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Dynamic Simulations Of Particle Suspensions Subjected To An External Electric-Field, Xianjin Jiang
Dynamic Simulations Of Particle Suspensions Subjected To An External Electric-Field, Xianjin Jiang
Dissertations
A numerical method is performed to study the suspension of polarizable particles in nonconductive solvents subjected to external electric fields. Such particles experience both hydrodynamic and electrostatic interactions. The hydrodynamic force acting on the particles is determined using the Stokesian dynamics method under the assumption that the Reynolds number is much smaller than 1, while the electrostatic force is determined by differentiating the electrostatic energy of the suspension, which is computed from the induced particle dipoles. In addition, the multiple image method is used to compensate for the electrostatic force when two particles are close to each other. Because the …