TDOWN; spatial and composition-dependent cross sections. [GE635; FORTRAN IV]
Technical Report
·
OSTI ID:6488920
TDOWN generates spatial and composition-dependent cross section sets from a Bondarenko type, generalized cross section file called GMUG. A TDOWN problem can be a simple description of material compositions with an input flux spectra or a problem can consist of a multi-region, two-dimensional reactor description with several zero- or one-dimensional flux solutions to provide the flux for spectral adjustments of the cross section sets.GE635; FORTRAN IV; GECOS III; The code requires 32K memory on a GE635, including a 10K overlap with the loading routines. In addition to the usual input/output units, 3 tape handlers and 6 files on a peripheral device (disk at the authors' installation) are used.
- Research Organization:
- General Electric Co., San Jose, CA (USA). Nuclear Energy Div.
- OSTI ID:
- 6488920
- Report Number(s):
- ANL/NESC-505; ON: DE83048505
- Country of Publication:
- United States
- Language:
- English
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