Livre / Book

Du merveilleux caché dans le quotidien (La physique de l’élégance)
E.Guyon, José Bico, Etienne Reyssat, Benoît Roman (Flammarion 2018)

Hidden Wonders (MIT Press 2021)


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

Published articles

[62] Pneumatic cells toward absolute Gaussian morphing
PDF file Tian Gao, José Bico, and Benoît Roman
Science 24 Aug 2023, Vol 381, Issue 6660 pp. 862-867 (2023)
[DOI] : 10.1126/science.adi2997   [Sup. Mat. here] [complete free e-preprint here]

[61] Chiral Helices Formation by Self-Assembled Molecules on Semiconductor Flexible Substrates
PDF fileH. Po, C. Dabard, B. Roman, É. Reyssat, J. Bico, B. Baptiste, E. Lhuillier & S. Ithurria
ACS Nano 16, 29001 (2022)
[DOI] : 10.1021/acsnano.1c09982

[60] Stretch-Induced Bending of Soft Ribbed Strips
PDF fileE. Siéfert, N.Cattaud, E. Reyssat, B.Roman, and J.Bico
Phys. Rev. Lett. 127 168002 (2021)
[DOI] : 10.1103/PhysRevLett.127.168002

[59] Computational inverse design of surface-based inflatable
PDF fileJ. Panetta, F. Isvoranu, T. Chen, E. Siefert, B. Roman and M. Pauly
ACM Transactions on Graphics SIGGRAPH 40pp 1–14 (2021)
[DOI] : 10.1145/3450626.3459789

[58] Guided tearing: The ruler test
PDF fileA. Ibarra, J-F Fuentealba, J Bico, B Roman, and F.Melo
Physical Review Materials , 5,025601 (2021)
[DOI] : 10.1103/PhysRevMaterials.5.025601

[57] Shape Programming: Shape Programming by Modulating Actuation over Hierarchical Length Scales
PDF fileT.Gao, A. DeSimone, E.Siéfert, B.Roman
Advanced Materials , 32, 2004515  (2020)
[DOI] : 10.1002/adma.202004515   [Supplementary]

[56]  Morphogenesis through elastic phase separation in a pneumatic surface
PDF fileE.Siéfert, B.Roman
Comptes Rendus. Mécanique , 16, Tome 348 no. 6-7, pp. 649-657   (2020)
[DOI] : 10.5802/crmeca.43

[55] Programming stiff inflatable shells from planar patterned fabrics
PDF fileE.Siéfert, J.Bico, E.Reyssat, B.Roman
Soft Matter  16, 7898-7903   (2020)
[DOI] : 10.1039/D0SM01041C

[54] Geometry and mechanics of inextensible curvilinear balloons
PDF fileE.Siéfert, J.Bico, E.Reyssat, B.Roman
J. Mech. Phys. Sol 143, 104068 (2020)
[DOI] : 10.1016/j.jmps.2020.104068 

[53] Collaborative Oscillatory Fracture
PDF fileJ.-F. Fuentealba, J. Marthelot, B. Roman, and F. Melo
Phys.Rev.Lett. 124 ,174102 (2020)
[DOI] : 10.1103/PhysRevLett.124.174102    [Supplementary]

[52] Nature of Crack Path Instabilities in Thin Sheets Cut by Blunt Objects
PDF fileE.Hamm, I.Sivak and B.Roman
Phys.Rev.Lett. 124 ,176401 (2020)
[DOI] : 10.1103/PhysRevLett.124.174101    [Supplementary]

[51]  Mechanics and Energetics of Electromembranes  
PDF fileH. Bense, B. Roman, J. Snoeijer and B. Andreotti
Soft Robotics, 7:6, 675-687 (2020)

[50] Elastocapillary adhesion of a soft cap on a rigid sphere 
PDF fileH. Bense, M. Tani, M. Saint-Jean, E. Reyssat, B. Roman, J. Bico
Soft Matter, 16, 1961-1966 (2020)

[49] Programming curvilinear paths of flat inflatables 
PDF fileE. Siéfert, E.Reyssat, J. Bico,  B. Roman
P.N.A.S., 116 (34) 16692-16696 (2019)
[DOI:] Supplementary File

[48] Predicting tearing paths in thin sheets
PDF fileA. Ibarra, J. F. Fuentealba, B. Roman, and F. Melo
Phys. Rev. E 100, 023002 (2019)

[47] Bio-inspired pneumatic shape-morphing elastomers
E.Siéfert, E.Reyssat, J.Bico, B.RomanPDF file
Nature Materials  18, 24–28 (2019)    See also  News and Views (E.Efrati)
[DOI: 10.1038/s41563-018-0219-x]

