DIF3D-K: A nodal kinetics code for solving the time-dependent diffusion equation
Conference
·
OSTI ID:459240
- Argonne National Lab., IL (United States)
The DIF3D-K code solves the multigroup time-dependent neutron diffusion equations (with or without an external neutron source) in two- and three-dimensional hexagonal and Cartesian geometries. All steady-state calculational options of the base time-independent DIF3D 6.1 code are retained. The program offers the availability of multiple solution options (theta and factorization methods). The improved quasistatic scheme obtains the flux shapes by solving the time-dependent nodal quations with large time steps, as opposed to solving a shape equation with the large time steps.
- OSTI ID:
- 459240
- Report Number(s):
- CONF-950420--
- Country of Publication:
- United States
- Language:
- English
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