Education
September 2014 - July 2018
- Was awarded a full time scholarship from the Heidelberg MathComp Graduate School.
- Performed multilevel domain decomposition methods analysis and parallel implementation for nonsymmetric elliptic and hyperbolic, singularly perturbed problems in supercomputer clusters.
- Implemented a cluster hybrid multithread+MPI parallel nonlinear particle transport in local thermodynamical equilibrium on distributed meshes.
2011
- Assisted a week course in the main topics of nuclear engineering: core physics, thermal hydraulics, materials, fuel, nuclear waste.
July 2001 - June 2007
- Was awarded a full time scholarship from the Argentina National Atomic Energy Commission.
- Specialized in neutron transport calculation using the finite element method for 3D neutronic calculations (Sn, Diffusion), scientific computing, code design and parallelization.
- Studied heat and mass transfer, fluid mechanics, nuclear physics, reactor design, safety.
Experience
September 2020 - Present
- Direct solution techniques for the scattering of time-harmonic waves with varying wavenumber.
September 2018 - August 2020
- Performed numerical analysis of domain decomposition multilevel methods for discontinuous Galerkin finite element discretizations.
- Used local Fourier analysis to prove explicit parameter formulas to optimize singularly perturbed reaction-diffusion equation systems.
January 2013 – August 2014
Technical Leader and Chief Developer
- Developed and maintained the code APOLLO2-A, a state-of-the-art fuel lattice multigroup industrial neutron transport code, part of the ARCADIA reactor analysis system used by Framatome worldwide.
- Modeled neutron transport in all geometries associated to nuclear fuel and up to full core level including specific experimental settings.
- Participated in the qualification of codes for use in nuclear design and exploitation in front of France, Germany and USA’s nuclear regulatory commissions.
November 2010 – December 2012
R&D Reactor Physics
- Performed research and development on neutron transport deterministic and stochastic code validation and verification.
- Calculated and interpreted results associated to complex geometries with different transport calculation techniques available from finite differences to Monte Carlo.
- Developed an explicit modeling of pin-by-pin local burnup history effects in core calculations.
July 2007 – November 2010
Neutronic codes and methods developer
- Developed neutron transport calculations and methods in the framework of the Small Modular Reactor CAREM project.
- Maintained and developed in-core and lattice nuclear fuel physics codes (PUMA, DRAGON).
- Studied thermal-hydraulics couplings (TherMIT).
- Validated codes qualification in front of safety authorities (ARN).
2009
Professor
- Nuclear Reactor Physics lecture.
Publications
[1] J. P. Lucero Lorca and M. Gander. Should multilevel methods for discontinuous Galerkin discretizations use discontinuous interpolation operators? Submitted. Preprint: arXiv:2103.02112 [math.NA].
[2] J. P. Lucero Lorca and M. Gander. Optimization of two-level methods for DG discretizations of reaction-diffusion equations. Submitted. Preprint: arXiv:2004.14100 [math.NA].
[3] J. P. Lucero Lorca and G. Kanschat. Multilevel Schwarz preconditioners for singularly perturbed symmetric reaction-diffusion systems. Electron. Trans. Numer. Anal. , 54 (2021), pp. 89–107. doi:10.1553/etna_vol54s89
[4] G. Kanschat and J. P. Lucero Lorca. A weakly penalized discontinuous Galerkin method for radiation in dense,
scattering media. CMAM , 16(4):563–577, 2016. doi:10.1515/cmam-2016-0023
Conferences
J. P. Lucero Lorca and M. Gander. Optimization of two-level methods for DG discretizations of reaction-diffusion equations. December 2020, Hong Kong.
J. P. Lucero Lorca and M. Gander. Fourier analysis of a two level nonoverlapping Schwarz preconditioner for the solution of a DG discretization of a reaction-diffusion equation. May 2019, Lugano, Switzerland.
J. P. Lucero Lorca and G. Kanschat. A nonlinear multilevel Schwarz preconditioner for a discontinuous Galerkin discretization of transport equations in local thermodynamic equilibrium. July 2018, St. John's, NL, Canada.
Organized minisymposium with M. Gander on Solvers and preconditioners for non-conforming discretization methods.
Finite Element Fair
J. P. Lucero Lorca and G. Kanschat. Parallel multiplicative Schwarz smoothers in particle transport problems. June 2017, Milan, Italy.
J. P. Lucero Lorca and G. Kanschat. A fast iterative method for non-linear LTE radiative transfer problems. February-March 2017, Atlanta, GA, USA.
Organized minisymposium with J. Ragusa on Advances in numerical methods and algorithms for radiation transport
J. P. Lucero Lorca and G. Kanschat. A fast iterative method for multigroup radiation diffusion problems. February 2017, Longyearbyen, Norway.
J. P. Lucero Lorca and G. Kanschat. Multigrid discontinuous Galerkin method for multigroup particle transport. August 2015, College Station, TX, USA.
Computer Skills
- Linux: Advanced, with server and cluster maintenance experience.
- Programming languages: C++ (advanced, including C++17 standard), Python, C, Bash, Fortran.
- Libraries: DEAL.II, Trilinos, MPI.
- Version control: Clearcase, SVN, Git.
- Build tools: Make, CMake, Autoconf.
Languages
- English, bilingual
- French, fluent, C2
- German, intermediate, B2
- Spanish, native
Contact
University of Colorado at Boulder
Department of Applied Mathematics
11 Engineering Dr
Boulder, CO 80309
+1 720 919 9118
+49 151 681 91830
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