[46] A variational model of fracture for tearing brittle thin sheets
B.Li, D.Millán, A.Torres-Sánchez, B.Roman, M.Arroyo PDF file
Journal of the Mechanics and Physics of Solids  119,334-348 (2018)
[DOI: 10.1016/j.jmps.2018.06.022]

[45] Elastocapillarity: When Surface Tension Deforms Elastic Solids
J.Bico, E.Reyssat, B. Roman PDF file
Annual Review of Fluid Mechanics 50: :629-659 (2018)
[DOI: 10.1146/annurev-fluid-122316-050130]

[44] Buckling of elastomer sheets under non-uniform electro-actuation
H.Bense, M.Trejo, E.Reyssat, J.Bico, B.RomanPDF file
Soft Matter (2017)
DOI: 10.1039/c7sm00131b]

[43] Intertwined multiple spiral fracture in perforated sheets
J.-F. Fuentealba, E.Hamm, B.RomanPDF file
Phys.Rev.Lett 116,16 (2016)

[doi: 10.1103/PhysRevLett.116.165501]

[42] The tearing path in a thin anisotropic sheet from two pulling points: Wulff’s view
PDF fileA.Ibarra, B.Roman, F.Melo
Soft Matter 12 (2016)

[41] A new failure mechanism in thin film by collaborative fracture and delamination: Interacting duos of cracks
J.Marthelot, J.Bico, F.Melo, B.RomanPDF file
J. Mech. Phys. Sol. 84 (2015)

[40] Effect of friction on the peeling test at zero-degrees
PDF file S. Ponce, J.Bico, B.Roman
Soft Matter (2015)
[DOI: 10.1039/C5SM01203A ]

[39] Self-replicating cracks: A collaborative fracture mode in thin films
PDF file J.Marthelot,B.Roman,J.Bico, J.Teisseire, D.Dalmas, F.Melo
Phys. Rev. Lett.113 8 (2014)
[doi:10.1103/PhysRevLett.113.085502] [Supplementary]

[38] Reversibility of crumpling on compressed thin sheets
PDF file A.Pocheau, B.Roman
EPJ E 37 28 (2014)

[37] Capillary buckling of a floating annulus
PDF file M.Pineirua, N.Tanaka, B.Roman, J.Bico
Soft Matter 9 46 10985-10992 (2013)

[36] Fracture path in brittle thin sheets : a unifying review on tearing
PDF file B.Roman
International Journal of Fracture 182 2 (2013)

[35] Spiral Tearing of Thin Films
PDF fileV.Romero, B.Roman, E.Hamm, E.Cerda
Soft Matter. 9 34 (2013)

[34] Forbidden Directions for the Fracture of Thin Anisotropic Sheets: An Analogy with the Wulff Plot
PDF fileA.Takei, B.Roman, J.Bico, E.Hamm, F.Melo
Phys. Rev. Lett. 111 144301 (2013)
[doi:10.1103/PhysRevLett.110.144301] (Supplementary Materials Takei13-Supplemental)

[33] Stamping and wrinkling of elastic sheets
PDF fileJ.Hure, B.Roman and J.Bico
Phys. Rev. Lett. 109, 054302 (2012)
[doi: 10.1103/PhysRevLett.109.054302]

[32] Stress Defocusing in Anisotropic Compaction of Thin Sheets
PDF fileB.Roman and A.Pocheau
Phys. Rev. Lett , 108 074301 (2012)

[31] Stretch-induced wrinkles in reinforced membranes: from out-of-plane to in-plane structures
PDF fileA.Takei, F.Brau, B.Roman and J.Bico
Europhys. Lett. 96, 64001 (2011)
[doi: 10.1209/0295-5075/96/64001]

[30] Wrapping an adhesive sphere with an elastic sheet
PDF fileJ.Hure, B.Roman, and J.Bico
Phys. Rev. Lett 106, 174301 (2011)
[doi: 10.1103/PhysRevLett.106.174301]

[29] Wrinkling hierarchy in constrained thin sheets from suspended graphene to curtains
PDF fileH.Vandeparre, M.Pineirua, F.Brau, B.Roman, J.Bico, C.Gay, W.Bao, C.N.Lau, P.M.Reis, and P.Damman
Phys. Rev. Lett 106, 224301 (2011)
[doi: 10.1103/PhysRevLett.106.224301]

[28] Elasto-capillarity: deforming an elastic structure with a liquid droplet
PDF fileB.Roman and J.Bico
J.Phys.: Condens. Matter 22 493101 (2010)
doi: 10.1088/0953-8984/22/49/493101

[27] Origami controlled by an electric field
M.Pineirua, J.Bico, B.RomanPDF file
Soft Matter 6 4491-4496 (2010)
[DOI: 10.1039/c0sm00004c]

