Ran Chu Graduate Research Assistant Department of Physics and Astronomy The University of Tennessee Knoxville, TN 37996-1320 Dept Office: (865) 974-3342 rchu@vols.utk.edu GitHub, ORCID and arXiv

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Research Interests

• Core-Collapse Supernova Simulation; Neutrino Transport; Two-Moment Model

• Discontinuous Galerkin Method; Bound-Preserving Implicit-Explicit Runge-Kutta Method

• OpenAcc, OpenMP, OpenMPI

• Code: WeakLib, thornado, Flash-X, AMReX

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Projects

• ExaStar

  ExaStar is a collaboration between Berkeley Lab, Oak Ridge Lab, Argonne Lab, and Stony Brook University, and is an application development project within the DOE Exascale Computing Project.

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Publications

Papers

Journals

1. Exascale models of stellar explosions: Quintessential multi-physics simulation

   J. Austin Harris, Ran Chu, Sean M Couch, Anshu Dubey, Eirik Endeve,

   Antigoni Georgiadou, Rajeev Jain, Daniel Kasen, M P Laiu, OE B Messer,

   Jared O’Neal, Michael A Sandoval, Klaus Weide

   The International Journal of High Performance Computing Applications (2021) July PDF

2. A DG-IMEX method for two-moment neutrino transport: Nonlinear solvers for neutrino-matter coupling

   M. Paul Laiu, Eirik Endeve, Ran Chu, J. Austin Harris, O. E. Bronson Messer

   The Astrophysical Journal Supplement Series 253 (2021): 52 PDF

3. Realizability-Preserving DG-IMEX Method for the Two-Moment Model of Fermion Transport

   Ran Chu, Eirik Endeve, Cory Hauck, Anthony Mezzacappa

   Journal of Computational Physics 389 (2019): 62-93 PDF

   
   

   Proceedings

   Conferences

4. thornado-transport: Anderson- and GPU-accelerated nonlinear solvers for neutrino-matter coupling

   M Paul Laiu, J Austin Harris, Ran Chu, Eirik Endeve

   Journal of Physics: Conference Series. Vol. 1623. No. 1. IOP Publishing (2020) PDF

5. thornado-transport: IMEX schemes for two-moment neutrino transport respecting Fermi-Dirac statistics

   Ran Chu, Eirik Endeve, Cory Hauck, Anthony Mezzacappa, Bronson Messer

   Journal of Physics: Conference Series. Vol. 1225. No. 1. IOP Publishing (2019) PDF

   Program Report

6. Towards A Discontinuous Galerkin Method For The Multi-Group Two-Moment Model Of Neutrino Transport

   Eirik Endeve, Ran Chu, Anthony Mezzacappa, Bronson Messer

   ORNL, UT-Battelle, LLC (2018)

   
   

   Communications

   Oral

7. Bounded Runge-Kutta Discontinuous Galerkin Method for Neutrino Transport in CCSN Simulations

   Eirik Endeve, Ran Chu, Cory Hauck, Anthony Mezzacappa

   SIAM-SEAS (2019) Slides

8. Discontinuous Galerkin Method for Spectral Neutrino Transport

   Eirik Endeve, Ran Chu, Cory Hauck, Anthony Mezzacappa

   APS April X11.00006 (2018)

   Realizability-Preserving Discontinuous Galerkin Methods for Neutrino Transport

   Ran Chu, Eirik Endeve, Cory Hauck, Anthony Mezzacappa

   APS April X11.00006 (2018) Slides

9. Realizability-Preserving DG-IMEX Methods for Neutrino Transport

   Ran Chu, Eirik Endeve, Cory Hauck, Anthony Mezzacappa

   ASTRONUM (2018) Slides

   Poster & iPoster

10. CCSN Simulation with Spectral Two-Moment Neutrino Transport Using Flash-X+thornado

    Ran Chu, Eirik Endeve, Anthony Mezzacappa, Austin Harris, Paul Laiu, Bronson Messer

    APS April S17.00066 (2022) PDF

11. CCSN Simulation with Spectral Two-Moment Neutrino Transport Using FLASH

    Ran Chu, Austin Harris, Eirik Endeve, Bronson Messer, Anthony Mezzacappa

    APS April SP01.00025 (2021) PDF MP3

12. Coupling a DG-IMEX method for two-moment neutrino transport with FLASH

    Ran Chu, Eirik Endeve, Cory Hauck, Anthony Mezzacappa, Bronson Messer

    AAS January 268.03 (2019) Link PDF

13. Bound-Preserving Discontinuous Galerkin Methods for Neutrino Transport

    Ran Chu, Eirik Endeve, Cory Hauck, Anthony Mezzacappa

    APS April F01.00061 (2018) PDF

    
    

    Thesis & Comprehensive

14. Core-Collapse Supernova Simulations With Spectral Two-Moment Neutrino Transport

    Ran Chu (supervisors: Eirik Endeve, Anthony Mezzacappa)

    Comprehensive Document, Slides, University of Tennessee, Knoxville (2019)

15. Experimental Study On The Production Of Negative Ion Copper Clusters And Applications

    Ran Chu (supervisor Alfredo Galindo-Uribarri)

    Master Thesis, University of Tennessee, Knoxville (2016)

Last Modified: May 15th, 2022