## Selected Publications

### Book chapter

"Gradient-Enhanced Polynomial Chaos Methods for Circuit Simulation," Eric R. Keiter, Laura P. Swiler and Ian Z. Wilcox, in Scientific Computing in Electrical Engineering. Mathematics in Industry, Langer, Amrhein and Walter Zulehner, Eds. Springer, Cham, vol 28, 2018.

"Parallel transistor-level circuit simulation," Eric R. Keiter, Heidi K. Thornquist, Robert J. Hoekstra, Thomas V. Russo, Richard L. Schiek and Eric L. Rankin, in *Advanced Simulation and Verification of Electronic and Biological Systems*, Peng Li, Luís Miguel Silveira, and Peter Feldmann, Eds. New York, NY: Springer, 2011, ch. 1, pp. 1-21.

### Preprints

"Predictor/Corrector Newton-Raphson (PCNR): A Simple, Flexible, Scalable, Modular, and Consistent Replacement for Limiting in Circuit Simulation," Karthik V. Aadithya, Eric R. Keiter and Ting Mei.

"Development, Demonstration, and Validation of Data-driven Compact Diode Models for Circuit Simulation and Analysis," Karthik V. Aadithya, Paul A. Kuberry, Biliana Paskaleva, Pavel B. Bochev, Kenneth Leeson, Alan Mar, Ting Mei, and Eric R. Keiter.

### Papers

"N2A: a computational tool for modeling from neurons to algorithms," Fredrick Rothganger, Christina E. Warrender, Derek Trumbo and James B. Aimone. *Frontiers in Neural Circuits*, Volume 8, Article No. 1, 2014.

"Electrical modeling and simulation for stockpile stewardship," Heidi K. Thornquist, Eric R. Keiter and Sivasankaran Rajamanickam, *ACM XRDS*, Volume 19, No. 3, pp 18–22, March 2013.

"A Physics-Based Device Model of Transient Neutron Damage in Bipolar Junction Transistors," Eric R. Keiter, Thomas V. Russo, Charles E. Hembree and Kenneth E. Kambour, *IEEE Trans. Nucl. Sci.*, vol. 57, no. 6, pp. 3305–3313, Dec. 2010.

"Analytic 1-D *pn* Junction Diode Photocurrent Solutions Following Ionizing Radiation and Including Time-Dependent Changes in the Carrier Lifetime From a Nonconcurrent Neutron Pulse," Carl L. Axness, Bert Kerr and Eric R. Keiter, *IEEE Trans. Nucl. Sci.*, vol. 57, no. 6, pp. 3314–3321, Dec. 2010.

"Robust, stable time-domain methods for solving MPDEs of fast/slow systems," Ting Mei, Jaijeet Roychowdhury, Todd S. Coffey, Scott A. Hutchinson and David M. Day, *IEEE Trans. Comput.-Aided Design Integr. Circuits Syst.*, vol. 24, no. 2, pp. 226–239, Feb. 2005.

"Analytic light—or radiation—induced pn junction photocurrent solutions to the multidimensional ambipolar diffusion equation," C. L. Axness, B. Kerr and T. F. Wunsch, *J. Appl. Phys.*, vol. 96, no. 5, pp. 2646–2655, May 2004.

### Workshops

In 2002 and 2004, Sandia National Laboratories' Computer Science Research Institute sponsored the Numerical Aspects of Circuit & Device Modeling Workshops (NACDM).

### Conference Proceedings

"DAGSENS: Directed acyclic graph based direct and adjoint transient sensitivity analysis for event-driven objective functions," Karthik V. Aadithya, Eric R. Keiter, and Ting Mei, in *IEEE/ACM Int. Conf. Computer-Aided Design (ICCAD)*, Irvine, CA, 2017.

"Basker: A Threaded Sparse LU Factorization Utilizing Hierarchical Parallelism and Data Layouts," J. Booth, S. Rajamanickam and H. Thornquist, in *Proceedings of the 2016 IEEE International Parallel and Distributed Processing Symposium Workshops (IPDPSW)*, Chicago, IL, 2016 pp. 673-682.

"A Hybrid Approach for Parallel Transistor-Level Full Chip Circuit Simulation," Heidi K. Thornquist and Siva Rajamanickam, in Daydé M., Marques O., Nakajima K. (eds) *High Performance Computing for Computational Science – VECPAR 2014*, Lecture Notes in Computer Science, vol 8969. Springer, Cham.

"A new time-dependent analytic compact model for radiation-induced photocurrent in epitaxial structures," Jason C. Verley, Eric R. Keiter, Charles E. Hembree, Carl L. Axness and Bert Kerr, in *Proc. SISPAD*, Glasgow, UK, 2013, pp. 228–231.

"Enabling Next-Generation Parallel Circuit Simulation with Trilinos," Chris Baker, Erik Boman, Mike Heroux, Eric Keiter, Siva Rajamanickam, Rich Schiek and Heidi Thornquist, in *Euro-Par 2011: Parallel Processing Workshops* (Lecture Notes in Computer Science vol. 7155), Michael Alexander, *et al.*, Eds. New York, NY: Springer, 2012, pp. 315–323.

