John Henry Judah Niederhaus

Angel Rodriguez, John Niederhaus, Wesley Greenwood, Christopher Clutz, (2021). Discrete modeling of a transformer with ALEGRA https://doi.org/10.2172/1855070 Publication ID: 77124

John Niederhaus, (2021). Verification and validation for computational electromagnetics in the ALEGRA code https://www.osti.gov/servlets/purl/1894431 Publication ID: 76420

Robert Doney, John Niederhaus, Timothy Fuller, Matthew Coppinger, (2021). Effects of EOS and constitutive models on simulating copper shaped charge jets in ALEGRA 2019 15th Hypervelocity Impact Symposium, HVIS 2019 https://doi.org/10.1115/HVIS2019-010 Publication ID: 70249

Matthew Coppinger, W. Uhlig, John Niederhaus, (2021). Simulating lateral drift of a shaped charge jet in ALEGRA 2019 15th Hypervelocity Impact Symposium, HVIS 2019 https://doi.org/10.1115/HVIS2019-024 Publication ID: 70254

Irina Tezaur, Thomas Voth, John Niederhaus, (2019). XFEM Development in the ALEGRA Code https://www.osti.gov/servlets/purl/1646371 Publication ID: 66736

John Niederhaus, Pin Yang, Christopher DiAntonio, George Vunni, (2019). Finite-element modeling for an explosively loaded ferroelectric generator https://doi.org/10.2172/1571553 Publication ID: 65764

Kenneth Chen, Larry Warne, Roy Jorgenson, John Niederhaus, (2019). TATB Sensitivity to Shocks from Electrical Arcs Propellants, Explosives, Pyrotechnics https://doi.org/10.1002/prep.201800286 Publication ID: 64010

Brady Aydelotte, John Niederhaus, (2019). Numerical Study of Ring Fragmentation https://doi.org/10.1007/978-3-030-30021-0_23 Publication ID: 70319

Teresa Portone, John Niederhaus, Laura Swiler, (2019). Extended abstract: Bayesian model selection for metal yield models in high-velocity impact https://www.osti.gov/servlets/purl/1640078 Publication ID: 68627

Teresa Portone, John Niederhaus, Jason Sanchez, Laura Swiler, (2019). Bayesian model selection for metal yield models in high-velocity impact https://doi.org/10.1115/HVIS2019-012 Publication ID: 68012

Teresa Portone, John Niederhaus, Jason Sanchez, Laura Swiler, (2018). Application of Bayesian Model Selection for Metal Yield Models using ALEGRA and Dakota https://doi.org/10.2172/1423930 Publication ID: 60834

Michael Grinfeld, John Niederhaus, Andrew Porwitzky, (2018). Assessment of ALEGRA Computation for Magnetostatic Configurations Applied Computational Electromagnetics Society Newsletter https://www.osti.gov/servlets/purl/1430897 Publication ID: 49090

Edward Phillips, Matthew Bettencourt, Eric Cyr, Truman Ellis, Richard Kramer, Duncan McGregor, Sean Miller, John Niederhaus, John Shadid, (2017). Stabilization of a Compatible Finite Element Plasma Discretization https://www.osti.gov/servlets/purl/1471961 Publication ID: 58523

Sean Miller, John Niederhaus, Richard Kramer, Gregg Radtke, (2017). Robust Verification of the Multi-Fluid Plasma Model in Drekar https://www.osti.gov/servlets/purl/1507647 Publication ID: 57446

Matthew Bettencourt, John Shadid, Eric Cyr, Edward Phillips, Richard Kramer, John Niederhaus, Allen Robinson, (2017). Performance Portable Multi-Species Plasma Code https://www.osti.gov/servlets/purl/1367277 Publication ID: 56433

John Niederhaus, Roy Jorgenson, Larry Warne, Kenneth Chen, (2017). Radiation-MHD simulations for the development of a spark discharge channel https://doi.org/10.2172/1365528 Publication ID: 56049

Jason Sanchez, John Niederhaus, Angel Rodriguez, (2016). Modeling Cone Cracking in ALEGRA https://www.osti.gov/servlets/purl/1526841 Publication ID: 47675

Christopher Siefert, John Niederhaus, (2016). Modeling permanent magnets in ALEGRA https://www.osti.gov/servlets/purl/1806986 Publication ID: 47744

James Carleton, John Niederhaus, David Hensinger, (2016). Sierra/SM-ALEGRA Solution Import https://www.osti.gov/servlets/purl/1420804 Publication ID: 47749

Richard Kramer, Sean Miller, John Niederhaus, Gregg Radtke, Matthew Bettencourt, Keith Cartwright, Eric Cyr, Edward Phillips, Allen Robinson, John Shadid, (2016). A Rigorous Verification Strategy for a Continuum Plasma Code https://www.osti.gov/servlets/purl/1399198 Publication ID: 52690

John Shadid, Edward Phillips, Eric Cyr, Roger Pawlowski, Matthew Bettencourt, Keith Cartwright, Paul Lin, Richard Kramer, John Niederhaus, Gregg Radtke, Allen Robinson, (2016). Towards Scalable and Efficient Solution of Full Maxwell Electromagnetics – Multifluid Plasma Systems https://www.osti.gov/servlets/purl/1404787 Publication ID: 47068

