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Nathaniel Trask

Researcher at Sandia National Laboratories

Publications -  73
Citations -  1231

Nathaniel Trask is an academic researcher from Sandia National Laboratories. The author has contributed to research in topics: Discretization & Computer science. The author has an hindex of 15, co-authored 61 publications receiving 708 citations. Previous affiliations of Nathaniel Trask include United States Department of Energy & SNL Financial.

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Smoothed particle hydrodynamics and its applications for multiphase flow and reactive transport in porous media

TL;DR: This review presents SPH discretization of the Navier-Stokes and advection-diffusion-reaction equations, implementation of various boundary conditions, and time integration of the SPH equations, and discusses applications of theSPH method for modeling pore-scale multiphase flows and reactive transport in porous and fractured media.
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Multidimensional Modeling of Condensing Two-Phase Ejector Flow

TL;DR: In this paper, the authors describe the construction of a multidimensional simulation capability built around an Eulerian pseudo-fluid approach, where the fluid is treated as being in a non-thermodynamic equilibrium state, and a modified form of the homogenous relaxation model (HRM) is employed.
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An asymptotically compatible meshfree quadrature rule for nonlocal problems with applications to peridynamics

TL;DR: In this article, a mesh-free quadrature rule for nonlocal integro-differential equations (IDEs) with radial kernels is presented. But this rule is not suitable for collision simulations.
Posted Content

Thermodynamically consistent physics-informed neural networks for hyperbolic systems

TL;DR: A least squares space-time control volume scheme is adapted, allowing us to fit shock hydrodynamics models to molecular simulation of rarefied gases and metals, and the resulting data-driven equations of state may be incorporated into traditional shock hydroynamics codes.