Peter Brian Ohm

Computational Mathematics

Author profile picture

Computational Mathematics

pohm@sandia.gov

Sandia National Laboratories, New Mexico
P.O. Box 5800
Albuquerque, NM 87185-1320

Biography

My research interests are in scientific and high performance computing with a focus on preconditioners for multiphysics PDE systems. Special interests include algebraic and geometric multigrid and block preconditioning.

Education

  • Ph.D., Mathematics – Tufts University
  • M.S., Mechanical Engineering – University of Minnesota
  • B.A., Mathematics and Physics – St. Olaf College

Publications

Peter Brian Ohm, Matthias Mayr, Luc Berger-Vergiat, Raymond S. Tuminaro, (2022). Non-invasive Regional Multigrid for Semi-structured Grids Wccm-apcom Document ID: 1573621

Peter Brian Ohm, Jesus Bonilla, Edward Geoffrey Phillips, John N. Shadid, Jonathan J. Hu, Raymond S. Tuminaro, (2022). Block Preconditioning for Magnetic Confinement Fusion Relevant Resistive MHD Simulations 8th European Congress on Computational Methods in Applied Sciences and Engineering Document ID: 1539433

James Adler, Yunhui He, Xiaozhe Hu, Scott Maclachlan, Peter Brian Ohm, (2022). Monolithic Multigrid for a Reduced-Quadrature Discretization of Poroelasticity SIAM Journal on Scientific Computing Document ID: 1516516

Peter Brian Ohm, Jesus Bonilla de Toro, Edward Phillips, John N. Shadid, Jonathan J. Hu, Raymond S. Tuminaro, (2022). Block Preconditioning for Magnetic Confinement Fusion Relevant Resistive MHD Simulations 17th Copper Mountain Conference On Iterative Methods Document ID: 1493866

Peter Brian Ohm, Jonathan J. Hu, John N. Shadid, Eric Christopher Cyr, Raymond S. Tuminaro, Tobias A. Wiesner, (2022). A Monolithic Algebraic Multigrid Framework for Multiphysics Applications with Examples from Resistive MHD Electronic Transactions on Numerical Analysis Document ID: 1426688

Peter Brian Ohm, Raymond S. Tuminaro, Luc Berger-Vergiat, Matthias Mayr, (2021). Non-invasive Regional Multigrid for Semi-structured Grids 15th World Congress on Computational Mechanics Document ID: 1392717

Peter Brian Ohm, (2021). HPC, scientific computing, and multigrid The Tufts student chapter of SIAM Document ID: 1369342

Peter Brian Ohm, Raymond S. Tuminaro, Jonathan J. Hu, John N. Shadid, Eric Christopher Cyr, Tobias Wiesner, (2021). 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 https://www.osti.gov/search/identifier:1872519 Document ID: 1318805

Peter Brian Ohm, Raymond S. Tuminaro, John N. Shadid, Jonathan J. Hu, Tobias Wiesner, Eric Christopher Cyr, (2021). A Monolithic Algebraic Multigrid Approach for Coupled Multiphysics Problems using the MueLu Framework Cm202120th Copper Mountain Conference On Multigrid Methods https://www.osti.gov/search/identifier:1861027 Document ID: 1292489

Peter Brian Ohm, Raymond S. Tuminaro, John N. Shadid, Jonathan J. Hu, Tobias Wiesner, (2021). An Algebraic Monolithic Method for Volume-coupled Multiphysics Problems SIAM Conference on Computational Science and Engineering https://www.osti.gov/search/identifier:1854312 Document ID: 1279979

Peter Brian Ohm, Raymond S. Tuminaro, Jonathan J. Hu, John N. Shadid, Eric Christopher Cyr, Tobias Wiesner, (2021). An Algebraic Monolithic Method for Volume-coupled Multiphysics Problems IX International Conference on Coupled Problems in Science and Engineering Document ID: 1267068

Peter Brian Ohm, James Adler, Xiaozhe Hu, Ludmil Zikatanov, Francisco Gaspar, Carmen Rodrigo, Yunhui He, Scott MacLachlan, (2020). Monolithic Multigrid for a Reduced-Quadrature Discretization of Poroelasticity 26th International Domain Decomposition Conference https://www.osti.gov/search/identifier:1835006 Document ID: 1243455

Luc Berger-Vergiat, Matthias Mayr, Peter Brian Ohm, (2019). An algebraic multigrid method tailored to semi-structured grids 2019 SIAM Conference on Computational Science and Engineering https://www.osti.gov/search/identifier:1641461 Document ID: 925251

Luc Berger-Vergiat, Raymond S. Tuminaro, Peter Brian Ohm, (2019). Structured grid approach to accelerate multigrid on NGP 19th Copper Mountain conference on Multigrid Methods https://www.osti.gov/search/identifier:1639566 Document ID: 947889

Luc Berger-Vergiat, Raymond S. Tuminaro, Peter Brian Ohm, (2018). Structured grid algorithms in MueLu 15th Copper Mountain Conference On Iterative Methods https://www.osti.gov/search/identifier:1506566 Document ID: 783293

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