Hybrid Deterministic/Monte Carlo Neutronics Using GPU Accelerators

Jeff Willert,C. T. Kelley,D. A. Knoll,Han Dong,Mahesh Ravishankar,Paul Sathre,Michael Sullivan,William Taitano

DCABES '12 Proceedings of the 2012 11th International Symposium on Distributed Computing and Applications to Business, Engineering & Science（2012）

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摘要

In this paper we discuss a GPU implementation of a hybrid deterministic/Monte Carlo method for the solution of the neutron transport equation. The key feature is using GPUs to perform a Monte Carlo transport sweep as part of the evaluation of the nonlinear residual and Jacobian-vector product. We describe the algorithm and present some preliminary numerical results which illustrate the effectiveness of the GPU Monte Carlo sweeps.

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关键词

hybrid deterministic,gpu implementation,key feature,monte carlo transport sweep,jacobian-vector product,neutron transport equation,gpu monte carlo sweep,monte carlo method,preliminary numerical result,gpu accelerators,mathematical model,neutron transport,neutrons,vectors,history,monte carlo,monte carlo methods,boltzmann equation,poisson equation

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