Publications:

    2021:

  1. A. Abdelfattah, V. Barra, N. Beams, R. Bleile, J. Brown, J-S. Camier, R. Carson, N. Chalmers, V. Dobrev, Y. Dudouit, P. Fischer, A. Karakus, S. Kerkemeier, Y-H. Lan, E. Merzari, M. Min, M. Phillips, T. Rathnayake, R. Rieben, T. Stitt, A. Tomboulides, S. Tomov, V. Tomov, A. Vargas, T. Warburton, K. Weiss, GPU Algorithms for Efficient Exascale Discretizations, Parallel Computing, (2021) (PDF)

  2. J. Brown, A. Abdelfattah, V. Barra, N. Beams, J-S. Camier, V. Dobrev, Y. Dudouit, L. Ghaffari, T. Kolev, D. Medina, W. Pazner, T. Ratnayaka, J. Thompson, S. Tomov, libCEED: Fast algebra for high-order element-based discretizations, Journal of Open Source Software, 6, 2945 (2021) (PDF)

  3. T. Kolev, P. Fischer, M. Min, J. Dongarra J. Brown, V. Dobrev, T. Warburton, S. Tomov, M. Shephard, A. Abdelfattah, V. Barra, N. Beams, J-S. Camier, N. Chalmers, Y. Dudouit, A. Karakus, I. Karlin, S. Kerkemeier, Y-H. Lan, D. Medina, E. Merzari, A. Obabko, W. Pazner, T. Rathnayake, C. Smith, L. Spies, K. Swirydowicz, J. Thompson, A. Tomboulides, Efficient Exascale Discretizations: High-order finite element methods, International Journal of High Performance Computing Applications, (2021) (PDF)

  4. A. Mehraban, J. Thompson, J. Brown, R. Regueiro, V. Barra, H. Tufo, Simulating Compressible and Nearly-Incompressible Linear Elasticity Using An Efficient Parallel Scalable Matrix-Free High-order Finite Element Method, 14th World Congress on Computational Mechanics (WCCM) - European Community on Computational Methods in Applied Sciences (ECCOMAS) Congress 2020 (2021)

  5. A. Mehraban, J. Brown, V. Barra, H. Tufo, J. Thompson, R. Regueiro, Efficient Residual and Matrix-free Jacobian Evaluation for Three-Dimensional Tri-Quadratic Hexahedral Finite Elements with Nearly-Incompressible Neo-Hookean Hyperelasticity applied to Soft Materials on Unstructured meshes in Parallel, with PETSc and libCEED, Proceedings of the ASME 2020 International Mechanical Engineering Congress and Exposition, 12: Mechanics of Solids, Structures, and Fluids (2021)


  6. 2020:

  7. V. Barra, J. Brown, J. Thompson, Y. Dudouit, High-performance operator evaluations with ease of use: libCEED's Python interface, Proceedings of the 19th Python in Science Conference, 85-90 (2020) (PDF)

  8. 2019:

  9. V. Barra, S. Afkhami, L. Kondic, Thin viscoelastic dewetting films of Jeffreys type subjected to gravity and substrate interactions, the European Physical Journal E, 42, (12)1-14 (2019) (PDF)

  10. 2018:

  11. V. Barra, S. A. Chester, S. Afkhami, Numerical Simulations of Nearly Incompressible Viscoelastic Membranes, Computers and Fluids, 175, 36-47 (2018) (PDF)
  12. V. Barra, Ph. D. Dissertation,Numerical Simulations of Thin Viscoelastic Films, New Jersey Institute of Technology, (2018), (mirror)

  13. 2016:

  14. V. Barra, S. Afkhami, L. Kondic, Interfacial dynamics of thin viscoelastic films and drops, Journal of Non-Newtonian Fluid Mechanics, 237, 26-38 (2016) (PDF)

Technical Reports and Manuals:

    2021:

  1. A. Abdelfattah, V. Barra,N. Beams, J. Brown, J-S. Camier, V. Dobrev, Y. Dudouit, L. Ghaffari, T. Kolev, D. Medina, W. Pazner, T. Ratnayaka, J. Thompson, S. Tomov, libCEED User Manual v0.8
  2. Water flow through plants and its impact on climate - Final Report for the Graduate Student Mathematical Modeling Camp (GSMMC 2021) workshop - Role : Mentor

    2020:

