Los Alamos National Laboratory

Los Alamos National Laboratory

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Momentum Deposition in Curvilinear Coordinates

Research highlighting a new method of evaluating momentum deposition

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Significant improvement in spherical geometry simulations

The momentum imparted into a material by thermal radiation deposition is an important physical process in astrophysics and inertial confinement fusion (ICF) simulations.

In recent work we presented a new method of evaluating momentum deposition that relies on the combination of a time-averaged approximation and a numerical integration scheme. This approach robustly and efficiently evaluates the momentum deposition in spherical geometry.

Future work will look to extend this approach to 2D cylindrical geometries.

Summary of full paper (pdf)


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