Research Interests

  • Automation of equation discovery, specification, differentiation, and parallelization.
  • Machine learning, differentiable programming, and program synthesis.
  • Exploitation of latent spaces from unsupervised representation learning.
  • Development and design of new energy resources, including geothermal systems, nonconventional hydrocarbons, and carbon sequestration.
  • Electrodynamics and electromagnetic structure interaction.

Skill Set

  • Software engineering, testing, verification, and validation for scientific and engineering applications.
  • Theoretical and empirical analysis of new algorithms and computational methods.
  • Algorithmic development and programming for high performance computation.
  • Use of exotic computing architectures, such as GPUs and FPGAs.

Open Source Repositories

Education

2011–2015 University of California, Berkeley
Ph.D. in Mechanical Engineering, May 2015
Designated Emphasis in Computational and Data Science and Engineering
Dissertation: Microscale Simulation of the Mechanical and
Electromagnetic Behavior of Textiles

M.Sc. in Mechanical Engineering, December 2013
Thesis: A Computational Model of Electromagnetically Sensitive
Fabric Armor Colliding with a Rigid Projectile

2007–2011 Carnegie Mellon University
B.Sc. in Mechanical Engineering, May 2011

Professional Experience

Feb 2018 – Dec 2019 Project Scientist in Earth and Environmental Sciences
Oct 2015 – Feb 2018 Post-doctoral Researcher
Lawrence Berkeley National Laboratory

May–Oct 2015 Post-doctoral Researcher in Computational Materials Research Lab
2011–2015 Graduate Researcher
University of California, Berkeley

May–Aug 2014 U.S. Army Contractor at Adelphi Laboratory Center
Army Research Lab, Adelphi, MD

May–Aug 2013 Graduate Researcher in Advanced Technologies Group of Engineering Division
Lawrence Berkeley National Laboratory

2008–2011 Undergraduate Researcher in Particle Flow and Tribology Lab
Carnegie Mellon University

Teaching

Fall 2012, 2014 Graduate Student Instructor: ME280A Introduction to Finite Element Methods, University of California, Berkeley

Publications

  1. Abali, B. E. and A. F. Queiruga, “Theory and computation of electromagnetic fields and thermomechanical structure interaction for systems undergoing large deformations,” accepted in press in the Journal of Computational Physics.
    doi: 10.1016/j.jcp.2019.05.045
    Github: https://github.com/afqueiruga/EMSI-2018
  2. Reagan, M. T., G. J. Moridis, and A. F. Queiruga, “Simulation of Gas Production from Multilayered Hydrate Bearing Media with Fully Coupled Flow, Thermal, Chemical and Geomechanical Processes using TOUGH+Millstone: Part 3: Production Simulation Results,” Transport in Porous Media, 2019. doi: 10.1007/s11242-019-01283-1
  3. Reagan, M. T., G. J. Moridis, A. F. Queiruga, and S.J. Kim, “System Response to Gas Production from a Heterogeneous Hydrate Accumulation at the UBGH2-6 Site of the Ulleung Basin in the Korean East Sea,” Journal of Petroleum Science and Engineering, 2019. doi: 10.1016/j.petrol.2019.03.058
  4. Moridis, G. J., A. F. Queiruga, and M. T. Reagan, “Simulation of Gas Production from Multilayered Hydrate Bearing Media with Fully Coupled Flow, Thermal, Chemical and Geomechanical Processes using TOUGH+Millstone: Part 1: Numerical Modeling of Hydrates,” Transport in Porous Media, 2019. doi: 10.1007/s11242-019-01254-6
  5. Queiruga, A. F., G. J. Moridis, and M. T. Reagan, “Simulation of Gas Production from Multilayered Hydrate Bearing Media with Fully Coupled Flow, Thermal, Chemical and Geomechanical Processes using TOUGH+Millstone: Part 2: Geomechanical Formulation and Numerical Coupling,” Transport in Porous Media, 2019. doi: 10.1007/s11242-019-01242-w
  6. Reagan, M. T., G. J. Moridis, A. F. Queiruga, and R. Boswell. “Evaluation of the Performance of the Oceanic Hydrate Accumulation at Site NGHP-02-09 in the Krishna-Godawari Basin During a Production Test and Under Full Production”, Marine and Petroleum Geology, 2018. (In Press) doi: 10.1016/j.marpetgeo.2018.12.001
  7. Queiruga, A. F. and G. J. Moridis, “Numerical experiments on the convergence properties of state-based peridynamic laws and influence functions in two-dimensional problems.” Computer Methods in Applied Mechanics and Engineering 322 (2017): 97-122. doi: 10.1016/j.cma.2017.04.016
  8. Queiruga, A. F. and T. Zohdi, “Microscale modeling of effective mechanical and electrical properties of textiles,” International Journal for Numerical Methods in Engineering, 2016. doi: 10.1002/nme.5268
  9. Queiruga, A. F. and T. Zohdi, “Formulation and numerical analysis of a fully-coupled dynamically deforming electromagnetic wire,” Computer Methods in Applied Mechanics and Engineering, vol. 305, pp. 292–315, 2016. doi: 10.1016/j.cma.2016.02.035
  10. Mpagazehe, J. N., A. F. Queiruga, and C. F. Higgs, “Towards an understanding of the drilling process for fossil fuel energy: A continuum-discrete approach,” Tribology International, vol. 59, pp. 273–283, 2013. doi: 10.1016/j.triboint.2012.08.001

