Researchreactor physicsmultiphysicsnuclear energy
US Labs Develop Griffin Reactor Simulation Platform
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Scientists at Idaho National Laboratory and Argonne National Laboratory have developed Griffin, a reactor physics modeling and simulation software announced in 2025. The platform couples neutronics, thermal-hydraulics, structural mechanics and fuel performance to simulate reactor behavior across designs, winning a 2025 R&D 100 Award. Griffin aims to reduce costly prototypes, accelerate design cycles, and support microreactor and space reactor applications.
Scoring Rationale
High technical and practical impact from national-lab validated simulator, but relevance is primarily to nuclear engineering specialists.
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