GUARDYAN

GUARDYAN (GPU Assisted Reactor Dynamic Analysis) is a continuous energy Monte Carlo (MC) neutron transport code developed at Budapest University of Technology and Economics (​BME). It targets to solve time-dependent problems related to fission reactors with the main focus on simulating and analyzing short transients. The key idea of GUARDYAN is a massively parallel execution structure making use of advanced programming possibilities available on CUDA (Compute Unified Device Architecture) enabled GPUs (Graphics Processing Units).

• Aims
  
• Features
  
• Physics Modeling and Verification
  
• Variance Reduction
  
• Examples
  
• Publications
  
• Project Participants and Funding
  

Fission source time evolution after having started neutrons from a point source at the centre

Neutron density distribution in the BME Training reactor calculated by GUARDYAN ​Training Reactor

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