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Mark DeHart

Researcher at Idaho National Laboratory

Publications -  38
Citations -  310

Mark DeHart is an academic researcher from Idaho National Laboratory. The author has contributed to research in topics: Advanced Test Reactor & Idaho National Laboratory. The author has an hindex of 8, co-authored 38 publications receiving 199 citations.

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Rattlesnake: A MOOSE-Based Multiphysics Multischeme Radiation Transport Application

TL;DR: The spectrum from heat pipe-cooled microreactors, through thermal and fast molten-salt reactors, to gas-and salt-cooling pebble bed reactors, can be found in this paper.
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Hybrid PN-SN with Lagrange multiplier and upwinding for the multiscale transport capability in Rattlesnake

TL;DR: In this paper, two interface conditions, the Lagrange multiplier method and the upwinding method, for hybrid P N - S N calculations are proposed for the self-adjoint angular flux (SAAF) formulation of the transport equation using the continuous finite element method (FEM) for spatial discretization.
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A Newton solution for the Superhomogenization method: The PJFNK-SPH

TL;DR: In this article, the authors present two novel topics regarding the superhomogenization method: (1) the formalism for the implementation of the method with the linear Boltzmann Transport Equation, and (2) a Newton algorithm for the solution of the nonlinear problem that arises from the method.
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Coupled Multiphysics Simulations of Heat Pipe Microreactors Using DireWolf

TL;DR: DireWolf as mentioned in this paper is a multiphysics software driver application designed to simulate heat pipe-cooled nuclear microreactors, which can be used to simulate nuclear power plants.
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Hybrid super homogenization and discontinuity factor method for continuous finite element diffusion

TL;DR: A novel homogenization equivalence technique aiming to simultaneously leverage the simplicity of the Super Homogenization (SPH) method to reproduce reference reaction rates and the ability to preserve reference leakage rates at desired surfaces through Discontinuity Factors (DF).