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Welcome to KAPSEL Homepage

<An Open Software for Direct Numerical Simulations of Particle Dispersions>

single.jpg shear_dc_s.jpg 127.jpg

____Electro-Hydrodynamics________________Rheology________________________Micro-Fluidics

What is KAPSEL?

  • KAPSEL means Kyoto Advanced Particle Simulator for Electro-hydrodynamics based on a direct numerical simulation method for colloidal dispersions called SPM (Smoothed Profile Method). KAPSEL is designed to simulate dynamics of solid particles dispersed in simple and complex fluids. KAPSEL enables us to simulate complex rheological properties of colloidal dispersions, electrophoresis of charged colloids, etc.
  • KAPSEL-2 is the latest version of KAPSEL. It can introduce thermal fluctuations to the system and also perform rheology simulations under steady or oscillatory shear flow, which has a zigzag-profile being fully compatible with usual periodic boundary condition. Computational efficiency is also much improved from the original version so that one can simulate larger systems.

NEWS

  • KAPSEL-2
    • [19 Aug 2009] Click here to see sedimentation of 100,000 particles with HI.
  • [19 Aug 2009] KAPSEL-2.00 release
  • [04 Aug 2009] KAPSEL-2.beta pre-release
  • [31 May 2006] KAPSEL released.

Related Papers

  • Simulation method & algorithm
    • Yasuya Nakayama, Kang Kim and Ryoichi Yamamoto, "Simulating (electro) hydrodynamic effects in colloidal dispersions: smoothed profile method",
      Eur. Phys. J. E, 26, 361-368 (2008).