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27002 access since 10 Aug 2009, 2 online now

Welcome to KAPSEL Homepage †

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 degined to simulate dynamics of solid particles dispersed in simple and complex fluids. KAPSEL enables us to simulate complecx rheological properties of colloidal dispersions, electrophoresis of charged colloids, etc.

• KAPSEL-2 is a newer version of KAPSEL. It enables us to introduce thermal fluctuations to the system and also to perform rheology simulations under steady or oscillatory shear flow being compatible fully with periodic boundary conditions. Computational efficiency is much improved from the original KAPSEL so that one can perform larger scale simulations.
  

• KAPSEL is a free software. To download and use KAPSEL, one must register for a member of KAPSEL-BBS and keep the "License agreement of KAPSEL".

NEWS †

• KAPSEL-2
  • [1* Aug 2009] KAPSEL-2 released.

• [10 Aug 2009] Official HP renewal open.

• KAPSEL
  • [19 Jan 2007] English manual (for KAPSEL version 1) published on-line.

• [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).

• T. Iwashita, Y. Nakayama, and R. Yamamoto, A numerical model for Brownian particles fluctuating in incompressible fluids, J. Phys. Soc. Jpn., 77, 074007, (2008).

• X. Luoa, M. R. Maxeya, and G. E. Karniadakis, Smoothed Profile Method for Particulate Flows: Error Analysis and Simulations, Journal of Computational Physics, 228, 1750-1769 (2009).

• Diffusion in incompressible fluid
  • T. Iwashita and R. Yamamoto, Short-time motion of Brownian particles in a shear flow, Phys. Rev. E, 79, 031401 (2009).

• Electrophoresis
  • K. Kim, Y. Nakayama, and R. Yamamoto, Direct Numerical Simulations of Electrophoresis of Charged Colloids, Phys. Rev. Lett., 96, 208306 (2006).

• Colloids in Liquid Crystal
  • R. Yamamoto, Simulating particle dispersions in nematic liquid-crystal solvents, Phys. Rev. Lett., 87, 075502 (2001).