
Judith Hill Scientific Computing Group National Center for Computational Science Oak Ridge National Laboratory Oak Ridge, TN Phone: 8655768453 Fax: 8652412850 







Research 








Refereed Publications 


1. 
J. Jia, J. Hill, K. Evans and
G. Fann. A spectral deferred correction method in time applied to solving the
shallowwater equations.
Submitted to Monthly Weather Review. 

2. 
M. G. Reuter and J. C.
Hill. An Efficient,
BlockbyBlock Algorithm for Inverting a Block Tridiagonal, Nearly Block
Toeplitz Matrix. Computational
Science & Discovery. 5. 2012. 

3. 
E. DÕAzevedo and J.C. Hill.
Parallel LU Factorization on a GPU cluster. Procedia Computer Science. Vol. 9, pp. 6775. 2012. 

4. 
J. Pei, G. Fann, R. Harrison,
W. Nazarewicz, J. Hill, D. Galindo, and J. Jia. CoordinateSpace
HartreeFockBogoliubov Solvers for Superßuid 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 largescale linear inverse problems based on
lowrank 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 3D NavierStokes 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.
Hessianbased model reduction for largescale 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 PDEconstrained 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
datadriven inversion for terascale simulations: Realtime 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. Coplanar crack interaction
in cleaved mica. International Journal of Fracture, 120(12) 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/MCSTM321, 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
SAND20060074, 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
SAND20046574, 2005. 



Selected Presentations 


1. 
E. DÕAzevedo 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. 
HartmanBaker, 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. Highorder 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 CAMHOMME. 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 CAMHOMME. 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 datadriven inversion
for terascale simulations: Realtime 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 multiteraflop 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. 