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X Computational Physics

Developing multiphysics simulation codes to support national nuclear security applications

Research in computational physics and the development of validated codes, models, and algorithms

In X Computational Physics (XCP) we take advantage of some of the world's fastest and most advanced computing platforms running state-of-the-art simulation codes to study a variety of complex physics problems.

Research and Capabilities

  • Modeling and Simulation
  • Computational Methods, Algorithms, and Physical Models
  • Monte Carlo Methods, Codes, and Applications
  • Nuclear Data Science and Engineering
  • Computational Fluid and Solid Dynamics
  • Atomic and Plasma Physics
  • Materials Modeling under Extreme Conditions
  • Plasma Theory and Applications
  • Multiphysics Verification, Validation, and Uncertainty Quantification

In the News

Publications

Charlie Starrett (XCP-5) describes a new advancement in orbital-free molecular dynamics in a recent issue of Physical Review E. Read all about "Thomas-Fermi simulations of dense plasmas without pseudopotentials" at https://journals.aps.org/pre/abstract/10.1103/PhysRevE.96.013206

Brian Haines (XCP-2), Austin Yi (XCP-6), Rick Olson (XCP-6), and Paul Bradley (XCP-6), with co-authors, recently published a description of xRAGE ICF simulations driven by an x-ray flux source from HYDRA: "The effects of convergence ratio on the implosion behavior of DT layered inertial confinement fusion capsules", Physics of Plasmas 24 , 072709 (2017); doi: 10.1063/1.4993065

Misha Shashkov (XCP-4) was recently a co-author on: "Convergence analysis of the mimetic finite difference method for elliptic problems with staggered discretizations of diffusion coefficients", by G. Manzini, K. Lipnikov, J. D. Moulton, M. Shashkov. SIAM Journal on Numerical Analysis (SINUM).

Leadership

Headshot of Scott Doebling

Scott Doebling

Senior Director for Computational Physics

Headshot of Kavita Nandakishore

Kavita Nandakishore

Staff Operations Manager

Headshot of Jimmy Fung (XCP-IPC)

Jimmy Fung (XCP-IPC)

Integrated Physics Codes Director

Headshot of DJ Luscher (XCP-PMMD)

DJ Luscher (XCP-PMMD)

Physics Modelling, Methods and Data Director

Headshot of Gowri Srinivasan (XCP-PVA)

Gowri Srinivasan (XCP-PVA)

Physics Validation and Application Director

Headshot of Rob Ward

Rob Ward

XCP-1 Group Leader

Headshot of Brandon Smith

Brandon Smith

XCP-2 Group Leader

Headshot of Joel Kulesza

Joel Kulesza

XCP-3 Group Leader

Headshot of Angela Herring

Angela Herring

XCP-4 Group Leader

Headshot of Abigail Hunter

Abigail Hunter

XCP-5 Group Leader

Programs Supported

Science Programs

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Advanced Simulation and Computing Program (ASC)

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Laboratory Directed Research and Development (LDRD)

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