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  Collective motion in an active suspension of E. coli bacteria

  Jeremie Gachelin, Annie Rousselet, Anke Lindner, Eric Clement, NJP, accepted 2013. We investigate experimentally the emergence of collective motion in the bulk of an active suspension of E. coli bacteria. When increasing the concentration from (...)

  
  
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  Numerical Bifurcation Methods and their Application to Fluid Dynamics : Analysis beyond Simulation

  H.A. Dijkstra, F.W. Wubs, A.K. Cliffe, E. Doedel, I.F. Dragomirescu, B. Eckhardt, A.Y. Gelfgat, A.L. Hazel, V. Lucarini, A.G. Salinger, E.T. Phipps, J. Sanchez-Umbria, H. Schuttelaars, L.S. Tuckerman, U. Thiele, Commun. Comput. Phys. 15, 1 (...)

  
  
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  A non-local rheology for granular flows across yield conditions

  M. Bouzid, M. Trulsson, P. Claudin, E. Clément and B. Andreotti, Phys. Rev. Lett. 111, 238301 (2013). The rheology of dense granular flows is studied numerically in a shear cell controlled at constant pressure and shear stress, confined between (...)

  
  
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  Forbidden directions for the fracture of thin anisotropic sheets : an analogy with the Wulff plot

  A. Takei, B. Roman, J. Bico, E. Hamm & F. Melo, Physical Review Letter, 110 144301 (2013) It is often postulated that quasistatic cracks propagate along the direction allowing fracture for the lowest load. Nevertheless, this statement is (...)

  
  
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  Drops on soft solids : Free energy and double transition of contact angles

  Lubbers L.A., Weijs H.H.,Botto L., Das S, Andreotti B. and Snoeijer J.H., J. Fluid Mech. 747, R1 (2014). The equilibrium shape of liquid drops on elastic substrates is determined by minimising elastic and capillary free energies, focusing on (...)

  
  

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