John Henry Judah Niederhaus

John Henry Judah Niederhaus, Michael Powell, Steven W. Bova, James Brian Carleton, John H. Carpenter, Kyle Cochrane, Michael Meyers Crockatt, Wen Dong, Timothy Jesse Fuller, Brian Neal Granzow, Daniel Alejandro Ibanez-Granados, Stephen Ray Kennon, Christopher Bernard Luchini, Ramon Jules Moral, Christopher John O’Brien, Allen C. Robinson, Angel Eliud Rodriguez, Jason James Sanchez, Walter Alan Scott, Christopher Siefert, Alan K. Stagg, Irina Kalashnikova Tezaur, Thomas E. Voth, (2022). ALEGRA: finite element modeling for shock hydrodynamics and multiphysics Hypervelocity Impact Symposium 2022 Document ID: 1629546

John Henry Judah Niederhaus, Steven W. Bova, James Brian Carleton, John H. Carpenter, Kyle Cochrane, Wen Dong, Timothy Jesse Fuller, Brian Neal Granzow, Daniel Alejandro Ibanez-Granados, Stephen Ray Kennon, Christopher Bernard Luchini, Ramon Jules Moral, Christopher John O’Brien, Michael Powell, Allen C. Robinson, Jason James Sanchez, Christopher Siefert, Irina Kalashnikova Tezaur, Thomas E. Voth, Michael Meyers Crockatt, Angel Eliud Rodriguez, Alan K. Stagg, (2022). ALEGRA: finite element modeling for multimaterial shock hydrodynamics and multiphysics 16th Hypervelocity Impact Symposium Document ID: 1404955

Angel Eliud Rodriguez, John Henry Judah Niederhaus, Wesley James Greenwood, Christopher J.R. Clutz, (2021). Discrete modeling of a transformer with ALEGRA https://www.osti.gov/search/identifier:1855070 Document ID: 1404957

John Henry Judah Niederhaus, (2021). Verification and validation for computational electromagnetics in the ALEGRA code Howard University Physics Department Colloquium (virtual) Document ID: 1370176

Michael Powell, John Henry Judah Niederhaus, Angel Eliud Rodriguez, George Vunni, (2021). Numerical modeling of a small helical magnetic flux compression generator in ALEGRA EAPPC/BEAMS Megagauss Document ID: 1294319

Angel Eliud Rodriguez, Christopher Siefert, John Henry Judah Niederhaus, (2020). Resistive heating in an electrified domain with a spherical inclusion: an ALEGRA verification study https://www.osti.gov/search/identifier:1670528 Document ID: 1197439

John Henry Judah Niederhaus, Jose L Pacheco, John Wilkes, Russell Hooper, Christopher Siefert, Ronald S. Goeke, (2020). Modeling a ring magnet in ALEGRA https://www.osti.gov/search/identifier:1668139 Document ID: 1196307

Matthew Coppinger, W. Casey Uhlig, John Henry Judah Niederhaus, (2020). Simulating lateral drift of a shaped charge jet in ALEGRA International Journal of Impact Engineering Document ID: 1079089

Robert Doney, John Henry Judah Niederhaus, Timothy Jesse Fuller, Matthew Coppinger, (2020). Effects of equations of state and constitutive models on simulating copper shaped charge jets in ALEGRA International Journal of Impact Engineering Document ID: 1079090

Teresa Portone, John Henry Judah Niederhaus, Jason James Sanchez, Laura Painton Swiler, (2020). Bayesian model selection for metal yield models in high-velocity impact International Journal of Impact Engineering Document ID: 1079092

Irina Kalashnikova Tezaur, Thomas E. Voth, Steven W. Bova, John Henry Judah Niederhaus, (2019). The eXtended Finite Element Method for Material Interactions in an Explicit Dynamics Shock-Physics Code: Stabilization of Material Interface Constraints 14th World Congress on Computational Mechanics (WCCM)/ECCOMAS Congress 2020 Document ID: 1068335

Irina Kalashnikova Tezaur, Thomas E. Voth, John Henry Judah Niederhaus, (2019). XFEM Development in the ALEGRA Code ALEGRA Winter Workshop https://www.osti.gov/search/identifier:1646371 Document ID: 1067655

