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MAMMOTH

What is MAMMOTH?

MAMMOTH is a general reactor physics application based on the MOOSE framework that leverages existing applications to solve complex multi-physics problems. MAMMOTH currently links the MOOSE applications for radiation transport (Rattlesnake), thermal-fluids (RELAP-7), and fuel performance (BISON) into a single simulation framework. Initial development started in 2013. MAMMOTH includes all of the capabilities provided by the linked MOOSE applications with:

  • Steady state and time-dependent coupled neutronics, thermal-fluids, and fuel performance simulations,

  • Macro and micro depletion with CRAM,

  • SPH equivalence method,

  • Decay heat calculations.

 

MAMMOTH has been used in the analysis of the following reactors/experiments:

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PWR (pressurized water reactor)

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MHTGR-350 (modular high-temperature gas-cooled reactor)

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Transient Test Reactor (TREAT)

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Coupled fast/thermal Test Reactor

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Neutron Radiography Facility (NRAD), TRIGA reactor.

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Multi-SERTTA experiment

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Multiphysics fuel performance studies