APOGEE: A COMPUTER PROGRAM TO SOLVE THE ONE GROUP NEUTRON DIFFUSION EQUATION IN THREE DIMENSIONS
Technical Report
·
OSTI ID:4638194
The computer program APOGEE, in SNAP for the Chalk River G-20 computer, solves the one-group neutron diffusion equation by finite-difference approximations on a three-dimensional uniform mesh of common spacings in two dimensions. Mesh geometries approximating either the NPD- or CANDU-type lattice can be used. The calculational procedures are discussed, particularly the treatment of physical boundaries; and case preparation is demonstrated. Flux, reactivity, and power distribution calculations showing good agreement with experiment are included. (D.C.W.)
- Research Organization:
- Atomic Energy of Canada Ltd., Chalk River, Ont.
- NSA Number:
- NSA-17-036627
- OSTI ID:
- 4638194
- Report Number(s):
- CRRP-1159; AECL-1799
- Country of Publication:
- Canada
- Language:
- English
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