Dr. James Wanliss

Associate Professor of Physics
864.833.7162
B.S. University of Cape Town (Cape Town, South Africa)
M.S. University of Witwatersrand (Johannesburg, South Africa)
Ph.D. University of Alberta (Edmonton, Alberta, Canada)
jawanliss@presby.edu
Personal web page

Dr. Chad L. Rodekohr

Assistant Professor of Physics
864.833.7160
B.S., M.S., Ph.D. Auburn University (Auburn, AL)
clrodekoh@presby.edu

Dr. Eli T. Owens

Assistant Professor of Physics
864.833.8409 x 8409
B.S. West Virginia University (Morgantown, WV)
Ph.D. North Carolina State University (Raleigh, NC)
etowens@presby.edu

Courses Taught at PC

Physics with Calculus I, II, and III
Methods of Theoretical Physics
Heat and Thermodynamics

Research

My research interests center around granular physics. Granular matter makes up a large class of materials, from the everyday such as sand grains on the beach to the more exotic rings of Saturn. More formally, granular materials are a collection of large athermal particles that interact with each other through a strictly repulsive contact potential. There are many interesting phenomena associated with granular materials, for instance, the industrially important process of particle segregation and mixing or the pressure screening in grain silos. Another interesting feature is that the internal force structure of granular materials is very heterogeneous. These internal forces can be visualized using a 2D photoelastic granular material (see figure). As can be seen, the forces have a branching structure made up of the so called force chains.

Granular Physics Demonstrations

Granular materials, for example sand, provide several opportunities for physics demonstrations. Composed of macroscopic particles interacting in a purely classical way through the particle contacts, granular materials have many industrial applications and are one of the most commonly transported materials. Granular physics is also relevant in many geophysics and astrophysics studies, yet physics students are rarely introduced to this important class of materials. Granular materials also display some interesting phenomena. For example, two different types of particles tend to segregate in seeming violation of increasing entropy. At the 2012 AAPT meeting in Philadelphia, I presented a poster that showed and explained granular physics demonstrations illustrating these and many other interesting granular physics principles. These demonstrations are very eye catching and many can be constructed using simple household materials.

The poster presented at the AAPT 2012 is available below:
Poster

Publications

  • Eli T. Owens and Karen E. Daniels. Acoustic measurement of a granular density of modes Soft Matter9:1214 (2013) [Link]
  • Danielle S. Bassett, Eli T. Owens, Karen E. Daniels, Mason A. Porter. Influence of Topology on Signal Propagation in Granular Force Networks. Physical Review E 86: 041306 (2012) [Link]
  • Eli T. Owens and Karen E. Daniels. Sound propagation and force chains in granular materials. Europhysics Letters 94, 54005 (2011) [Link]
  • Eli T. Owens, Stephanie Couvreur and Karen E. Daniels. Spatiotemporally Resolved Acoustics in a Photoelastic Granular Material. Powders and Grains 2009: Proceedings of the 6th International
    Conference on Micromechanics of Granular Media
    , p. 447-450 (2009) [Link]
  • Martina E. Bachlechner, Deepak Srivastava, Eli T. Owens, Jarrod Schiffbauer, Jonas T. Anderson, Melissa R. Burky, Samuel C. Ducatman1,Adam M. Gripper, Eric J. Guffey, and Fernando Serrano Ramos. Mechanisms of pit formation at strained crystalline Si(111)/Si3N4(0001) interfaces: Molecular-dynamics simulations. Physical Review B 74, 075327 (2006) [Link]

Dr. Paige Meeker

Dr. Meeker and her Family

Associate Professor of Computer Science and Department Chair
864.833.8413
B.S. Furman University
M.S. University of South Carolina
Ph.D. University of South Carolina
mpmeeker@presby.edu

Dr. Paige Meeker has been a member of the PC computer science department since August 2005. Before arriving at PC, she taught at the University of South Carolina and Furman University. She was granted tenure and a promotion to Associate Professor in February 2009.

During her time at PC, Dr. Meeker has worked with Dr. Ralph Paquin and Dr. Wayne Smith to develop the digital animation arts minor, and she has introduced and developed numerous courses into the computer science curriculum, covering such topics as game programming, the history of computer science, and Harry Potter. Dr. Meeker also developed a travel course which took Physics and Computer Science students to Florida to explore the physics and computer science behind the scenes of Kennedy Space Center and Walt Disney World.
Dr. Meeker has been a member of several committees at Presbyterian College, including AAC, LFA, Gen. Ed., Curriculum, Alcohol Advisory, and the Honor Council. She has been the faculty advisor to the Pac Sac and is participates in PC’s new “Freshman Advisor” program. She is currently serving as department chair.

Dr. Meeker is also a member of the Association for Computing Machinery and its special interest groups in graphics and computer science education (SIGCSE). She’s developed several websites for various businesses over the years, and she’s also judged science fairs and spoken to kindergarten classes about robots and what a computer scientist does. She currently runs two after school computer clubs, one for elementary students (grades 1-4) and one for middle school students (grades 5-8).

In her spare time, Dr. Meeker enjoys reading, walking, horseback riding, and quilling, being a member of the North American Quilling Guild.