Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
KAPSEL: Kyoto Advanced Particle Simulator for ELectrohydrodynamics
We have released a colloid simulator named KAPSEL implemented the “Smoothed Profile (SP) method” which has been developed by ourselves for direct numerical simulations of particulate flow providing a way to couple continuum fluid dynamics with rigid-body dynamics through smoothed profile of colloidal particle. KAPSEL enables us to simulate multi-component fluids, such systems as charged colloids in electrolyte solutions. Dynamics of colloidal dispersions is solved as much computational cost as required for solving non-particulate flows. KAPSEL computes the fluid velocity and the electrostatics potential by solving both Navier–Stokes and Poisson equations directly. The time evolutions of the colloidal particles and the density of counter ions are then determined by solving Newton’s equation of motion and advection-diffusion equation, respectively, in a consistent manner so that the electro-hydrodynamic coupling can be fully taken into account. The electrophoretic mobility of spherical colloidal particles is calculated in several situations including those in concentrated dispersions. The comparisons with theories show excellent quantitative agreements.
KAPSEL: Kyoto Advanced Particle Simulator for ELectrohydrodynamics
We have released a colloid simulator named KAPSEL implemented the “Smoothed Profile (SP) method” which has been developed by ourselves for direct numerical simulations of particulate flow providing a way to couple continuum fluid dynamics with rigid-body dynamics through smoothed profile of colloidal particle. KAPSEL enables us to simulate multi-component fluids, such systems as charged colloids in electrolyte solutions. Dynamics of colloidal dispersions is solved as much computational cost as required for solving non-particulate flows. KAPSEL computes the fluid velocity and the electrostatics potential by solving both Navier–Stokes and Poisson equations directly. The time evolutions of the colloidal particles and the density of counter ions are then determined by solving Newton’s equation of motion and advection-diffusion equation, respectively, in a consistent manner so that the electro-hydrodynamic coupling can be fully taken into account. The electrophoretic mobility of spherical colloidal particles is calculated in several situations including those in concentrated dispersions. The comparisons with theories show excellent quantitative agreements.
KAPSEL: Kyoto Advanced Particle Simulator for ELectrohydrodynamics
Ryoichi Yamamoto (Autor:in) / Kang Kim (Autor:in) / Yasuya Nakayama (Autor:in)
2014
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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