Publications

Final report of activities for the LDRD-CIS project #226834 titled: ?Asymptotic preserving methods for fluid electron-fluid models in the large magnetic field limit with mathematically guaranteed properties?

Ignacio Tomas, John N. Shadid, Matthias Maier, Abner Salgado

https://www.osti.gov/search/identifier:1872178

Preconditioners for Plasma Physics and Magnetohydrodynamics: Handling Multiple Timescales

Preconditioning 2022International Conference on Preconditioning Techniques for Scientific and Industrial Applications

Eric Christopher Cyr, John N. Shadid, Raymond S. Tuminaro

Block Preconditioning for Magnetic Confinement Fusion Relevant Resistive MHD Simulations

8th European Congress on Computational Methods in Applied Sciences and Engineering

Peter Brian Ohm, Jesus Bonilla, Edward Geoffrey Phillips, John N. Shadid, Jonathan J. Hu, Raymond S. Tuminaro

On Scalable Preconditioners for Implicit Continuum Multiphysics Plasma Systems

8th European Congress on Computational Methods in Applied Sciences and Engineering

John N. Shadid

Scalable Solution of Implicit Continuum Models for Challenging Plasma Physics Systems

Eighth European Seminar on Computing (ESCO 2022)

John N. Shadid

Embedded error estimation and adaptive step-size control for optimal explicit strong stability preserving Runge?Kutta methods

Journal of Scientific Computing

Sidafa Conde, Imre Fekete, John N. Shadid

An adjoint based a posteriori error analysis for MHD

The 44th SIAM Southeastern Atlantic Section Conference

Ari Edward Rappaport, John N. Shadid, Jehanzeb Chaudhry

Block Preconditioning for Magnetic Confinement Fusion Relevant Resistive MHD Simulations

17th Copper Mountain Conference On Iterative Methods

Peter Brian Ohm, Jesus Bonilla de Toro, Edward Phillips, John N. Shadid, Jonathan J. Hu, Raymond S. Tuminaro

On Scalable Preconditioners for Implicit Continuum Multiphysics Plasma Systems

8th European Congress on Computational Methods in Applied Sciences and Engineering

John N. Shadid

Scalable Solution of Implicit Continuum Models for Challenging Plasma Physics Systems

Eighth European Seminar on Computing (ESCO 2022)

John N. Shadid

Embedded pairs for optimal explicit strong stability preserving Runge-Kutta methods

Journal of Computational and Applied Mathematics

John N. Shadid

https://www.osti.gov/search/identifier:1870469

A Monolithic Algebraic Multigrid Framework for Multiphysics Applications with Examples from Resistive MHD

Electronic Transactions on Numerical Analysis

Peter Brian Ohm, Jonathan J. Hu, John N. Shadid, Eric Christopher Cyr, Raymond S. Tuminaro, Tobias A. Wiesner

Fluid Plasma Model Development in Drekar

Trilinos User Group Meeting

Michael Meyers Crockatt, John N. Shadid, Roger P. Pawlowski, Sidafa Conde, Sibu Mabuza, Jesus Bonilla

Final report of activities for the LDRD-express project #223796 titled: ?Fluid models of charged species transport: numerical methods with mathematically guaranteed properties?, PI: Ignacio Tomas, Co-PI: John Shadid.

Ignacio Tomas, John N. Shadid, Michael Meyers Crockatt, Roger P. Pawlowski, Matthias Maier, Jean-Luc Guermond

https://www.osti.gov/search/identifier:1822320

Development of an Algorithmic Framework for the Simulation of Partially-Ionized Multifluid Plasma Systems with Arbitrarily Many Species

Z Fundamental Science Program Workshop 2021

Michael Meyers Crockatt, John N. Shadid, Sidafa Conde, Roger P. Pawlowski, Sibu Mabuza

Development, Implementation, and Verification of Partially-Ionized Collisional Multifluid Plasma Models in Drekar

Michael Meyers Crockatt, John N. Shadid

https://www.osti.gov/search/identifier:1817837

An Algebraic Monolithic Method for Volume-coupled Multiphysics Problems

The 9th ediiton of the International Conference on Computational Methods for Coupled Problems in Science and Engineering

Peter Brian Ohm, Raymond S. Tuminaro, Jonathan J. Hu, John N. Shadid, Eric Christopher Cyr, Tobias Wiesner

https://www.osti.gov/search/identifier:1872519

A Monolithic Algebraic Multigrid Approach for Coupled Multiphysics Problems using the MueLu Framework

Cm202120th Copper Mountain Conference On Multigrid Methods

Peter Brian Ohm, Raymond S. Tuminaro, John N. Shadid, Jonathan J. Hu, Tobias Wiesner, Eric Christopher Cyr

https://www.osti.gov/search/identifier:1861027

An Algebraic Monolithic Method for Volume-coupled Multiphysics Problems

SIAM Conference on Computational Science and Engineering

Peter Brian Ohm, Raymond S. Tuminaro, John N. Shadid, Jonathan J. Hu, Tobias Wiesner

https://www.osti.gov/search/identifier:1854312

On the performance of Krylov smoothing for fully coupled AMG preconditioners for VMS resistive MHD

International Journal on Numerical Methods in Engineering

John N. Shadid

Matrix-free subcell residual distribution for Bernstein finite elements: Monolithic limiting

Computers and Fluids

Hennes Hajduk, Dmitri Kuzmin, Tzanio Kolev, Ignacio Tomas, John N. Shadid

https://www.osti.gov/search/identifier:1769913

An Algebraic Monolithic Method for Volume-coupled Multiphysics Problems

IX International Conference on Coupled Problems in Science and Engineering

Peter Brian Ohm, Raymond S. Tuminaro, Jonathan J. Hu, John N. Shadid, Eric Christopher Cyr, Tobias Wiesner

Progress on an IMEX Multifluid EM Plasma Formulation for Challenging Fusion Related Applications

Wccm-eccomas Congress 2020

John N. Shadid

https://www.osti.gov/search/identifier:1834673

A Five-Moment Multifluid Model for Partially Ionized Plasmas With Arbitrarily Many Species

Eccomas Congress 2020 (WCCM 2020)

Michael Meyers Crockatt, John N. Shadid, Sidafa Conde, Roger P. Pawlowski, Sibu (Clemson) Mabuza

Finite Element Tools for Performance Portability of Implicit and IMEX Simulations on Next Generation Architectures

14th World Congress on Computational Mechanics (Virtual meeting)

Roger P. Pawlowski, Eric T. Phipps, Christian Robert Trott, Eric Christopher Cyr, John N. Shadid

https://www.osti.gov/search/identifier:1833498