John Henry Judah Niederhaus, Pin Yang, Christopher DiAntonio, George Vunni, (2019). Finite-element modeling for an explosively loaded ferroelectric generator https://www.osti.gov/search/identifier:1571553 Document ID: 1032302

Brady Aydelotte, John Henry Judah Niederhaus, (2019). Numerical Study of Ring Fragmentation Society for Experimental Mechanics Annual Conference https://www.osti.gov/search/identifier:1641522 Document ID: 997055

Robert Doney, John Henry Judah Niederhaus, Timothy Jesse Fuller, Matthew Coppinger, (2019). Effects of EOS and constitutive models on simulating copper shaped charge jets in ALEGRA Hypervelocity Impact Symposium https://www.osti.gov/search/identifier:1641473 Document ID: 997057

Matthew Coppinger, Matthew Coppinger, Matthew Coppinger, Matthew Coppinger, W. Casey Uhlig, W. Casey Uhlig, W. Casey Uhlig, W. Casey Uhlig, John Henry Judah Niederhaus, John Henry Judah Niederhaus, John Henry Judah Niederhaus, John Henry Judah Niederhaus, (2019). Simulating Lateral Drift of a Shaped Charge Jet in ALEGRA Hypervelocity Impact Symposium https://www.osti.gov/search/identifier:1641475 Document ID: 997059

Teresa Portone, John Henry Judah Niederhaus, Laura Painton Swiler, (2019). Extended abstract: Bayesian model selection for metal yield models in high-velocity impact Hypervelocity Impact Symposium 2019 https://www.osti.gov/search/identifier:1640078 Document ID: 961692

Teresa (UT Austin) Portone, John Henry Judah Niederhaus, Jason James Sanchez, Laura Painton Swiler, (2019). Bayesian model selection for metal yield models in high-velocity impact Hypervelocity Impact Symposium https://www.osti.gov/search/identifier:1639803 Document ID: 948422

Kenneth C. Chen, Larry K. Warne, Roy E. Jorgenson, John Henry Judah Niederhaus, (2018). TATB Sensitivity to Shocks from Electrical Arcs Journal of Applied Physics https://www.osti.gov/search/identifier:1529292 Document ID: 760946

Robert Doney, John Henry Judah Niederhaus, Timothy Jesse Fuller, Matthew Coppinger, (2018). Effects of EOS and constitutive models on simulating copper shaped charge jets in ALEGRA 15th Hypervelocity Impact Symposium Document ID: 841797

Teresa Portone, John Henry Judah Niederhaus, Jason James Sanchez, Laura Painton Swiler, (2018). Bayesian model selection for metal yield models in high-velocity impact 15th Hypervelocity Impact Symposium Document ID: 841627

Teresa Portone, John Henry Judah Niederhaus, Jason James Sanchez, Laura Painton Swiler, (2018). Application of Bayesian Model Selection for Metal Yield Models using ALEGRA and Dakota https://www.osti.gov/search/identifier:1423930 Document ID: 761130

Edward Geoffrey Phillips, Matthew Tyler Bettencourt, Eric Christopher Cyr, Truman Everett Ellis, Richard Michael Jack Kramer, Duncan Alisdair Odum McGregor, Sean Miller, John Henry Judah Niederhaus, John N. Shadid, (2017). Stabilization of a Compatible Finite Element Plasma Discretization 25th International Conference on Numerical Simulation of Plasmas https://www.osti.gov/search/identifier:1471961 Document ID: 671802

Sean Miller, John Henry Judah Niederhaus, Richard Michael Jack Kramer, Gregg Arthur Radtke, (2017). Robust Verification of the Multi-Fluid Plasma Model in Drekar Z Fundamental Science Program Workshop 2017 https://www.osti.gov/search/identifier:1507647 Document ID: 637931

Matthew Tyler Bettencourt, John N. Shadid, Eric Christopher Cyr, Edward Geoffrey Phillips, Richard Michael Jack Kramer, John Henry Judah Niederhaus, Allen C. Robinson, (2017). Performance Portable Multi-Species Plasma Code 44th International Conference on Plasma Science https://www.osti.gov/search/identifier:1367277 Document ID: 624193

