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Seungoh Ryu is a physicist with expertise in the area of theoretical condensed matter & statistical physics, diffusion, fluid flow and interfacial phenomena in complex porous media and micro-fluidic devices. He developed massively parallelized random walks and Lattice Boltzmann simulation codes for fluid in rocks. Earlier, he had experimental training in thermal properties of superconductors at one of the top groups in the field. He has a long history of close and fruitful collaboration with experimental colleagues in both academia and industry. He coauthored patents in the geophysical applications of NMR and MEMS devices, and is proficient in the objected-oriented programming, parallel computation and visualization techniques on various platforms. He is a published software developer for Macintosh and iOS mobile platforms.
EXPERIENCE
Founder & Chief Programmer, iStormApps, 2011-Present
www.istormapps.com; Development of mobile Apps for the iOS platform (iPhone & iPad).
Senior Research Scientist, Porous Media and Bio-inspired Systems Group, Schlumberger Doll Research, 2007-2010
Massively parallel Lattice Boltzmann simulation on a BlueGene/P machine. Modeling of transport through porous media using high resolution X-ray microtomography. Parallelized random walk modeling of diffusion in porous media. Theory of relaxation dynamics in porous media under inhomogeneous, mixed boundary conditions. Modeling of micro-fluidic MEMS device in confined geometries. Led a group of experimental and theoretical colleagues in a systematic investigation of NMR relaxometry in various rocks and its temperature dependence.
Senior Research Scientist, NMR, Schlumberger Doll Research, 2000-2007
Developed novel Non-resonant NMR probe for bore-hole application. Developed random fractal model of carbonate pore geometry. Developed theory for interpreting stimulated spin echo/NMR relaxometry as a probe of pore geometry and restricted diffusion.
Research Scientist, EMG, Schlumberger Doll Research, 1997-2000
Initiated numerical modeling project for geophysical applications. Developed microscopic theory of interface enhanced relaxation of proton spin magnetization in porous media.
Postdoctoral Research Fellow, Ohio State University, Columbus, 1995-1997
Langevin dynamics of flux lattice melting transition. Dynamics of driven vortices in 2D/layered superconductors.
University President's Postdoctoral Fellow, Ohio State University, Columbus, 1994-1995
Nonlinear dynamics of Josephson junction arrays. Theoretical study on the nature of disordered vortex glass phase in high temperature superconductors.
Visiting Scientist Theoretical division (T11), Los Alamos Lab, Los Alamos, 1994
EDUCATION
Stanford University, Applied Physics, PhD in Theoretical Condensed Matter Physics
Computer Simulation Studies of Flux Lines in Model Layered Superconductor, Advisors: Sebastian Doniach/Aharon Kapitulnik
Seoul National University, Physics, MS in Experimental Condensed Matter Physics
Electronic structure of Thorium- and Uranium Compounds studied by Photoelectron Spectroscopy, Advisor: Se-Jung Oh
Seoul National University, Physics, BS
SKILLS
Objective oriented programming using C++, obj-C & Cocoa
Large scale visualization using OpenGL, QuickTime, QTVR
GUI commercial software development (iStorm, iChalk: realtime collaboration) on OS X platform
Parallelization using Distributed Objects, MPI, and pthreads
Large scale parallel simulations using C/MPI on BlueGene/P system using 1000+ processors
Intermediate level Web site development and maintenance
iOS mobile App development
REFERENCES
Please contact for references.
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