[26] Random blisters on stickers: metrology through defects
Y.Aoyanagi, J.Hure, J.Bico and B.RomanPDF file
Soft Matter 22 (2010)
[doi: 10.1039/C0SM00436G]

[25] Piercing an interface with a brush: Collaborative stiffening
F. Chiodi, B. Roman and J. BicoPDF file
Europhys. Lett 44006 (2010)
[doi: 10.1209/0295-5075/90/44006]

[24] The macroscopic delamination of thin films from elastic substrates
PDF file D.Vella,J. Bico,A. Boudaoud, B.Roman and P.M. Reis
PNAS. 1106 No27 (2009)

[23] Localization through Surface Folding in Solid Foams under Compression
PDF file P.M.Reis, F.Corson, A.Boudaoud, B.Roman
Phys. Rev. Lett. 103 No4 Article 045501 (2009)

[22] Unzip instabilities: Straight to oscillatory transitions in the cutting of thin polymer sheets
PDF file PM Reis, A Kumar, MD Shattuck, B. Roman
Europhys. Lett 82 No6, Article 64002 (2008)

[21] Tearing as a test for mechanical characterization of thin adhesive films
PDF fileE.Hamm, P.M.Reis, M.Leblanc, B.Roman, E.Cerda
Nature Materials 7 5 386-390 (2008)
[doi:10.1038/nmat2161] (Supplementary Materials Hamm08+)

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

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

[18] Piercing a liquid surface with an elastic rod: buckling under capillary forces
PDF fileS.Neukirch, B.Roman, B. de Gaudemaris, J.Bico
JMPS 55 (6) (2007) [doi:10.1016/j.jmps.2006.11.009]

[17] Capillary origami: spontaneous wrapping of a droplet with an elastic sheet
PDF fileC. Py, P. Reverdy, L. Doppler, J. Bico, B. Roman and C. N. Baroud
Phys.Rev.Lett 98 156103 (2007)[doi:10.1103/PhysRevLett.98.156103]

[16] 3D aggregation of wet fibers
PDF fileC.Py, R.Bastien, J.Bico, B.Roman, A.Boudaoud
Europhys. Lett 77 44005 (2007)

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

[14] Elasto-capillary coalescence in wet hair
PDF fileJ.Bico, B.Roman, L.Moulin, A.Boudaoud
Nature 432 (7) (2004) [doi:10.1038/432690a]

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

[12] Uniqueness of solution for a constrained elastica
PDF fileA.Pocheau, B.Roman
Physica D 192) (2004)

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

[10] Theory of the edge of leaves
PDF fileM.Marder, E.Sharon , B.Roman, S. Smith
Europhys. Lett. 62 (2003)

[9] Buckling cascade in free sheet
PDF fileE.Sharon, B. Roman, G.S. Shin, M.Marder, H. Swinney
Nature 419 (2002) [doi : 10.1038/419579a]

[8] Postbuckling of bilaterally constrained rectangular thin plates
PDF fileB.Roman, A.Pocheau
JMPS. 50 (11) (2002) []

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

[6] Buckling cascade of thin plates
PDF fileB.Roman, A.Pocheau
Europhys. lett.. 46 (5) (2002)

[5] Effect of multiplicative noise on parametric instability
PDF fileR.Berthet, A.Petrosyan, S.Residori, B.Roman and S.Fauve
Physica D . 174 p84-99 (2003)

[4] Noise induced bistability of parametric surface waves
PDF fileS.Residori, R.Berthet, B.Roman and S.Fauve
Phys.Rev.Lett . 88 (2) (2002)

[3] An analogue experiment of the parametric instability
PDF fileR.Berthet, A.Petrosyan, B.Roman
Am. J. Phys. 70 (7) (2002)

[2] Time-reversal in an ultrasonic waveguide
PDF fileP.Roux, B.Roman, M.Fink,
Appl. Phys. Lett. 70 (14) (1997)

[1] Density variations in a one-dimensional granular system
PDF fileE.Grossman, B.Roman,
Physics of fluids 8 (1996)

Chapitre d’ouvrage/ Book Chapter

[1] Surface Effects on Elastic Structure
PDF fileH.Bense, J.Bico, B.Roman,
Mechanics and Physics of Solids at Micro- and Nano-Scales (WILEY) (2019) ISBN : 9781786305312 [DOI]

Habilitations à diriger les recherches:

PDF fileB.Roman, Dechirures: A review on fracture path in brittle thin sheets, UPMC (2012)

Thèse : (PhD thesis in French)

B.Roman, thèse (Aix-Marseille I) ‘De l’elastica aux plaques plissées » (2000)


  • 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]

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.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.