INVESTIGADORES
SOBA Alejandro
artículos
Título:
Validating NEUTRO, a deterministic finite element neutron transport solver for fusion applications, with literature tests, experimental benchmarks and other neutronic codes
Autor/es:
GOLDBERG, E; CIRCUNS I DUXANS, M; ORTEGA GELABERT, O; MANTSINEN, M J; SOBA, A
Revista:
PLASMA PHYSICS AND CONTROLLED FUSION
Editorial:
IOP PUBLISHING LTD
Referencias:
Año: 2022 vol. 64
ISSN:
0741-3335
Resumen:
Neutron reactions on fusion reactor materials are key phenomena to be understood toenable fusion as a feasible energy source for future reactors. We present significant improvements andvalidations of NEUTRO, a deterministic neutron transport code dedicated to solving the BoltzmannTransport Equation. The code is integrated as a module in the Alya system developed by the BarcelonaSupercomputing Center and uses the Discrete Ordinates Method over an angular portion, multigroup forenergy discretization and the Finite Element Method over unstructured meshes to treat special complexdomains. Material anisotropy of the scattering medium is introduced into the scattering kernel usingreal base expressions for spherical harmonics. In order to build the total cross-section and the respectivegroup matrix for the elastic cross-section, we use the NJOY code. We test the solver using differentgeometries and materials with varying levels of scattering properties. We compare our results on classictests, benchmarks obtained from a Nuclear Energy Agency database and test cases using other neutrontransport codes.