Robert Doney, Christopher Siefert, John Niederhaus, (2016). Improved Solver Settings for 3D Exploding Wire Simulations in ALEGRA https://doi.org/10.2172/1562202 Publication ID: 52011

Michael Grinfeld, Jason McDonald, John Niederhaus, (2016). ALEGRA based computation of magnetostatic configurations 2016 IEEE/ACES International Conference on Wireless Information Technology, ICWITS 2016 and System and Applied Computational Electromagnetics, ACES 2016 – Proceedings https://www.osti.gov/servlets/purl/1347074 Publication ID: 48808

Allen Robinson, John Niederhaus, C. Ashcraft, (2016). Verification and Validation of a Coordinate Transformation Method in Axisymmetric Transient Magnetics https://doi.org/10.2172/1237004 Publication ID: 46916

John Niederhaus, Richard Drake, Christopher Luchini, (2015). Parallel scaling analysis for explicit solid dynamics in ALEGRA https://doi.org/10.2172/1957761 Publication ID: 42091

John Niederhaus, Richard Drake, (2015). Parallel scaling analysis for ALEGRA on the Excalibur system https://www.osti.gov/servlets/purl/1336346 Publication ID: 45970

Allen Robinson, John Niederhaus, (2015). Statistically rigorous spatial variation and uncertainty quantification in ALEGRA https://www.osti.gov/servlets/purl/1334578 Publication ID: 46045

John Niederhaus, Christopher Siefert, Sharon Petney, (2015). Discussion of the Aztec/ML solver for transient magnetics https://www.osti.gov/servlets/purl/1255047 Publication ID: 43649

Allen Robinson, Sharon Petney, Richard Drake, V. Weirs, Brian Adams, Dena Vigil, John Carpenter, Christopher Garasi, Michael Wong, Joshua Robbins, Christopher Siefert, Otto Strack, Ann Wills, Timothy Trucano, Pavel Bochev, Randall Summers, James Stewart, Curtis Ober, William Rider, Thomas Haill, Raymond Lemke, Kyle Cochrane, Michael Desjarlais, Edward Love, Thomas Voth, Stewart Mosso, John Niederhaus, (2013). ALEGRA Update: Modernization and Resilience Progress https://www.osti.gov/servlets/purl/1115141 Publication ID: 35790

John Niederhaus, Byoung Park, (2013). Penetration of rod projectiles in semi-infinite targets : a validation test for Eulerian X-FEM in ALEGRA https://doi.org/10.2172/1088058 Publication ID: 32422

John Niederhaus, Allen Robinson, (2013). New Benchmark Calculations for the ALEGRA-MHD Code https://www.osti.gov/servlets/purl/1299035 Publication ID: 32050

Christopher Jennings, Matthew Martin, Adam Sefkow, Charles Nakhleh, Allen Robinson, John Niederhaus, (2012). Code Verification of Magnetized Cylindrical Liner Implosions https://www.osti.gov/servlets/purl/1141005 Publication ID: 30821

Richard Drake, John Niederhaus, (2012). A Parametric Sensitivity Study in MHD Modeling for Exploding Wires Using DAKOTA in ALEGRA https://www.osti.gov/servlets/purl/1117620 Publication ID: 27665

Richard Drake, John Niederhaus, (2012). A Parametric Sensitivity Study for Exploding Wires Using ALEGRA Integrated with DAKOTA https://www.osti.gov/servlets/purl/1117570 Publication ID: 27792

John Niederhaus, Thomas Voth, Stewart Mosso, (2011). Code verification for the extended finite element method: the compound cohesionless impact problem https://www.osti.gov/servlets/purl/1288506 Publication ID: 25739

John Niederhaus, Thomas Voth, Stewart Mosso, (2011). Code verification for the eXtended Finite Element Method (XFEM): the compound cohesionless impact problem https://www.osti.gov/servlets/purl/1288507 Publication ID: 24164

Thomas Voth, Stewart Mosso, John Niederhaus, (2011). An implemention of the X-FEM for eulerian solid-mechanics https://www.osti.gov/servlets/purl/1288779 Publication ID: 23627

John Niederhaus, Thomas Voth, Stewart Mosso, (2011). Code verification for the eXtended Finite Element Method (XFEM): the compound cohesionless impact problem https://www.osti.gov/servlets/purl/1120302 Publication ID: 23184

John Niederhaus, Christopher Garasi, Allen Robinson, (2011). Contribution to Department of Energy Office of Science DE-FOA-0000508 FY 2011 SBIR/STTR Phase II proposal titled “ALEGRA-MHD Applications to Solid Liner MTF/MIF Confinement Concepts” https://www.osti.gov/servlets/purl/1671526 Publication ID: 22093

John Niederhaus, C. Scott Alexander, Thomas Haill, Tracy Vogler, (2009). Magnetic-pulse-driven Rayleigh-Taylor instability in plastically deforming metals https://www.osti.gov/servlets/purl/1142795 Publication ID: 15589

John Niederhaus, C. Scott Alexander, Thomas Haill, Tracy Vogler, (2008). Magnetic-pulse-driven Rayleigh-Taylor instability in plastically deforming metals https://www.osti.gov/servlets/purl/1142985 Publication ID: 14099

William Rider, Edward Love, Thomas Voth, Stewart Mosso, John Niederhaus, Otto Strack, Allen Robinson, (2008). Multimaterial ALE Algorithms in ALEGRA https://www.osti.gov/servlets/purl/1143176 Publication ID: 13903