Parallel resolution of the two-group time dependent neutron diffusion equation with public domain ODE codes

Authors:
Víctor M. García;V. Vidal;G. Verdú;J. Garayoa;R. Miró
Affiliations:
Departamento de Sistemas Informáticos y Computación, Universidad Politécnica de Valencia, Valencia, Spain;Departamento de Sistemas Informáticos y Computación, Universidad Politécnica de Valencia, Valencia, Spain;Departamento de Ingeniería Química y Nuclear, Universidad Politécnica de Valencia, Valencia, Spain;Departamento de Sistemas Informáticos y Computación, Universidad Politécnica de Valencia, Valencia, Spain;Departamento de Ingeniería Química y Nuclear, Universidad Politécnica de Valencia, Valencia, Spain
Venue:
VECPAR'04 Proceedings of the 6th international conference on High Performance Computing for Computational Science
Year:
2004

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Abstract

In this paper it is shown how specialised codes for the resolution of ordinary differential equations (FCVODE[3], DASPK[2]) can be used to solve efficiently the time dependent neutron diffusion equation. Using these codes as basis, several new codes have been developed, combining the sequential and parallel versions of DASPK and FCVODE with different preconditioners. Their performance has been assessed using a two-dimensional benchmark (The TWIGL reactor).