Invited Talks

  1. Queiruga, A. F., “Machine Determination of Better Representations of Multiphase Equation of States for Subsurface Flow Simulation,” Machine Learning in Solid Earth Geoscience, Santa Fe, Nevada, March 2019.
  2. Queiruga, A. F., “Fully Coupled Multimesh Algorithms for Nonisothermal Multiphase Flow and Mechanics in Geological Formations”, SIAM Conference on Mathematical & Computational Issues in Geosciences, Houston, Texas, March 2019.
  3. Queiruga, A. F. and G. J. Moridis, “Numerical experiments on the convergence properties of state-based peridynamic laws and influence functions in two-dimensional problems,” World Congress of Computational Mechanics, New York City, New York, July 2018.
  4. Queiruga, A. F. and G. J. Moridis, “Smoothing Methods to Address the Numerical Stability of Peridynamics Near the Fracture Tip in Hydraulic Extension,” 18th U.S. National Congress for Theoretical and Applied Mechanics, Rosemont, Illinois, June 2018.
  5. Pride, S., A. F. Queiruga, and M. Commer, “Changes in Geophysical Properties Caused by Brine Injection into Porous Rocks,” AGU Fall Meeting, New Orleans, LA, December 2017. (presenting author)

Conference Papers and Presentations

  1. Moridis, G.J., Reagan, M.T., Queiruga, A.F., “Gas Hydrate Production Testing: Design Process and Modeling Results,” Proc. 2019 Offshore Technology Conference, Houston, TX, 6-9 May 2019.
  2. A. F. Queiruga, M. T. Reagan, and G. J. Moridis, “New Numerical Methods for Reservoir-Scale Fractured System Simulations,” International Petroleum Technology Conference, Beijing, China, March 2019. (originally a poster: “Interdependence of Flow and Geomechanical Processes During Short- and Long-Term Gas Displacement EOR Processes in Fractured Shale Oil Formations”)
  3. A. F. Queiruga, M. T. Reagan, and G. J. Moridis, “A dual-mesh framework for fully coupled flow and geomechanics in the TOUGH+Millstone suite,” 2018 TOUGH Symposium, Berkeley, CA, October 2018.
  4. Michael J. Hannon, Jr., A.F. Queiruga, S. Finsterle, “Enhanced flux modeling using a moving least squares interpolation basis in iTOUGH2,” 2018 TOUGH Symposium, Berkeley, CA, October 2018.
  5. George Moridis, M.T. Reagan, A.F. Queiruga, R. Boswell, “Coupled Flow-Geomechnical Modeling of The Oceanic Hydrate Accumulation at The NGHP-02-9 Production Test Site in the Krishna-Godawari Basin,” 2018 TOUGH Symposium, Berkeley, CA, October 2018.
  6. Moridis, G. J., M. T. Reagan, and A. F. Queiruga, “ Geomechanical stability and overall system behavior of sloping oceanic accumulations of hydrates responding to dissociation stimuli”, Offshore Technology Conference, Kuala Lumpur, Malaysia, March, 2018.
  7. Moridis, G. J., A. F. Queiruga, and M. T. Reagan, “Analysis of the flow, thermal and geomechanical behavior of offshore hydrate deposits at the NGHP-02-09-A site during short- and long-term gas production scenarios,” AGU Fall Meeting, New Orleans, LA, December 2017. (presenting author)
  8. Moridis, G. J., A. F. Queiruga, and M. T. Reagan, “The T+H+M Code for the Analysis of Coupled Flow, Thermal, Chemical and Geomechanical Processes in Hydrate-Bearing Geologic Media,” 9th International Gas Hydrates Conference, Denver, CO, June, 2017. (presenting author)
  9. Moridis, G. J., M. T. Reagan and A. F. Queiruga, Long-term System Behavior Following Cessation of Gas Production from Hydrate Deposits,” 9th International Gas Hydrates Conference, Denver, CO, June, 2017.
  10. Queiruga, A. F. and G. J. Moridis, “NG21A-1806: Numerical Simulation of Hydraulic Fracture Propagation using Fully-Coupled Peridynamics, Thin-Film Flow, and Darcian Flow”, AGU Fall Meeting, San Francisco, CA, December 2016.
  11. Reagan, M. T., G. J. Moridis and A. F. Queiruga, “B21G-0510: Long-term fate of hydrate-bearing reservoirs during and after production”, AGU Fall Meeting, San Francisco, CA, December 2016.
  12. Serrano, C.; Doolittle, L. R.; Driver, D. S.; Queiruga, A. F.; Patel, B.; Zaky, Z.; Llimona, Q., “End-to-End FEL Beam Stability Simulation Engine,” Proceedings of the 7th International Particle Accelerator Conference, January 2016.
  13. Alejandro F. Queiruga, Daniel S. Driver, Carlos Serrano, Lawrence Doolittle. “New Generation of LLRF and Beam-Based Feedback Stability Models,” Low Level RF Workshop, October 2013.
  14. Alejandro F. Queiruga, C. Fred Higgs III. “Optimization and Parallelization in Particle Dynamics Simulation,” Carnegie Mellon Meeting of the Minds, May 2010.
  15. Alejandro F. Queiruga, C. Fred Higgs III. “Parallelization in Granular Flow Research,” Carnegie Mellon Meeting of the Minds, May 2009.

Non-refereed works

  • J. Newman, B. Cariste, A. Queiruga, I. Davis, B. Plotnick, M. Gordon, and S. San Martín, “Thermoacoustic refrigeration,” GSET Res. J., pp. 1–9, 2006.

Notable Software