John Henry Judah Niederhaus, Roy E. Jorgenson, Larry K. Warne, Kenneth C. Chen, (2017). Radiation-MHD simulations for the development of a spark discharge channel https://www.osti.gov/search/identifier:1365528 Document ID: 610671

Thomas E. Voth, Jason James Sanchez, John Henry Judah Niederhaus, Stewart John Mosso, Christopher Bernard Luchini, Richard Michael Jack Kramer, James Cox, (2017). The eXtended Finite Element Method in the ALEGRA ALE hydrodynamics code: Extension to Three Dimensions and Other Advances MultiMat 2017 Document ID: 599423

Christopher Siefert, John Henry Judah Niederhaus, (2016). Modeling permanent magnets in ALEGRA Third Amnnual DoD/SNL Mod-Sim Workshop https://www.osti.gov/search/identifier:1806986 Document ID: 553487

James Brian Carleton, John Henry Judah Niederhaus, David M. Hensinger, (2016). Sierra/SM-ALEGRA Solution Import DoD/SNL Mod-Sim Capabilities Workshop https://www.osti.gov/search/identifier:1420804 Document ID: 532569

Jason James Sanchez, John Henry Judah Niederhaus, Angel Eliud Rodriguez, (2016). Modeling Cone Cracking in ALEGRA DoD/Sandia Mod-Sim Capabilities Workshop https://www.osti.gov/search/identifier:1526841 Document ID: 553472

John N. Shadid, Edward Geoffrey Phillips, Eric Christopher Cyr, Roger P. Pawlowski, Matthew Tyler Bettencourt, Keith Cartwright, Paul Lin, Richard Michael Jack Kramer, John Henry Judah Niederhaus, Gregg Arthur Radtke, Allen C. Robinson, (2016). Towards Scalable and Efficient Solution of Full Maxwell Electromagnetics – Multifluid Plasma Systems Nuclear Explosives Code Development Conference 2016 https://www.osti.gov/search/identifier:1404787 Document ID: 531643

Richard Michael Jack Kramer, Sean Miller, John Henry Judah Niederhaus, Gregg Arthur Radtke, Matthew Tyler Bettencourt, Keith Cartwright, Eric Christopher Cyr, Edward Geoffrey Phillips, Allen C. Robinson, John N. Shadid, (2016). A Rigorous Verification Strategy for a Continuum Plasma Code Necdc 2016 https://www.osti.gov/search/identifier:1399198 Document ID: 530672

Robert Doney, Christopher Siefert, John Henry Judah Niederhaus, (2016). Improved Solver Settings for 3D Exploding Wire Simulations in ALEGRA https://www.osti.gov/search/identifier:1562202 Document ID: 528814

Richard Michael Jack Kramer, Matthew Tyler Bettencourt, Keith Cartwright, Eric Christopher Cyr, John Henry Judah Niederhaus, Edward Geoffrey Phillips, Gregg Arthur Radtke, Allen C. Robinson, John N. Shadid, (2016). A Rigorous Verification Strategy for a Continuum Plasma Code Necdc Document ID: 464953

Michael Grinfeld, John Henry Judah Niederhaus, Andrew Porwitzky, (2016). Assessment of ALEGRA Computation for Magnetostatic Configurations Applied Computational Electromagnetics Socity (ACES) Express Journal https://www.osti.gov/search/identifier:1430897 Document ID: 397489

Michael Greenfield, Jason McDonald, John Henry Judah Niederhaus, (2016). ALEGRA Based Computation of Magnetostatic Configurations 2016 IEEE International Conference on Wireless Information Technology and Systems and Applied Computational Electromagnetics https://www.osti.gov/search/identifier:1347074 Document ID: 409605

Allen C. Robinson, John Henry Judah Niederhaus, C. Chace (SNL) Ashcraft, (2016). Verification and Validation of a Coordinate Transformation Method in Axisymmetric Transient Magnetics https://www.osti.gov/search/identifier:1237004 Document ID: 386920

Allen C. Robinson, John Henry Judah Niederhaus, (2015). Statistically rigorous spatial variation and uncertainty quantification in ALEGRA 2nd Annual DoD/SNL CompSim Capabilities Workshop https://www.osti.gov/search/identifier:1334578 Document ID: 342867

