Publications

Results 1–25 of 58
Date Inputs. Currently set to enter a start and end date.
Current Filters Clear all
  • Remove author filter×
Publication Type Year

ALEGRA: finite element modeling for multimaterial shock hydrodynamics and multiphysics

16th Hypervelocity Impact Symposium

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

Abstract – 2022 Abstract 2022

Discrete modeling of a transformer with ALEGRA

Angel Eliud Rodriguez, John Henry Judah Niederhaus, Wesley James Greenwood, Christopher J.R. Clutz

https://www.osti.gov/search/identifier:1855070

SAND Report – 2021 SAND Report 2021

Verification and validation for computational electromagnetics in the ALEGRA code

Howard University Physics Department Colloquium (virtual)

John Henry Judah Niederhaus

Presentation (non-conference) – 2021 Presentation (non-conference) 2021

Numerical modeling of a small helical magnetic flux compression generator in ALEGRA

EAPPC/BEAMS Megagauss

Michael Powell, John Henry Judah Niederhaus, Angel Eliud Rodriguez, George Vunni

Abstract – 2021 Abstract 2021

Resistive heating in an electrified domain with a spherical inclusion: an ALEGRA verification study

Angel Eliud Rodriguez, Christopher Siefert, John Henry Judah Niederhaus

https://www.osti.gov/search/identifier:1670528

SAND Report – 2020 SAND Report 2020

Modeling a ring magnet in ALEGRA

John Henry Judah Niederhaus, Jose L Pacheco, John Wilkes, Russell Hooper, Christopher Siefert, Ronald S. Goeke

https://www.osti.gov/search/identifier:1668139

SAND Report – 2020 SAND Report 2020

Simulating lateral drift of a shaped charge jet in ALEGRA

International Journal of Impact Engineering

Matthew Coppinger, W. Casey Uhlig, John Henry Judah Niederhaus

Journal Article – 2020 Journal Article 2020

Effects of equations of state and constitutive models on simulating copper shaped charge jets in ALEGRA

International Journal of Impact Engineering

Robert Doney, John Henry Judah Niederhaus, Timothy Jesse Fuller, Matthew Coppinger

Journal Article – 2020 Journal Article 2020

Bayesian model selection for metal yield models in high-velocity impact

International Journal of Impact Engineering

Teresa Portone, John Henry Judah Niederhaus, Jason James Sanchez, Laura Painton Swiler

Journal Article – 2020 Journal Article 2020

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

Irina Kalashnikova Tezaur, Thomas E. Voth, Steven W. Bova, John Henry Judah Niederhaus

Abstract – 2019 Abstract 2019

XFEM Development in the ALEGRA Code

ALEGRA Winter Workshop

Irina Kalashnikova Tezaur, Thomas E. Voth, John Henry Judah Niederhaus

https://www.osti.gov/search/identifier:1646371

Presentation (non-conference) – 2019 Presentation (non-conference) 2019

Finite-element modeling for an explosively loaded ferroelectric generator

John Henry Judah Niederhaus, Pin Yang, Christopher DiAntonio, George Vunni

https://www.osti.gov/search/identifier:1571553

SAND Report – 2019 SAND Report 2019

Numerical Study of Ring Fragmentation

Society for Experimental Mechanics Annual Conference

Brady Aydelotte, John Henry Judah Niederhaus

https://www.osti.gov/search/identifier:1641522

Conference Paper – 2019 Conference Paper 2019

Effects of EOS and constitutive models on simulating copper shaped charge jets in ALEGRA

Hypervelocity Impact Symposium

Robert Doney, John Henry Judah Niederhaus, Timothy Jesse Fuller, Matthew Coppinger

https://www.osti.gov/search/identifier:1641473

Conference Paper – 2019 Conference Paper 2019

Simulating Lateral Drift of a Shaped Charge Jet in ALEGRA

Hypervelocity Impact Symposium

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

https://www.osti.gov/search/identifier:1641475

Conference Paper – 2019 Conference Paper 2019

Extended abstract: Bayesian model selection for metal yield models in high-velocity impact

Hypervelocity Impact Symposium 2019

Teresa Portone, John Henry Judah Niederhaus, Laura Painton Swiler

https://www.osti.gov/search/identifier:1640078

Conference Paper – 2019 Conference Paper 2019

Bayesian model selection for metal yield models in high-velocity impact

Hypervelocity Impact Symposium

Teresa (UT Austin) Portone, John Henry Judah Niederhaus, Jason James Sanchez, Laura Painton Swiler

https://www.osti.gov/search/identifier:1639803

Conference Paper – 2019 Conference Paper 2019

TATB Sensitivity to Shocks from Electrical Arcs

Journal of Applied Physics

Kenneth C. Chen, Larry K. Warne, Roy E. Jorgenson, John Henry Judah Niederhaus

https://www.osti.gov/search/identifier:1529292

Journal Article – 2018 Journal Article 2018

Effects of EOS and constitutive models on simulating copper shaped charge jets in ALEGRA

15th Hypervelocity Impact Symposium

Robert Doney, John Henry Judah Niederhaus, Timothy Jesse Fuller, Matthew Coppinger

Abstract – 2018 Abstract 2018

Bayesian model selection for metal yield models in high-velocity impact

15th Hypervelocity Impact Symposium

Teresa Portone, John Henry Judah Niederhaus, Jason James Sanchez, Laura Painton Swiler

Abstract – 2018 Abstract 2018

Application of Bayesian Model Selection for Metal Yield Models using ALEGRA and Dakota

Teresa Portone, John Henry Judah Niederhaus, Jason James Sanchez, Laura Painton Swiler

https://www.osti.gov/search/identifier:1423930

SAND Report – 2018 SAND Report 2018

Stabilization of a Compatible Finite Element Plasma Discretization

25th International Conference on Numerical Simulation of Plasmas

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

https://www.osti.gov/search/identifier:1471961

Conference Paper – 2017 Conference Paper 2017

Robust Verification of the Multi-Fluid Plasma Model in Drekar

Z Fundamental Science Program Workshop 2017

Sean Miller, John Henry Judah Niederhaus, Richard Michael Jack Kramer, Gregg Arthur Radtke

https://www.osti.gov/search/identifier:1507647

Conference Paper – 2017 Conference Paper 2017

Performance Portable Multi-Species Plasma Code

44th International Conference on Plasma Science

Matthew Tyler Bettencourt, John N. Shadid, Eric Christopher Cyr, Edward Geoffrey Phillips, Richard Michael Jack Kramer, John Henry Judah Niederhaus, Allen C. Robinson

https://www.osti.gov/search/identifier:1367277

Conference Paper – 2017 Conference Paper 2017

Radiation-MHD simulations for the development of a spark discharge channel

John Henry Judah Niederhaus, Roy E. Jorgenson, Larry K. Warne, Kenneth C. Chen

https://www.osti.gov/search/identifier:1365528

SAND Report – 2017 SAND Report 2017
Document Title Type Year
Results 1–25 of 58