"Structure preserving reduced-order modeling of linear periodic time-varying systems," Ting Mei, Heidi K. Thornquist, Eric R. Keiter and Scott A. Hutchinson, in *IEEE/ACM Int. Conf. Computer-Aided Design (ICCAD)*, San Jose, CA, 2011, pp.361–366.

"The use of electric circuit simulation for power grid dynamics," David A. Schoenwald, Karina Munoz, William C. McLendon and Thomas V. Russo, in *American Control Conf. (ACC)*, San Francisco, CA, 2011, pp. 1151–1156.

"A parallel preconditioning strategy for efficient transistor-level circuit simulation,” Heidi K. Thornquist, Eric R. Keiter, Robert J. Hoekstra, David M. Day and Erik G. Boman, in *IEEE/ACM Int. Conf. Computer-Aided Design (ICCAD),* San Jose, CA, 2009, pp. 410–417.

"Mixed-Signal Simulation with the Simbus Backplane," Douglas R. Hickey, Philip A. Wilsey, Robert J. Hoekstra, Eric R. Keiter, Scott A. Hutchinson and Thomas V. Russo, in* Proc. 39th Annu. Simulation Symposium*, Huntsville, AL, 2006, pp. 223–229.

"Robust, stable time-domain methods for solving MPDEs of fast/slow systems," Ting Mei, Jaijeet Roychowdhury, Todd S. Coffey, Scott A. Hutchinson and David M Day, *Proc. Design Automation Conf. (DAC)*, San Diego, CA, 2004, pp. 848–853.

"Scheduling Optimization on the Simbus Backplane," Dale E. Martin, Philip A. Wilsey, Robert J. Hoekstra, Eric R. Keiter, Scott A. Hutchinson, Thomas V. Russo and Lon J. Waters, *Proc. 37th **Annu. Simulation Symp*., Arlington, VA, 2004, pp. 231–237.

"Mixed-signal simulation by way of the Simbus backplane," by Dale E. Martin, Philip A. Wilsey, Robert J. Hoekstra, Eric R. Keiter, Scott A. Hutchinson and Thomas V. Russo, *Proc. IEEE Int.* *Behavioral Modeling and Simulation Conf. (BMAS)*, San Jose, CA, 2004, pp. 74–79.

"Redesigning the WARPED Simulation Kernel for Analysis and Application Development," Dale E. Martin, Philip A. Wilsey, Robert J. Hoekstra, Eric R. Keiter, Scott A. Hutchinson, Thomas V. Russo and Lon J. Waters, *Proc. 36th Annu. Simulation Symp.*, Orlando, FL, 2003, pp. 216–223.

"Integrating Multiple Parallel Simulation Engines for Mixed-Technology Parallel Simulation," Dale E. Martin, Philip A. Wilsey, Robert J. Hoekstra, Eric R. Keiter, Scott A. Hutchinson and Lon J. Waters, *Proc. 35th **Annu. Simulation Symp*., San Deigo, CA, 2002, pp. 45–52.

"The Xyce™ Parallel Electronic Simulator - An Overview," S. Hutchinson, E. Keiter, R. Hoekstra, H. Watts, A. Waters, R. Schells, S. Wix and C. Bogdan, in *Parallel Computing Advances and Current Issues** (Proc. Int. Conf. ParCo2001*), G. R. Joubert, A. Murli, F. J. Peters, M. Vanneschi, Eds. London, UK: Imperial College Press, 2002, pp. 165–172.

### Reports

"DAGSENS: Directed Acyclic Graph Based Direct and Adjoint Transient Sensitivity Analysis for Event-Driven Objective Functions," Karthik V. Aadithya, Eric Keiter, and Ting Mei. *Sandia Report SAND2017-8569*, August 2017.

"A new time-dependent analytic model for radiation-induced photocurrent in finite 1D epitaxial diodes," Bert Kerr, Carl L. Axness, Jason C. Verley, Charles E. Hembree, and Eric R. Keiter. *Sandia Report SAND2012-2161*, April 2012.

"Accelerating Transient Simulation of Linear Reduced Order Models," Brad Bond, Eric Keiter, Ting Mei, and Heidi Thornquist. *Sandia Report SAND2011-6223*, October 2011.

"Solution Methods for Very Highly Integrated Circuits," Heidi K. Thornquist, Keith R. Santarelli, Ting Mei, Raymond S. Tuminaro, Ryan Nong, Yao Chen, *Sandia Report SAND2010-8815*, December 2010.

"The Xygra EM Gun Simulation Tool," D. C. Lamppa, C. J. Garasi, A. C. Robinson, T. V. Russo, D. N. Shirley, and M. S. Aubuchon, *Sandia Report SAND2008-8227,* December 2008

"Xyce Parallel Electronic Simulator: Biological Pathway Modeling and Simulation," Richard L. Schiek and Elebeoba E May. *Sandia Report SAND2006-1993P*, September 2006.

"Computational Algorithms for Device-Circuit Coupling," E. R. Keiter, S. A. Hutchinson, R. J. Hoekstra, E. L. Rankin, T. Russo, and L. Waters, *Sandia Report SAND2003-0080*, January 2003.