D. Harley Klein


Polymer IRC
Department of Physics and Astronomy
University of Leeds
Leeds LS2 9JT, United Kingdom
h.kleinATleeds.ac.uk

Research
Interests
Computational science and engineering; computational fluid dynamics; non-Newtonian fluid mechanics.
Education
University of California, Santa Barbara
Ph.D Chemical Engineering with Computational Science and Engineering emphasis, September 2007

Thesis topic: Flow behavior of a model liquid crystalline polymer. Primary advisors: L. Gary Leal from Chemical Engineering and Carlos J. Garcia-Cervera and Hector D. Ceniceros from Mathematics.

Developed and analyzed numerical algorithms for modeling of Liquid Crystalline Polymer processing. Used computational and analytical techniques to analyze flow-induced structural modifications of molecular orientation and predictive capabilities of the molecular-based Doi-Marrucci-Greco model.

Elective coursework included: Complex fluids (surfactants, colloids, liquid crystals), Macromolecular structure and dynamics, Numerical methods, High performance (parallel) computing.
University of Texas at Austin
B.S.E. Chemical Engineering, May 2000

Thesis topic: Microstructure formation via adsorption of tethered nanoparticles. Advisor: Roger Bonnecaze.

Simulated the formation of two-dimensional films of nanoparticles via a numerical study of two-dimensional random sequential adsorption of tethered hard disks.

Elective coursework included: Microelectronics, Numerical methods, Programming.
Experience
University of Leeds, Polymer IRC
March 2006-present
Post-Doctoral Research Fellow in Polymer/molecular non-Newtonian Flow Computation. Responsibilities include the incorporation of novel constitutive equations for single-phase polymeric fluids into in-house finite element codes, the simulation of the flow of these materials in processing-type flow geometries, and critical evaluation of the ability of the constitutive equations to model their behavior in typical processing flows, including comparison with experimental data.
UCSB, Department of Chemical Engineering
Fall quarter, 2000
Teaching assistant for graduate-level fluid dynamics course Advanced Transport Processes-Laminar Flow and Convective Transport Processes.
Motorola
November 1995-December 1998
Device engineering technician.
Awards
University Co-Op Undergraduate Intellectual Achievement Award, 1999

National Science Foundation IGERT (Integrative Graduate Education and Research Traineeship) Fellowship, 2003-2005
Publications
D. H. Klein, C. J. Garcia-Cervera, H. D. Ceniceros, and L. G. Leal. Three-dimensional, shear-driven dynamics of polydomain textures and disclination loops in liquid crystalline polymers. Submitted to Journal of Rheology, Oct 2007.
D. H. Klein, C. J. Garcia-Cervera, H. D. Ceniceros, and L. G. Leal. Ericksen number and Deborah number cascade predictions of a model for liquid crystalline polymers for simple shear flow. Physics of Fluids, 19(2), 2007.
D. H. Klein, C. J. Garcia-Cervera, H. D. Ceniceros, and L. G. Leal. Computational studies of the shear flow behaviour of a model for nematic liquid crystalline polymers. In Rob May and A. J. Roberts, editors, Proc. of 12th Computational Techniques and Applications Conference CTAC-2004, volume 46, pages C210-C244, April 2005.
J. J. Gray, D. H. Klein, B. A. Korgel, and R. T. Bonnecaze. Microstructure formation and kinetics in the random sequential adsorption of polydisperse tethered nanoparticles modeled as hard disks. Langmuir, 17(8):2317-2328, 2001.
J. J. Gray, D. H. Klein, R. T. Bonnecaze, and B. A. Korgel. Non-equilibrium phase behavior during the random sequential adsorption of tethered hard disks. Physical Review Letters, 85(21):4430-4433, 2000.
Presentations
Poster: D. H. Klein, C. Garcia-Cervera, H. D. Ceniceros, and L. G. Leal. Simple shear dynamics of a model for nematic liquid crystalline polymers: the Ericksen and Deborah number cascades. National Science Foundation 2005 IGERT Project Meeting, Washington~D. C., May 2005.
Contributed talk: D. H. Klein, C. Garcia-Cervera, H. D. Ceniceros, and L. G. Leal. Computational studies of the shear flow behavior of a model for liquid crystalline polymers. American Institute of Mathematical Sciences Fifth International Conference on Dynamical Systems and Differential Equations, Pomona, CA, June 2004.
Contributed talk: D. H. Klein and L. G. Leal. Simulation of shear flow of a nematic liquid crystalline polymer. American Institute of Chemical Engineers 2003 Annual Meeting, San Francisco, CA, November 2003.
Poster: D. H. Klein, J. J. Gray, B. A. Korgel, and R. T. Bonnecaze. Creation of surface nanostructures by adsorption of tethered nanoparticles. American Institute of Chemical Engineers 2000 Annual Meeting, Dallas, TX, November 1999.
Computing
Skills
Extensive experience with Fortran 77/90, C/C++, Mathematica, Matlab programming and OS X and Linux operating systems. Also familiar with the extension of Fortran and C to parallel computing environment using MPI libraries.
Memberships
American Institute of Chemical Engineers
Society of Rheology
References
Available upon request.

D. Harley Klein (harleyATengr.ucsb.edu) Last modified: Jun 23 2005