Publications de Benoit Roman

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Publications

Des plaques malmenées / thin sheet elasticity :

P.M.Reis, F.Corson, A.Boudaoud, B.Roman Localization through Surface Folding in Solid Foams under Compression Phys. Rev. Lett. 103 No4 Article 045501 (2009) [pdf]
D.Vella,J. Bico,A. Boudaoud, B.Roman and P.M. Reis The macroscopic delamination of thin films from elastic substrates PNAS Vol 106 No27, Pages 10901-10906 (2009) [pdf]
Py C., Reverdy P., Doppler L., Bico J., Roman B., Baroud C. N. Capillarity induced folding of elastic sheets (Proceeding) Eur. Phys. J. Special Topics 166 (2009) 67-71 [pdf]
Reis PM, Audoly B, Roman B. Cracking sheets: Oscillatory fracture paths in thin elastic sheets GSNP Gallery published in Chaos 18, 041108 (2008) [pdf click on caption for a link to the movie]
Reis PM, Kumar A, Shattuck MD, Roman B. Unzip instabilities: Straight to oscillatory transitions in the cutting of thin polymer sheets Europhys. Lett. 82 No6, Article 64002 (juin 2008) [pdf]
E.Hamm, P.M.Reis, M.Leblanc, B.Roman, E.Cerda Tearing as a test for mechanical characterization of thin adhesive films Nature Materials Vol.7 No 5, 386-390 (mai 2008) [pdf + suppl. material]

Py C., Reverdy P., Doppler L., Bico J., Roman B., Baroud C, Capillary Origami Gallery of fluid motion - Physics of Fluids Vol.19 No 9, 091104(2007) [pdf]

A.Boudaoud, J.Bico and B.Roman Elastocapillary coalescence: Aggregation and fragmentation with a maximal size Phys.Rev.E. 76, 060102 (2007) [pdf]

E.sharon, B.Roman, S. Smith and H.Swinney Geometrically induced buckling cascade observed in free sheets. Phys.Rev.E 75, 046211 (2007) [pdf]

S.Neukirch, B.Roman, B. de Gaudemaris, J.Bico Piercing a liquid surface with an elastic rod: buckling under capillary forces JMPS. 55 (6) p1212-1235 (juin 2007) [pdf]

C. Py, P. Reverdy, L. Doppler, J. Bico, B. Roman and C. N. Baroud, Capillary origami: spontaneous wrapping of a droplet with an elastic sheet Phys.Rev.Lett 98 156103 (2007) [pdf ]

C.Py, R.Bastien, J.Bico, B.Roman, A.Boudaoud 3D aggregation of wet fibers Europhys. Lett. 77 No 4 (February 2007) 44005 (5pp) [pdf]

B.Audoly, P.M. Reis and B.Roman Cracks in thin sheets : When geometry rules the fracture path Phys.Rev.Lett. vol 95 025502 (2005) [pdf]

B. Audoly, B. Roman, and P. M. Reis Comment on "Crack Street: The Cycloidal Wake of a Cylinder Tearing through a Thin Sheet" Phys.Rev.Lett. vol 94, n.12, (1 April 2005) [pdf]

J.Bico, B.Roman, L.Moulin, A.Boudaoud Elasto-capillary coalescence in wet hair Nature Brief Communication 432 (9 decembre 2004) p.690 [pdf]

B.Audoly, A.Boudaoud, B.Roman, E.Sharon The self-similar rippling of leaf edges and torn plastic sheets Europhysics News vol 35 n.5 (sept/oct 2004) [article]

E.Hamm, B.Roman, and F.Melo Dynamics of developable cones under shear Phys. Rev. E 70, 026607 (2004) [pdf]

A.Pocheau, B.Roman Uniqueness of solution for a constrained elastica. Physica D 192 (2004) 161-310 [pdf]

B.Roman, P.M.Reis, B.Audoly, S.DeVilliers, V.Viguié, D.Vallet Fissure oscillantes dans les feuilles minces / Oscillatory fracture paths in thin elastic sheets C.R. Mécanique 331 (2003) 811-816 [pdf] .

M.Marder, E.Sharon , B.Roman, S. Smith Theory of the edge of leaves Europhysics Letters 62 (4) pp498-504 (2003). [pdf]

E.Sharon, B. Roman, G.S. Shin, M.Marder, H. Swinney Buckling in free sheet Nature Brief communication 419 (10 octobre 2002) p.580. [pdf]

B.Roman, A.Pocheau Postbuckling of bilaterally constrained rectangular thin plates JMPS. 50 (11) (Novembre 2002) pp. 2379-2401. [article (pdf)]

B.Audoly, A.Pocheau, B. Roman Secondary buckling patterns of a thin plate under in-plane compression. Eur.Phys.J.-B. 27 (1) (mai 2002) pp.7-10. [article (pdf)]

B.Roman, A.Pocheau, Buckling cascade of thin plates, Europhys. lett. 46 (5) (1999). [article (pdf)]

En préparation / in preparation:

B.Roman, C.Gay, C.Clanet Pendulum, drops and rods : a physical analogy. (soumis à American Journal of Physics) [pdf].

Autres sujets / other research :

R.Berthet, A.Petrosyan, S.Residori, B.Roman and S.Fauve, Effect of multiplicative noise on parametric instability Physica D 174 p84-99 (2003). [article (pdf)]
S.Residori, R.Berthet, B.Roman and S.Fauve, Noise induced bistability of parametric surface waves Phys.Rev.Lett 88 (2) janvier 2002 [ article (pdf)]
R.Berthet, A.Petrosyan, B.Roman An analogue experiment of the parametric instability Am. J. Phys. 70 (7) pp.744-749 (Juillet 2002) [article (pdf)]
P.Roux, B.Roman, M.Fink, Time-reversal in an ultrasonic waveguide, Applied physics letter, April 7 (97). [article (pdf)]
E.Grossman, B.Roman, Density variations in a one-dimensional granular system , Physics of fluids, December 8 (96). [article (pdf)]

Articles de vulgarisation ou de journalistes scientifiques / broad audience paper:

"Micro-Origami" Physical Review Focus (2007) [lien]
"Plastic sheets perform auto-origami" New Scientist Tech (2007) [lien]
Des chercheurs au poils.
"Cracked it" dans Nature science update (2005) [lien]
A.Cho No frills explanation for fancy folliage? Science now (2003) [pdf]
A.Pocheau, B.Roman, Entre l'arbre et l'écorce, Pour la Science (édition française), mai 1999. []

Actes de colloques / Proceedings :

B.Roman, A.Pocheau, De l'analyse intégrale de l'elastica aux propriétés globales de plaques écrasées, rencontre du non-linéaire 2000. [pdf]
R.Berthet, S.Residori, B.Roman, S.Fauve, L'instabilite parametrique en presence de bruit multiplicatif rencontres du non-linéaire 2000.
B.Roman, A. Pocheau, Cascade de bifuractions de flambage : réponse mécanique et similarité, rencontre du non-linéaire 1999. [pdf]

Mais aussi / and also:

B.Roman, thèse (Aix-Marseille I) 'De l'elastica aux plaques plissées" (2000) [pdf]
B.Andreotti, B.Audoly, R.Brenot, S.Deniau, JP.Devaux, B.Roman, " Dix problèmes corrigés posés à l'Ecole polytechnique et aux Ecoles normales supérieures" VUIBERT supérieur, Séries "grandes annales des concours" 1994.