John Henry Judah Niederhaus, Richard R. Drake, (2015). Parallel scaling analysis for ALEGRA on the Excalibur system 2nd Annual DoD/SNL CompSim Capabilities Workshop https://www.osti.gov/search/identifier:1336346 Document ID: 342714

John Henry Judah Niederhaus, Christopher Siefert, Sharon Petney, (2015). Discussion of the Aztec/ML solver for transient magnetics ALEGRA User Meeting https://www.osti.gov/search/identifier:1255047 Document ID: 285948

John Henry Judah Niederhaus, B. T. Meehan, (2014). Fully Three-dimensional Simulation and Modeling of a Dense Plasma Focus Document ID: 112375

Otto Erik Strack, John Henry Judah Niederhaus, William J. Rider, Michael K. Wong, Edward Love, Stewart John Mosso, V. Gregory Weirs, Thomas E. Voth, Marlin E. Kipp, Richard R. Drake, David M. Hensinger, Sharon Petney, Duane A. Labreche, (2013). ALEGRA Training ALEGRA Training at the HEAT Center Document ID: 5270650

Allen C. Robinson, Otto Erik Strack, William J. Rider, John Walter, Kristi Brislawn, Edward Love, Thomas E. Voth, Stewart John Mosso, John Henry Judah Niederhaus, Sharon Petney, Richard R. Drake, V. Gregory Weirs, Brian M. Adams, Dena Vigil, John H. Carpenter, Christopher J. Garasi, Michael K. Wong, Joshua Robbins, Christopher Siefert, Ann Elisabet Wills, Susan carroll, Duane LaBreche, Chris Kueny, Chris Luchini, Timothy G. Trucano, Pavel B. Bochev, Randall M. Summers, James R. Stewart, Curtis C. Ober, Thomas A. Haill, Raymond W. Lemke, Kyle Cochrane, Michael P. Desjarlais, (2013). ALEGRA Update: Modernization and Resilience Progress Multimat2013 https://www.osti.gov/search/identifier:1115141 Document ID: 5327018

Christopher Ashley Jennings, Matthew R Martin, Adam B Sefkow, Charles Nakhleh, Allen C. Robinson, John Henry Judah Niederhaus, Y. Y. Lau, Matthew Weis, (2012). Code Verification of Magnetized Cylindrical Liner Implosions American Physical Society Division of Plasma Physics Meeting https://www.osti.gov/search/identifier:1141005 Document ID: 5314936

Rose M. Torres, John Henry Judah Niederhaus, Dale R. Koenig, (2012). A Parametric Sensitivity Study for Exploding Wires Using ALEGRA Integrated with DAKOTA Research in Ballistic Protection Technologies Workshop https://www.osti.gov/search/identifier:1117570 Document ID: 5306810

Rose M. Torres, John Henry Judah Niederhaus, Dale R. Koenig, (2012). A Parametric Sensitivity Study in MHD Modeling for Exploding Wires Using DAKOTA in ALEGRA Research in Ballistic Protection Technologies Workshop https://www.osti.gov/search/identifier:1117620 Document ID: 5306806

Marlin E. Kipp, John Henry Judah Niederhaus, Thomas E. Voth, Stewart John Mosso, (2012). Code verification for the extended finite element method: the compound cohesionless impact problem International Conference on Numerical Methods For Multi-Material Fluid Flows https://www.osti.gov/search/identifier:1288506 Document ID: 5302778

Thomas E. Voth, Stewart John Mosso, John Henry Judah Niederhaus, (2011). An implemention of the X-FEM for eulerian solid-mechanics 11th US National Congress on Computational Mechanics https://www.osti.gov/search/identifier:1288779 Document ID: 5296897

Sherrika D Daniel, Edward Love, Thomas E. Voth, Stewart John Mosso, John Henry Judah Niederhaus, Otto Erik Strack, Allen C. Robinson, (2008). Multimaterial ALE Algorithms in ALEGRA ALE from ART to SCIENCE https://www.osti.gov/search/identifier:1143176 Document ID: 5262750