Derek Chan

Analytical solution for an acoustic boundary layer around an oscillating rigid sphere

Evert Klaseboer, Qiang Sun, Derek YC Chan

Journal article  |  2020  |  PHYSICS OF FLUIDS

Analytical solutions in fluid dynamics can be used to elucidate the physics of complex flows and to serve as test cases for numeri..

On the derivation of the Smoluchowski result of electrophoretic mobility

Evert Klaseboer, Derek YC Chan

Journal article  |  2020  |  JOURNAL OF COLLOID AND INTERFACE SCIENCE

One of the most enduring, broadly applicable and widely used theoretical results of electrokinetic theory is the Smoluchowski expr..

Field-only surface integral equations: Scattering from a perfect electric conductor

Q Sun, E Klaseboer, AJ Yuffa, DYC Chan

Journal article  |  2020  |  Journal of the Optical Society of America A: Optics, Image Science and Vision

A field-only boundary integral formulation of electromagnetics is derived without the use of surface currents that appear in the S..

Order from Chaos: Dynamics of density segregation in continuously aerated granular systems

Jun Oshitani, Shogo Hayashi, Derek YC Chan

Journal article  |  2020  |  ADVANCED POWDER TECHNOLOGY

Under continual disturbance such as vibration, tumbling, flow or aeration, granular or powder systems can display solid or fluid l..

Field-only surface integral equations: Scattering from a dielectric body

Q Sun, E Klaseboer, AJ Yuffa, DYC Chan

Journal article  |  2020  |  Journal of the Optical Society of America A: Optics, Image Science and Vision

An efficient field-only nonsingular surface integral method to solve Maxwell’s equations for the components of the electric field ..

Eliminating the fictitious frequency problem in BEM solutions of the external Helmholtz equation

Evert Klaseboer, Florian DE Charlet, Boo-Cheong Khoo, Qiang Sun, Derek YC Chan

Journal article  |  2019  |  Engineering Analysis with Boundary Elements

The problem of the fictitious frequency spectrum resulting from numerical implementations of the boundary element method for the e..

Helmholtz Decomposition and Boundary Element Method Applied to Dynamic Linear Elastic Problems

E Klaseboer, Q Sun, DYC Chan

Journal article  |  2019  |  Journal of Elasticity

The displacement field for three dimensional dynamic elasticity problems in the frequency domain can be decomposed into a sum of a..

The unusual fluid dynamics of particle electrophoresis

Amitesh S Jayaraman, Evert Klaseboer, Derek YC Chan

Journal article  |  2019  |  JOURNAL OF COLLOID AND INTERFACE SCIENCE

The classical problem of the electrophoretic motion of a spherical particle has been treated theoretically by Overbeek in his 1941..

Mobile-surface bubbles and droplets coalesce faster but bounce stronger

Ivan U Vakarelski, Fan Yang, Yuan Si Tian, Er Qiang Li, Derek YC Chan, Sigurdur T Thoroddsen

Journal article  |  2019  |  SCIENCE ADVANCES

Enhancing the hydrodynamic interfacial mobility of bubbles and droplets in multiphase systems is expected to reduce the characteri..

A New Perspective on an Old Problem: Scattering by a Perfect Electric Conductor

AJ Yuffa, J Markkanen, Q Sun, E Klascboe, DYC Chan

Conference Proceedings  |  2019

© 2019 ACES. We explore several different singular surface integral equation formulations. These formulations are specifically des..