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Revision as of 14:54, 19 April 2022

Welcome to the Kraken-wiki.

Kraken is a reactor analysis computational framework developed at VTT Technical Research Centre of Finland Ltd.

This wiki will document the development goals of the framework, the developed solvers and their coupling instructions.

The framework as a whole is still very much under development and functionalities described in this wiki may change from version to version.

Codes under development

• Ants nodal neutronics code.
• Cerberus multi-physics driver code.
• FINIX fuel behaviour module.
• Kharon porous medium thermal hydraulics code.
• Serpent Monte Carlo particle transport code.
• KrakenTools Python 3 package for pre- and postprocessing purposes.
• SuperFINIX core level fuel behaviour module.
• TRACEWrap wrapper code which enables Cerberus communication with NRC code TRACE.

Distribution and Compiling

• Distribution
• Common build instructions

Tutorials

Kraken progression and demonstration problems

• Three by three assembly asymmetric 3D minicore with coolant temperature and density feedback.
• Three by three assembly asymmetric 3D minicore with feedbacks from TH and fuel behavior.
• An SMR scale demonstration case.
• A demonstration of time-dependence with an SMR startup simulation.

Development instructions

• Details of coupling a solver to Cerberus
• Mesh types
• Version control
• SerpentTest collection of test cases for Serpent.