Judith Hill Scientific Computing Group National Center for Computational Science Oak Ridge National Laboratory Oak Ridge, TN Phone: 865-576-8453 Fax: 865-241-2850 hilljc@ornl.gov
Experience	Research	Publications	Contact

Refereed Publications
	1.	J. Jia, J. Hill, K. Evans and G. Fann. A spectral deferred correction method in time applied to solving the shallow-water equations. Submitted to Monthly Weather Review.
	2.	M. G. Reuter and J. C. Hill. An Efficient, Block-by-Block Algorithm for Inverting a Block Tridiagonal, Nearly Block Toeplitz Matrix. Computational Science & Discovery. 5. 2012.
	3.	E. D’Azevedo and J.C. Hill. Parallel LU Factorization on a GPU cluster. Procedia Computer Science. Vol. 9, pp. 67-75. 2012.
	4.	J. Pei, G. Fann, R. Harrison, W. Nazarewicz, J. Hill, D. Galindo, and J. Jia. Coordinate-Space Hartree-Fock-Bogoliubov Solvers for Superfluid Fermi Systems in Large Boxes. Proceedings of the Conference on Computational Physics 2011, Gatlinburg, Tennessee, October 30 - November 3, 2011. Journal of Physics: Conference Series. 2012.
	5.	M. G. Reuter, J. C. Hill, R. J. Harrison. Solving PDEs in irregular geometries with multiresolution methods I: Embedded Dirichlet boundary conditions. Communications in Computer Physics. 183(1), 2012.
	6.	G. I. Fann, R. J. Harrison, J. Jia, J. Hill, and D. Galindo. Multiple multiresolution representation of functions and calculus for fast computation. Proceedings from SciDAC 2010.
	7.	H.P. Flath, L.C. Wilcox, V. Akcelik, J. Hill, B. van Bloemen Waanders, O. Ghattas. Fast algorithms for Bayesian uncertainty quantification in large-scale linear inverse problems based on low-rank partial Hessian approximations. SIAM Journal on Scientific Computing. 33(1), 2011.
	8.	G. I. Fann, J. Pei, R. J. Harrison, J. Jia, J. Hill, M. Ou, W. Nazarewicz, W. A. Shelton and N. Schunck. Fast multiresolution methods for density functional theory in nuclear physics. Proc. of SciDAC 2009
	9.	J. Jia, J. C. Hill, G. I. Fann and R. J. Harrison. Multiresolution fast methods for a periodic 3-D Navier-Stokes solver. Proc. of the International Symposium on Distributed Computing and Applications to Business, Engineering and Science (DCABES). 2009.
	10.	O. Bashir, K. Willcox. O. Ghattas, B. van Bloemen Waanders and J. Hill. Hessian-based model reduction for large-scale systems with initial condition inputs, International Journal of Numerical Methods in Engineering. Accepted.
	11.	V. Akcelik, G. Biros, O. Ghattas, J. Hill, D. Keyes and B. van Bloemen Waanders. "Parallel algorithms for PDE-constrained optimization", in Parallel Processing for Scientific Computing, M. Heroux, P. Raghaven and H. Simon, eds, SIAM, 2006.
	12.	V. Akcelik, G. Biros, A. Draganescu, O. Ghattas, J. Hill and B. van Bloemen Waanders. Inversion of Airborne Contaminants in a Regional Model, in Lecture Notes in Computer Science, v. 3993, 2006.
	13.	V. Akcelik, G. Biros, A. Draganescu, O. Ghattas, J. Hill and B. van Bloeman Waanders. Dynamic data-driven inversion for terascale simulations: Real-time identification of airborne contaminants. Proceedings of SC2005, IEEE/ACM, Seattle, WA, November 2005.
	14.	J.C. Hill, S.J. Bennison, P.A. Klein, J.W. Foulk, A. Jagota and S. Saigal. Co-planar crack interaction in cleaved mica. International Journal of Fracture, 120(1-2) 2003.
Unrefereed Publications
	1.	D. E. Keyes, L. C. McInnes, C. Woodward, W. D. Gropp, E. Myra, M. Pernice, J. Bell, J. Brown, A. Clo, J. Connors, E. Constantinescu, D. Estep, K. Evans, C. Farhat, A. Hakim, G. Hammond, G. Hansen, J. Hill, T. Isaac, X. Jiao, K. Jordan, D. Kaushik, E. Kaxiras, A. Koniges, K. Lee, A. Lott, Q. Lu, J. Magerlein, R. Maxwell, M. McCourt, M. Mehl, R. Pawlowski, A. Peters, D. Reynolds, B. Riviere, U. Rude, T. Scheibe, J. Shadid, B. Sheehan, M. Shephard, A. Siegel, B. Smith, X. Tang, C. Wilson, and B. Wohlmuth. Multiphysics Simulations: Challenges and Opportunities. Technical Report ANL/MCS-TM-321, Argonne National Laboratory. Report of workshop sponsored by the Institute for Computing in Science (ICiS), July 30 - Aug. 6, 2011, Park City, Utah. Dec. 2011.
