery using AMI », Splash presentation only, 15th OpenFOAM Workshop, held virtually in Arlington, Virginia, June 22-26, 2020
19. Gagnon, L. and Masarati, P.*, « Autonomous Untethered Flight of Multibody Dynamics Rotorcraft With Cycloidal Rotors », companion video, presentation PDF, DETC2018-85152, ASME IDETC/CIE 2018, Québec City, Canada, August 26-29, 2018, doi: 10.1115/DETC2018-85152
18. Terze, Z.*, Pandža, V., Zlatar, D., Masarati, P., and Gagnon, L. « Vortical Flow Airfoil Dynamics in Lie Group Setting: Geometric Reduction and Numerical Analysis », DETC2018-85879, ASME IDETC/CIE 2018, Québec City, Canada, August 26-29, 2018
17. Gagnon, L., « Studying tires, roads, and cycloidal rotors with multibody dynamics », presentation only, 1st Chrono-MBDyn User Meeting, Parma, Italy, April 19 to 21, 2017
16. Gagnon, L., « MBDyn's experience at the Google Summer of Code », presentation only, 1st Chrono-MBDyn User Meeting, Parma, Italy, April 19 to 21, 2017
15. Gagnon, L.*, Quaranta, G., Schwaiger, M., and Wills, D., « Quadrotor cyclogyro aircraft in forward flight CFD model », presentation only, 11th OpenFOAM Workshop, Guimarães, Portugal, June 26 to 30, 2016
14. Gagnon, L.*, Masarati, P., Morandini, M., and Quaranta, G., « Flight scenarios study of two cycloidal rotor aircraft concepts », 4th Joint International Conference on Multibody System Dynamics, Montréal, Canada, May 29 to June 2, 2016
13. Gagnon, L.*, Quaranta, G., Morandini, M., and Masarati, P., « Cycloidal rotor aerodynamic and aeroelastic analysis », 4th European Aeronautics Science Network Workshop, Aachen, Germany, October 27 to 29, 2014
12. Gagnon, L.*, Morandini, M., Quaranta, G., Muscarello, V., Masarati, P., Bindolino, G., Xisto, C.M., Páscoa, J.C., « Feasibility assessment: a cycloidal rotor to replace conventional helicopter technology », 40th European Rotorcraft Forum, Southampton, UK, September 2 to 4, 2014
11. Xisto, C.M., Páscoa, J.C., Abdollahzadeh, M., Leger, J.A., Masarati, P., Gagnon, L., Schwaiger, M., and Wills, D., « PECyT - Plasma Enhanced Cycloidal Thruster », AIAA Modeling and Simulation Conference, Cleaveland, Ohio, July 28 to 30, 2014
10. Xisto, C.M., Páscoa, J.C., Leger, J.A., Masarati, P., Quaranta, G. Morandini, M., Gagnon, L., Wills, D., and Schwaiger, M., « Numerical modelling of geometrical effects in the performance of a cycloidal rotor », 6th European Conference on Computational Fluid Dynamics, Barcelona, Spain, July 20 to 25, 2014
9. Gagnon, L., Quaranta, G., Morandini, M., Masarati, P.*, Lanz, M., Xisto, C.M., Páscoa, J.C., « Aerodynamic and Aeroelastic Analysis of a Cycloidal Rotor », 44th AIAA Fluid Dynamics Conference, Atlanta, Georgia, June 16 to 20, 2014
8. Gagnon, L.*, Morandini, M., Quaranta, G., Muscarello, V., Bindolino, G., and Masarati, P., « Cyclogyro Thrust Vectoring for Anti-Torque and Control of Helicopters », 70th American Helicopter Society Forum, Montréal, Canada, May 20 to 22, 2014
7. Gagnon, L.*, « Un nouvel outil d'analyse mécanique du profil longitudinal d'une route », presentation only, 48e congrès de l'AQTr, Montréal, Canada, March 25 to 27, 2013
6. Gagnon, L.*, Richard, M.J., Beardsell, G., and Boudreau, M., « The Process of Making an Aerodynamically Efficient Car Body for the SAE Supermileage Competition », SAE Technical Paper 2012-01-0176, 2012, doi: 10.4271/2012-01-0176
5. Gagnon, L., Richard, M.J., Masarati, P.*, Morandini, M., and Doré, G., « Multibody simulation of tires operating on an uneven road », poster and paper, Multibody Dynamics 2011, Brussels, Belgium, July 4 to 7, 2011
4. Gagnon, L.* and Richard, M.J., « Parallel CFD of a prototype car with OpenFOAM », OpenFOAM Workshop 5, Göteborg, Sweden, June 21 to 24, 2010
3. Gagnon, L.*, Richard, M.J., and Lévesque, B., « Capturing vortex energy from the flow on the Ahmed car », COBEM 2009, Gramado-RS, Brazil, Nov. 15 to 20, 2009
2. Gagnon, L.*, Richard, M.J., and Lévesque, B., « Using OpenFOAM to model energy taken from the swirl behind a car », OpenFOAM Workshop 4, Montréal, June 1 to 4, 2009
1. Gagnon, L.*, Richard, M.J., and Lévesque, B., « Recapturing energy from a vortex behind the Ahmed car using a paddle wheel », CASI-AERO 2009 Conference, Ottawa, May 5 to 7, 2009
*: presenter
vulgarisation // popularization
Gagnon, L., Richard, M.J., Doré, G., Masarati P., and Morandini, M. « Semi simulation : A multibody tire model for measuring energy dissipation and evaluating the dynamic response of a semi-trailer truck to uneven road conditions », Tire Technology International, March 2015
Gagnon, L., Richard, M.J., Beardsell, G., and Boudreau, M., « Shed a Few Joules with Better Aerodynamics », SAE Momentum, 3(5):4-6, 2012
Gagnon, L., Richard, M.J., and Doré, G, « L'influence de l'uni de la route sur l'efficacité du transport », Via Bitume, 6(1):43-45, 2011
séminaires // seminars
« Fortschritt im Bereich Cycloidal Rotoren », Doktorandenseminar, University Stuttgart, Germany, 19 July 2022
« A Novel and Simple Aircraft Requiring Minimal Power to Hover: Folge 2 », Doktorandenseminar, University Stuttgart, Germany, 20 July 2021
« A Novel and Simple Aircraft Requiring Minimal Power to Hover », Doktorandenseminar, University Stuttgart, Germany, 3 December 2019
« Create and optimize a path following drone with MBDyn, Dakota, and Octave », hands-on session, 1st Chrono-MBDyn User Meeting, Parma, Italy, April 19 to 21, 2017
« Studying tires, roads, and cycloidal rotors with multibody dynamics », Politecnico di Milano, Italy, Jan 22, 2015
Invited lecture in the « Multibody System Dynamics » PhD course, Politecnico di Milano, Italy, November 2015
blogs
Cycloidal Rotor 3D CFD Simulation
Google Summer of Code 2017 wrap-up for MBDyn
Exporting optimization constraints and gradients from SageMath to C++
Converting SageMath equation notation to Latex math notation (external link)
Finding the area and center of mass of NACA 4 number symmetric airfoils
Google Summer of Code 2015 wrap-up for MBDyn