Novel algorithms for multi-scale problems in science and engineering

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

Evert Klaseboer, Qiang Sun, Derek YC Chan

2020-12-01

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

2020-05-15

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 dielectric body

Q Sun, E Klaseboer, AJ Yuffa, DYC Chan

2020-02-01

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

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

Q Sun, E Klaseboer, AJ Yuffa, DYC Chan

2020-02-01

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

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

2019-12-01

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

2019-10-01

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

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

2019-10-01

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

The unusual fluid dynamics of particle electrophoresis

Amitesh S Jayaraman, Evert Klaseboer, Derek YC Chan

2019-10-01

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

Coalescence Dynamics of Mobile and Immobile Fluid Interfaces

Ivan U Vakarelski, Rogerio Manica, Er Qiang Li, Elka S Basheva, Derek YC Chan, Sigurdur T Thoroddsen

2018-02-06

Coalescence dynamics between deformable bubbles and droplets can be dramatically affected by the mobility of the interfaces with f..

Field-only integral equation method for time domain scattering of electromagnetic pulses

Evert Klaseboer, Qiang Sun, Derek YC Chan

2017-12-01

The scattering of electromagnetic pulses is described using a non-singular boundary integral method to solve directly for the fiel..

Navier slip model of drag reduction by Leidenfrost vapor layers

Joseph D Berry, Ivan U Vakarelski, Derek YC Chan, Sigurdur T Thoroddsen

2017-10-01

Recent experiments found that a hot solid sphere that is able to sustain a stable Leidenfrost vapor layer in a liquid exhibits sig..

Self-determined shapes and velocities of giant near-zero drag gas cavities

Ivan U Vakarelski, Evert Klaseboer, Aditya Jetly, Mohammad M Mansoor, Andres A Aguirre-Pablo, Derek YC Chan, Sigurdur T Thoroddsen

2017-09-01

Minimizing the retarding force on a solid moving in liquid is the canonical problem in the quest for energy saving by friction and..

Nonsingular Field-Only Surface Integral Equations for Electromagnetic Scattering

Evert Klaseboer, Qiang Sun, Derek YC Chan

2017-02-01

A boundary integral formulation of electromagnetics that involves only the components of E and H is derived without the use of sur..