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Parallel Implementation of the Integral Transport Equation-Based Radiography Simulation Code

Feyzi Inanc, Bogdan Vasiliu, Dave Turner

Nuclear Science and Engineering

Volume 137 / Number 2 / February 2001 / Pages 173-182


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An integral transport equation-based industrial radiography simulation code is parallelized using the Message Passing Interface standard on computers with both distributed- and shared-memory architectures. The algorithm involves partitioning of the problem domain into regions that are connected to each other through interface conditions. This results in a simultaneous set of integral transport equations. Each equation in the set is assigned to a different processor in the platform. The new algorithm is subjected to scalability tests in both cluster and shared-memory architectures for a varying number of processors with different problem domain partition strategies. The results show a high level of scalability with favorable results in both architectures.

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