Codes of the MCU project

Different versions of MCU codes are based on the modules of MCU software packages. MCU-4, MCU-5 and MCU-6 packages are currently relevant. Their basic features are as follows:

  • MCU-4 package provides the ability to simulate small systems (core fragments of such reactor types as VVER, RBMK, etc.), does not support parallel computing;

  • MCU-5 package provides the possibility of full-scale modeling of cores of such reactor types as VVER, RBMK, etc., supports parallel computing (MPI);

  • MCU-6 package provides the possibility of full-scale modeling of cores of such reactor types as VVER, RBMK, etc., is additionally optimized for initial data input speed and RAM consumption, supports parallel computing (MPI).

Information on the possibility and conditions for acquiring licenses for the right to use the code is available on request.

MCU-FREE

The code is intended for study and research purposes only. The results cannot be used for verification of the design projects and nuclear safety.

Registration certificate number: 2010613800

Package: MCU-5

MCU-PTR

Calculations of the neutron-physical characteristics of research reactors or of their fragments based on the Monte Carlo method taking into account burnup of fuel, absorber in control rods, poisoning of beryllium reflector and movements of control rods.

Validation certificate number: 320 (18.04.23), 393 (14.07.26)

Registration certificate number: 2010613724

Package: MCU-5

MCU-RFFI/A

Calculations of neutron multiplying systems with a fast, intermediate, and thermal neutron spectrum.

Validation certificate number: 400 (14.07.26)

Registration certificate number: 2010613419

Package: MCU-4

MCU-TR

Calculations of the neutron-physical characteristics of the cores of light-water reactors of nuclear power plants of ships; engineering calculations of critical assemblies, fuel assembly cells, nuclear fuel storage facilities or fragments of these reactors taking into account changes in the isotopic composition.

Validation certificate number: 336 (12.09.23)

Registration certificate number: 2011619384

Package: MCU-5

MCU-PD

Calculations of the neutron-physical characteristics of the cores of VVER or PWR reactors, nuclear fuel storage facilities, means of transportation or fragments of the above objects, taking into account changes in the nuclide composition of their materials; neutron flux density with energy above 0.5 MeV over the thickness of the VVER RPV; damaging dose of fast neutrons in the materials of internals and reactor vessels of the VVER and PWR type; equivalent dose of neutrons and photons; radiation characteristics of spent nuclear fuel; nuclide composition of the irradiated fuel.

Validation certificate number: 456 (24.10.28)

Package: MCU-5

MCU-RBMK

Calculations of the neutron-physical characteristics of reactor units with RBMK taking into account changes in the isotopic composition.

Validation certificate number: 430 (27.02.28), 431 (27.02.28)

Package: MCU-6

MCU-FR

Calculation of the neutron-physical characteristics of reactors with a fast spectrum of neutrons, nuclear fuel cycle facilities taking into account changes in the isotopic composition.

Registration certificate number: 2016618242

Package: MCU-6

MCU-BR

Calculations of the neutron-physical characteristics of the BREST-OD-300 reactor with lead coolant, taking into account changes in the nuclide composition of the fuel during the campaign.

Validation certificate number: 405 (08.12.26)

Package: MCU-5

MCU-REA/1.0

Calculation of the neutron-physical characteristics of cells, polycells and fragments of nuclear core of VVER reactors taking into account changes in the isotopic composition.

Validation certificate number: 192 (03.03.25)

Registration certificate number: <2010613418

Package: MCU-4

MCU-REA/2

Calculations of the flux density of neutrons with energies above 0.5 MeV in the internal space, on the internal and external surfaces, and in the material of the vessel of pressurized water reactors for a given source of fission neutrons in the core.

Validation certificate number: 218 (19.09.26)

Registration certificate number: 2010613420

Package: MCU-4

MCU-REA/1.1

Calculations of the effective multiplication factors for a given isotopic composition and a given temperature of materials, as well as for calculating the spatial distribution of the neutron flux density and energy release for RBMK type reactors. Calculation of changes in the isotopic composition is possible.

Validation certificate number: 224 (23.05.27)

Package: MCU-4

MCU-KOSMOS

Modeling of neutron transport taking into account changes in the isotopic composition of materials in the calculations of modern modifications of fragments and full-scale cores of nuclear space installations with fast neutron spectrum.

Registration certificate number: 2014611695

Package: MCU-5

MCU-5

Modeling of neutron transport taking into account changes in the isotopic composition of materials when calculating the neutron-physical characteristics of PIK reactor.

Registration certificate number: 2019614117

Package: MCU-5

Besides, on the basis of the MCU-4 package codes MCU-RFFI, MCU-PR, MCU-REA, MCU-RR were assembled, and on the basis of the MCU-5 package codes MCU5TPU, MCU-HTR were assembled.