Publications
Here is a list of my publications. Click on the PDF link to read the corresponding article. If you have any comment or question about one of these articles, feel free to contact me.
Articles
2024
J. Antunes, P. Piteau, X. Delaune, R. Lagrange, D. Panunzio. A frequency-independent second-order framework for the formulation of experimental fluidelastic forces using hidden flow variables. J. Fluids Struct., 127, 104127, 2024. PDF
2023
P. Piteau, X. Delaune, D. Panunzio, R. Lagrange, J. Antunes. Experimental investigation of in-flow fluidelastic instability for rotated triangular tube bundles subjected to single-phase and two-phase transverse flows. J. Fluids Struct., 123, 104005, 2023. PDF
R. Lagrange, D. Panunzio, P. Piteau, X. Delaune, J. Antunes. A new criterion for the instability threshold of a square tube bundle subject to an air–water cross-flow. J. Fluids Struct., 122, 103980, 2023. PDF
M. A. Puscas, R. Lagrange. Interaction of two cylinders immersed in a viscous fluid. On the effect of moderate Keulegan-Carpenter numbers on the fluid forces. Eur. J. Mech. B Fluids, 101, 106-117, 2023. PDF
R. Lagrange, L. Lorand, M. A. Puscas. Forced beam vibrations of coaxial cylinders separated by a fluid gap of arbitrary size. Inviscid theory and numerical assessment of the fluid forces. J. Fluids Struct., 120, 103899, 2023. PDF
R. Lagrange, M.A. Puscas. Viscous Theory for the Vibrations of Coaxial Cylinders: Analytical Formulas for the Fluid Forces and the Modal Added Coefficients. J. Appl. Mech., 90(6): 061009, 2023. PDF
2022
R. Lagrange, M.A. Puscas, P. Piteau, X. Delaune, J. Antunes. Modal added-mass matrix of an elongated flexible cylinder immersed in a narrow annular fluid, considering various boundary conditions. New theoretical results and numerical validation. J. Fluids Struct., 114, 103754, 2022. PDF
R. Lagrange, M.A. Puscas. Hydrodynamic interaction between two flexible finite length coaxial cylinders: new theoretical formulation and numerical validation. J. Appl. Mech., 89(8): 081006, 2022. PDF
D. Panunzio, M.A. Puscas, R. Lagrange. FSI - Vibrations of immersed cylinders. Simulations with the engineering open source code TrioCFD. Test cases and experimental comparisons. C. R. Mecanique, 350, 451-476, 2022. PDF
2020
R. Lagrange, Y. Fraigneau. New estimations of the added mass and damping of two cylinders vibrating in a viscous fluid, from theoretical and numerical approaches. J. Fluids Struct., 92, 102818, 2020. PDF
2019
R. Lagrange, P. Piteau, X. Delaune, J. Antunes. Fluid-elastic coefficients in single phase cross flow: dimensional analysis, direct and indirect experimental methods. Proceedings of the ASME, PVP2019, 93984, 2019. PDF
2018
R. Lagrange, X. Delaune, P. Piteau, L. Borsoi, J. Antunes. A new analytical approach for modeling the added mass and hydrodynamic interaction of two cylinders subjected to large motions in a potential stagnant fluid. J. Fluids Struct., 77, 102-114, 2018. PDF
2016
F. Lopez Jimenez, N. Stoop, R. Lagrange, J. Dunkel, P.M. Reis. Curvature-controlled defect localization in elastic surface crystals. Phys. Rev. Lett., 116, 104301, 2016. PDF
R. Lagrange, F. Lopez Jimenez, D. Terwagne, M. Brojan, P. Reis, From wrinkling to global buckling of a ring on a curved substrate. J. Mech. Phys. Solids, 89, 77-95, 2016. PDF
R. Lagrange, P. Meunier, C. Eloy. Triadic instability of a non-resonant precessing fluid cylinder. C. R. Mecanique, 344, 418-433, 2016. PDF
2015
N. Stoop, R. Lagrange, D. Terwagne, P.M. Reis, J. Dunkel. Curvature-induced symmetry breaking selects elastic surface patterns. Nature Materials, 14, 337-342, 2015. PDF
M. Brojan, D. Terwagne. R. Lagrange, P.M. Reis. Wrinkling crystallography on spherical surfaces. Proc. Natl. Acad. Sci. U.S.A., 112(1), 14-19, 2015. PDF
2014
R. Lagrange. Limit point buckling of a finite beam on a nonlinear foundation. Theor. Appl. Mech. Lett.,vol. 4, 031001, 2014. PDF
2013
R. Lagrange. Compression-induced stiffness in the buckling of a one fiber composite. Theor. Appl. Mech. Lett., vol. 3, 061001, 2013. PDF
2012
R. Lagrange, D. Averbuch. Solution methods for the growth of a repeating imperfection in the line of a strut on a nonlinear foundation. Int. J. Mech. Sci., vol. 63(1), 48-58, 2012. PDF
2011
R. Lagrange, P. Meunier, C. Eloy, F. Nadal. Precessional instability of a fluid cylinder. J. Fluid Mech., vol. 666, 104-145, 2011. PDF
2009
J.P. Lambelin, F. Nadal, R. Lagrange, A. Sarthou. Non resonant viscous theory for the stability of a fluid–filled gyroscope. J. Fluid Mech., vol. 639, 167-194, 2009. PDF
R. Lagrange, P. Meunier, C. Eloy, F. Nadal. Dynamics of a fluid inside a precessing cylinder. Mec. Ind., EDP Sciences, 10, 187-194, 2009. PDF
2008
R. Lagrange, C. Eloy, F. Nadal, P. Meunier. Instability of a fluid inside a precessing cylinder. Phys. Fluids, vol. 20, 081701, 2008. PDF
P. Meunier, C. Eloy, R. Lagrange, F. Nadal. A rotating fluid subject to weak precession. J. Fluid Mech., vol.599, 405-440, 2008. PDF
C. Eloy, R. Lagrange, C. Souillez, L. Schouveiler. Aeroelastic instability of cantivelered flexible plates in uniform flow. J. Fluid Mech., vol. 611, 97-106, 2008. PDF
2006
R. Lagrange. Etude théorique et expérimentale de la stabilité d’un drapeau soumis à un écoulement parallèle à sa surface. M.Sc. Manuscript, 2006. PDF
H.D.R. Thesis
R. Lagrange. Analyse de quelques problèmes d’instabilité en mécanique. Habilitation à Diriger des Recherches. Institut Polytechnique de Paris, 2023. PDF
Jury:
J.M. Chomaz (LadHyX),
L. Bourouiba (MIT),
B. Cochelin (LMA),
S. Etienne (Polytechnique Montréal),
X. Amandolèse (CNAM),
M. Braza (IMFT),
A. Lazarus (UPMC).
H.D.R. oral presentation: PPT file
Ph.D. Thesis
R. Lagrange. Dynamique d’un fluide dans un cylindre en précession. Thèse de doctorat. Aix-Marseille Université, 2009. PDF
Jury:
U. Ehrenstein (IRPHE),
C. Eloy (IRPHE),
P. Meunier (IRPHE),
F. Nadal (CEA/CESTA),
M. Rossi (IJLRA), final report,
A. Tilgner (Univ. of Göttingen).
Ph.D. oral presentation: PPT file