Collection of example input files

Simple 2D assembly geometry examples

Description	Files	Notes	Added by	Date
2D BWR fuel assembly geometry	Serpent input file	Demonstrates basic features for geometry, material and burnup	JLe / VTT	15/11/26
2D CANDU fuel bundle geometry	Serpent input file	Demonstrates the circular array structure	JLe / VTT	15/11/26
2D VVER-440 fuel assembly geometry	Serpent input file	Demonstrates the hexagonal lattice and calculation of flux and reaction rate spectra	JLe / VTT	15/11/26
2D PWR MOX/UOX lattice geometry	Serpent input file	Demonstrates the use of two nested lattices (pins in assembly and assemblies in colorset)	JLe / VTT	15/11/26
2D 4-HEX super-cell lattice geometry	Serpent input file	Demonstrates the use of triangular lattices derived from a hexagonal lattice	AJa / VTT	2021

Description	Files	Notes	Added by	Date
2D PWR pin-cell burnup example	Serpent input file	Demonstrates basic burnup input	JLe / VTT	15/11/30
2D PWR assembly burnup example	Serpent input file	17x17 assembly with burnable absorber, "Serpent 1" style division into depletion zones	JLe / VTT	15/11/30
2D PWR assembly burnup example	Serpent input file	17x17 assembly with burnable absorber, division into depletion zones using the div card	JLe / VTT	15/11/30
HTGR particle-cell burnup example	Serpent input file	Single HTGR fuel particle in an infinite lattice	JLe / VTT	18/04/09
HTGR fuel pebble burnup example	Serpent input file	Single HTGR fuel pebble in an infinite lattice, demonstrates the explicit particle fuel model	JLe / VTT	18/04/09
HTGR fuel compact burnup example	Serpent input file	Single HTGR fuel compact in an infinite lattice, demonstrates the explicit particle fuel model	JLe / VTT	18/04/09

Description	Files	Notes	Added by	Date
2D PWR assembly	Serpent input file, Partial output	Demonstrates the basic features of the automated burnup sequence with coefficient matrix	JLe / VTT	16/02/21
2D PWR assembly	Serpent input file, Partial output	Demonstrates the basic features of the automated burnup sequence with casematrix	ARi / VTT	22/05/13

Description	Files	Notes	Added by	Date
Infinite homogeneous LWR-like system (source generation)	Serpent input file	Demonstrates the source generation for transient simulations	VVa / VTT	16/05/09
Infinite homogeneous LWR-like system (0$ transient)	Serpent input file	Demonstrates the transient simulation mode	VVa / VTT	16/05/09
Infinite homogeneous LWR-like system (0.85$ transient)	Serpent input file	Demonstrates the transient simulation mode	VVa / VTT	16/05/09
Peach Bottom 2 3D assembly (source generation)	Main input file, Pin definition file, Geometry definition file, Pin definition file	Axially finite heterogeneous 3D assembly	VVa / VTT	16/05/09
Peach Bottom 2 3D assembly (0$ transient)	Main input file, Pin definition file, Geometry definition file, Pin definition file	Axially finite heterogeneous 3D assembly	VVa / VTT	16/05/09

Description	Files	Notes	Added by	Date
Pu-flattop and STACY critical experiments (PU-MET-FAST-006 and LEU-SOL-THERM-007 from the ICSBEP Handbook^[1])	Serpent and MCNP input files	Used for demonstarting the dynamic simulation mode introduced at the M&C 2013 conference^[2]	JLe / VTT	15/11/26
Godiva (HEU-MET-FAST-001 from the ICSBEP Handbook^[1])	Serpent, KENO, and MCNP input files	Simple input files for students who start to learn about Monte Carlo codes	Ondrej Chvala	2016-02-23
Monte Carlo performance benchmark^[3]	Serpent input file	Simplified 3D PWR core for testing the performance of Monte Carlo codes	JLe / VTT	16/03/03
Tank filled with molten salt with natural circulation based distributions from ^[4]	Serpent input files	Simplified molten salt tank with temperature and density distributions to test the unstructured mesh based interface	JLe / VTT + Manuele Aufiero	2014
A 37 assembly SMR sized reactor core.	Serpent input files	A rather detailed SMR sized reactor core based on data from the BEAVRS benchmark and a core size as well as radial reflector structure from the NuScale reactor concept.	ULa / VTT	2019
HTTR full core model	Serpent input files	3D model of the Japanese gas-cooled High Temperature Engineering Test Reactor (HTTR).	JLe / VTT	2020

^ https://www.oecd-nea.org/science/wpncs/icsbep/handbook.html
^ Leppänen, J. "Development of a dynamic simulation mode in the Serpent 2 Monte Carlo code." In proc. M&C 2013, Sun Valley, ID, May 5-9, 2013.
^ Hoogenboom, E., Martin, W. and Petrovic, B. "Monte Carlo Performance Benchmark for Detailed Power Density Calculation in a Full Size Reactor Core." Rev. 1.2, OECD/NEA, 2011 (http://www.oecd-nea.org/dbprog/MonteCarloPerformanceBenchmark.htm).
^ Leppänen, J. et al. "Unstructured mesh based multi-physics interface for CFD code coupling in the Serpent 2 Monte Carlo code" In proc. PHYSOR 2014, Kyoto, Japan, Sept. 28 - Oct. 3, 2014.