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We present particle dynamics simulations for the response of magnetorheological (MR) uids upon application of a magnetic eld. The particles motion is considered to be governed by magnetic, hydrodynamic and repulsive interactions. Fluid-particle interactions are accounted for via Stokes' drag while inter-particle repulsions are modeled through approximate… (More)

- A. Musbach, G. W. Meyer, F. Reitich, S. H. Oh
- Comput. Graph. Forum
- 2013

The propagation and reflection of electromagnetic waves in a three-dimensional environment is simulated, and realistic images are produced using the resulting light distributions and reflectance functions. A finite difference time domain method is employed to advance the electric and magnetic fields in a scene. Surfaces containing wavelength scaled… (More)

- A E Malcolm, F Reitich, J Yang, J F Greenleaf, M Fatemi
- Ultrasonics
- 2008

This paper aims to model ultrasound vibro-acoustography to improve our understanding of the underlying physics of the technique thus facilitating the collection of better images. Ultrasound vibro-acoustography is a novel imaging technique combining the resolution of high-frequency imaging with the clean (speckle-free) images obtained with lower frequency… (More)

- Tammy M. Simon, F. Reitich, M. R. Jolly, K. Ito, H. T. Banks
- 1998

Magnetorheological (MR) uids constitute examples of controllable (\smart") u-ids, whose rheological properties vary in response to an applied magnetic eld. These uids typically consist of micron-sized, magnetizable particles dispersed in a non-permeable carrier uid. The essential characteristic of MR uids is that they may be continuously and reversibly… (More)

- H. Kurkcu, F. Reitich, A. Ortan
- CEM'13 Computational Electromagnetics…
- 2013

Nanoplasmonics forms a major part of the field of nanophotonics, which explores how electromagnetic fields can be confined over dimensions on the order of or smaller than the wavelength. Here, we present an integral-equation formulation of the mathematical model that delivers accurate solutions in small computational times for surface plasmons coupled by… (More)

EEcient numerical simulations of microstructure development in magnetorheolog-ical (MR) uids are conducted. The simulations, which are based upon a fast multipole algorithm, treat the magnetic inclusions as two-dimensional continuum magnetic entities. The development of microstructure is quantiied by computing and recording the time evolution of the… (More)

- Tammy M. Simon, F. Reitich, M. R. Jolly, K. Ito, H. T. Banks
- 1998

Magnetorheological (MR) uids represent a class of smart materials whose rheological properties change in response to the application of a magnetic eld. These uids typically consist of small (m) magnetizable particles dispersed in a non-magnetic carrier uid that generally contains additives such as surfactants and anti-wear agents 1]. Due to such additives ,… (More)

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