	2.	J. Hill, B. van Bloemen Waander and C. Laird. Source inversion using changes in water quality parameter. 8th Annual International Symposium on Water Distribution Systems Analysis, Cincinnati, OH, August, 2006. To appear.
	3.	B. van Bloemen Waanders (ed.), B. Bader. R. Bartlett, J. Berry, R. Bilisoly, P. Boggs, R. Carr, S. Collis, A. Cooper, A. Draganescu, G. Hammond, W. Hart, J. Hill, S. McKenna, P. Lin, K. Long, S. Margolis, C. Peyton, C. Phillips, M. Sala, A. Salinger, J. Shadid, C. Silva, R. Tuminaro, V. Tidwell, B. van Bloemen Waanders, J. Watson, L. Yarrington, V. Akcelik, L. Biegler, G. Biros, S. Buchberger, S. Bujanda, O. Ghattas, H. Greenberg, P. Howard, R. Janke, G. Konjevod, C. Laird, E. Lauer, Z. Li, H. Lin, R. Murray, J. Uber, K.Willcox, Algorithm and Simulation Development in Support of Response Strategies for Contamination Events in Air and Water Systems, Sandia Technical Report SAND2006-0074, 2006.
	4.	B. G. van Bloemen Waanders, R. A. Bartlett, S.S. Collis, E.R. Keiter, C.C. Ober, T.M. Smith, V. Akcelik, O. Ghattas, J.C. Hill, M. Berggren, M. Heinkenschloss, L.C. Wilcox. Sensitivity Technologies for Large Scale Simulation. Sandia Technical Report SAND2004-6574, 2005.
Selected Presentations
	1.	E. D’Azevedo and J. Hill. Parallel LU Factorization on a GPU cluster. International Conference on Computational Science. Omaha, NE. June, 2012.
	2.	Hill, J.C. ___Scale Computing: How did we get here and where do we go next? DOE CSGF Annual Conference: 20th Anniversary Celebration, Washington, DC. July 2011.
	3.	Hartman-Baker, R. and J. Hill. HPC allocations at the Oak Ridge Leadership Computing Facility. DOE CSGF High Performance Computing Workshop. July 2011.
	4.	Hill, J., K. Evans, G. Fann and J. Jia. High-order deferred correction time integration methods for climate models. Minisymposium: Solving partial differential equations in practice. American Mathematical Society Southeastern Section Meeting, Richmond, VA. November 2010.
	5.	Hill, J.C., K.J. Evans, G.I. Fann, J. Jia, M.A. Taylor. A high order spectral deferred correction time integration method in CAM-HOMME. SOS14, Memphis, TN. October 2010.
	6.	Hill, J.C., K.J. Evans, G.I. Fann, J. Jia, M.A. Taylor. A high order spectral deferred correction time integration method in CAM-HOMME. Oak Ridge Climate Change Science Institute Advisory Board. September 2010.
	7.	Hill, J.C., What is Computational Science. NCCS Crash Course in Supercomputing 2010. Oak Ridge, TN. June, 2010.
	8.	Hill, J.C., Hybrid numerical methods for multiphysics and multidomain CFD problems. Department of Mechanical Engineering, University of Tennessee. Mar 2009.
	9.	Hill, J.C., Dynamic data-driven inversion for terascale simulations: Real-time identification of airborne contaminants. Young Investigators Symposium. Oak Ridge National Laboratory. Oct 2008.
	10.	Hill, J.C., B. van Bloemen Waanders, and K. Long. Towards an Optimal Control Approach for Drinking Water Decontamination. SIAM Conference on Control and Its Applications, San Francisco, CA, June 2007.
	11.	Hill, J.C., N. Walkington, and O. Ghattas. Toward Microstructural Simulation of Blood Flow on Parallel Computers. Seventh World Congress on Computational Mechanics (WCCM VII), Los Angeles, CA, July 2006.
	12.	Akcelik, V., G. Biros, A. Draganescu, O. Ghattas, J. Hill and B. van Bloemen Waanders. Inversion of Airborne Contaminants in a Regional Model. International Conference on Computational Science, Reading, England, May 2006.
	13.	Hill, J.C., N. Walkington, and O. Ghattas. Phase field methods for flows with elastic membranes. 2005 Department of Energy Computational Sciences Graduate Fellowship Conference, Washington, D.C., June 2005.
	14.	Hill, J.C. Microstructural simulation of blood flow on multi-teraflop computers. Computational Methods for Spatially Realistic Cellular Simulations, Pittsburgh, PA, August 2004.
	15.	Hill, J.C. Microstructural simulation of blood flow on parallel computers. 2003 SIAM Computational Science and Engineering Conference, San Diego, CA, February 2003.