Renaud Toussaint
PostDoctoral Fellow, UiO, Dept of Physics, group " Complex Systems and Soft Materials".

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PhD Thesis:

Toussaint, R., Fracturation of rocks in compression: The localization process as a critical phenomenon. PhD thesis, University of Rennes I, 2001. click for pdf version (4 Mo) or ps.zip version (1.2 Mo).

 

Articles published in rank A journals:

Toussaint, R. and S.R. Pride, Fracture localization of disordered solids in compression as a critical  phenomenon: I. Statistical physics formalism, Physical Review E, 66(3), 036135, 2002. click for Journal version or cond-mat/0209124.

 Toussaint, R. and S.R. Pride, Fracture localization of disordered solids in compression as a critical  phenomenon: II.Model hamiltonian for a population of interacting cracks, Physical Review E, 66(3), 036136, 2002. click for Journal version or cond-mat/0209127

Toussaint, R. and S.R. Pride, Fracture localization of disordered solids in compression as a critical  phenomenon: III. Analysis of the localization transition, Physical Review E, 66(3), 036137, 2002. click for Journal version or  cond-mat/0209129

Pride, S.R. and R. Toussaint,Thermodynamics of fiber bundles, Physica A, 312, p 159-171, 2002. click for Journal version or  cond-mat/0209131

Toussaint, R., J. Akselvoll, G. Helgesen, A.T. Skjeltorp and E.G. Flekkøy: Interaction model for nonmagnetic microspheres in a ferrofluid layer,
Phys. Rev.  E 69(1),  011407 (2004).  Journal version or cond-mat/0304683

Toussaint R.,
Helgesen G. and E.G. Flekkøy,
Dynamic roughening and fluctuations of dipolar chains , Phys. Rev. Lett. (in press, 2004),   condmat/0311340

Løvoll G., Meheust Y., Toussaint R., Schmittbuhl J., and K. J. Måløy, Growth activity during fingering in a porous Hele Shaw cell
Phys. Rev. E (in press, 2004), condmat/0310204

Articles submitted to rank A journals:

Mean Field Theory of Localization in a Cylindrical Fuse Model
R. Toussaint and A. Hansen
submitted to Phys. Rev. E, condmat/0403217

Interacting damage models mapped onto Ising and percolation model
Renaud Toussaint and Steven R. Pride
submitted to Phys. Rev. E, condmat/0403412


Proceedings / book chapters:

Interactions of magnetic holes in ferrofluid layers
Renaud Toussaint, Jørgen Akselvoll, Geir Helgesen, Eirik G. Flekkøy, Arne T. Skjeltorp
Progress in Colloid and Polymer Science (2003), Proc. of the 11th International Conference on Surface and Colloid Science, Iguassu Falls, Brazil (in press)

Self-assembly and dynamics of magnetic holes
A.T. Skjeltorp, J. Akselvoll, K.d.L. Kristiansen, G. Helgesen, R. Toussaint, E.G. Flekkøy, and J. Cernak
in "Forces, growth and form in soft condensed matter: at the interface between physics and biology"
edited by A.T. Skjeltorp and A.V. Belushkin;  Kluwer, Dordrecht, 2004 (in press)


Articles in preparation:

Toussaint, R., G. Helgesen, E.G. Flekkøy and A. Skjeltorp: Phases of self-organized populations of magnetic holes in oscillating fields, to be submitted to Physical Review E.

Toussaint, R., G. Helgesen, E.G. Flekkøy and A. Skjeltorp: Fluctuations of nonmagnetic particle chains in ferrofluids, to be submitted to Journal of fluid mechanics.

Toussaint, R., G. Helgesen and E.G. Flekkøy: Hydrofracture of colloidal crystals in ferrofluids under the effect of a volumic fluid source, to be submitted to Physical Review E.

Toussaint, R., L. Uri and J. Feder: slow gravitational compaction of viscoplastic grains populations, to be submitted to Journal of Geophysical Research B.

Toussaint, R., Ø. Johnssen, K.J. Måløy and E.G. Flekkøy: Pattern formation during central air injection in a granular material in a Hele-Shaw cell, to be submitted to Journal of Geophysical Research B.





Participations to international meetings with abstracts:


2003- : see CV

Toussaint, R., Ø. Johnssen, K.J. Måløy and E.G. Flekkøy, Pattern formation during air injection in a granular medium confined in a Hele-Shaw cell, International Lars Onsager's 100th birthday conference on "Transport, dissipation, and turbulence", Trondheim, Norway, June 2003.

Toussaint, R., G. Helgesen, E.G. Flekkøy, J. Akselvoll and A. Skjeltorp, Magnetic holes population in ferrofluids: interactions, phase diagram and fluctuation scaling (poster), International Lars Onsager's 100th birthday conference on "Transport, dissipation, and turbulence", Trondheim, Norway, June 2003.

Toussaint, R., Ø. Johnssen, K.J. Måløy and E.G. Flekkøy, Pattern formation during air injection in a confined granular medium, EGS-AGU-EUG Joint Assembly, Nice, France, April 2003.

Pride, S.R. and R. Toussaint, Statistical theory of shear localization in brittle rock, AGU Fall Meeting, San Francisco, December 2002 (invited talk).

Toussaint, R., J. Akselvoll, E.G. Flekkøy and G. Helgesen, Magnetic holes in ferrofluid layers: effective interactions, phases and brownian motion, annual meeting of the Norwegian Physics Society – Condensed Matter Section, Fevik, Norway, August 2002.

Toussaint, R. and S.R. Pride, Thermodynamics of microcracks in interaction, and localization of damage in a compressed rock as a critical phenomenon, Vth annual meeting of the E.U. - T.M.R. network “Fractal Structures and self-organization”. Capri, Italy, June 2002.

Toussaint, R., J. Feder and L. Uri, Compaction of granular media with elastoviscoplastic components: an intermediate regime between classical fluid and granular media of elastic grains, Kongsberg annual meeting “Physics of geological processes”, Kongsberg, Norway, May 2002.

Toussaint R. and Pride, S.R., Localization transition in brittle rocks analyzed as a continuous phase transition, E.G.S. XXVIIth General Assembly, Nice, France, April 2002.

Akselvoll J., G. Helgesen and R. Toussaint, Secondary minimum in magnetic hole potential (poster), XIXth General Assembly of the Condensed Matter Division of the European Physical Society, Brighton, U.K., April 2002.

Toussaint, R., E.G. Flekkøy and G. Helgesen, Magnetic holes population in ferrofluids: interactions, phase diagram, chain-roughening and applications, IVth annual meeting of the E.U. - T.M.R. network “Fractal Structures and self-organization”. Paris, France, October 2001.

Toussaint, R. and S.R. Pride, Treating the brittle fracture of rocks in compression as a critical point (poster), A.G.U. Fall Meeting, San Francisco, December 2000.

Toussaint, R. and S.R. Pride, Universality in divergence of compliance modulii among rocks in triaxial tests, A.S.I. summer school “Physical aspects of fracture”, Cargese, France, June 2000.

Toussaint, R. and S.R. Pride, Experimental evidence for universality of the localization process leading to rock fracture, understood as a critical phenomenon, E.G.S. XXVth General Assembly, Nice, France, April 2000.

 
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