  3. A. Abdelfattah, V. Barra,N. Beams, J. Brown, J-S. Camier, V. Dobrev, Y. Dudouit, L. Ghaffari, T. Kolev, D. Medina, T. Ratnayaka, J. Thompson, S. Tomov, libCEED User Manual v0.7
  4. CEED ECP Milestone Report: Improve performance and capabilities of CEED-enabled ECP applications on Summit/Sierra (mirror)

  5. 2019:

  6. CEED ECP Milestone Report: : Performance tuning of CEED software and 1st and 2nd wave apps (mirror)

  7. CEED ECP Milestone Report: Improved Support for Parallel Adaptive Simulation in CEED (mirror)

  8. CEED ECP Milestone Report: Public release of CEED 2.0 (mirror)

  9. 2018:

  10. The Problem of Freezing of Copper Water Heat Pipes - Final Report for the Mathematical Problems in the Industry (MPI 2018) workshop (mirror)

  11. 2017:

  12. Predicting Exacerbation and Associated Triage in COPD Patients - Executive Summary for the Mathematical Problems in the Industry (MPI 2017) workshop (mirror)

  13. 2016:

  14. Scoring Practices for Remote Sensing - Final Report for the Mathematical Problems in the Industry (MPI 2016) workshop (mirror)

  15. 2015:

  16. Methods for Thin Nearly Flat Elastic Shells with Stretching and Bending - Final Report for the Mathematical Problems in the Industry (MPI 2015) workshop (mirror)

  17. 2014:

  18. Structure-Performance Relations in Fibrous Materials - Executive Summary for the Mathematical Problems in the Industry (MPI 2015) workshop (mirror)
  19. A smooth ride on a bumpy road - Final Report for the Graduate Student Mathematical Modeling Camp (GSMMC 2014) workshop (mirror)

Selected Contributed Talk Abstracts:

    2020:

  1. Performance-portable interfaces for applications in Scientific Computing - SIAM Annual Meeting, (online conference) Toronto, Canada (mirror)

  2. 2019:

  3. On performance portability and library reuse: A Navier-Stokes miniapp - International Congress for Industrial and Applied Mathematics, Valencia, Spain (mirror)

  4. Efficient Solver Composition with High-order Methods - SIAM Conference on Computational Science and Engineering, Spokane, WA [video recording] (mirror)

  5. 2018:

  6. Numerical Simulations of Thin Viscoelastic Sheets - AMS Joint Mathematics Meetings, San Diego, CA (abstract)

  7. 2016:

  8. Wetting and Dewetting of Thin Viscoelastic Drops - SIAM Annual Meeting, Boston, MA (mirror)

  9. Interfacial dynamics of thin viscoelastic films and drops - The Fifth Annual Northeast Complex Fluids and Soft Matter Workshop, NYU Tandon School of Engineering, New York, NY (mirror)

Selected Posters:

    2019:

  1. Lightweight High-Order Finite Elements Library with Performance Portability and Extensibility Supercomputing 2019, Denver, CO (poster) (abstract mirror) (2-page summary)

  2. Performance Portability with Matrix-Free Finite Element Operators - PETSc User Meeting 2019, Georgia Tech, Atlanta, GA (poster) (abstract mirror)

  3. 2017:

  4. Gravity-driven instabilities of thin viscoelastic films on an inverted plane - Frontiers in Applied and Computational Mathematics, NJIT, Newark, NJ (poster)

  5. 2015:

  6. Surface instabilities and droplets formation in thin viscoelastic films - Graduate Student Research Day, NJIT, Newark, NJ (poster)

  7. Numerical Study of Thin Layers of Viscoelastic Fluids - Scientista Symposium - Microsoft, New York, NY (poster)

  8. Numerical Study of Thin Viscoelastic Films on Substrates - Frontiers in Applied and Computational Mathematics, NJIT, Newark, NJ (poster)

  9. Numerical Study of Thin Viscoelastic Films on Substrates - SIAM Conference on Computational Science and Engineering, Salt Lake City, UT (poster)

  10. 2014:

  11. Interfacial instability of thin viscoelastic liquid films - Graduate Student Research Day, NJIT, Newark, NJ (poster)

  12. Linear stability analysis of thin viscoelastic liquid of Jeffreys type with van der Waals interaction - Frontiers in Applied and Computational Mathematics, NJIT, Newark, NJ (poster)