Verlag des Forschungszentrums Jülich
JUEL-3522 V.S.O.P. (97) is a computer code system for the comprehensive numerical simulation of
the physics of thermal reactors. It implies processing of cross sections, the setup of the
reactor and of the fuel element, repeated neutron spectrum evaluation, neutron diffusion
calculation in two or three dimensions, fuel burnup, fuel shuffling, reactor control,
thermal hydraulics and fuel cycle costs. The thermal hydraulics part (steady state and
time-dependent) is restricted to HTRs and to two spatial dimensions. V.S.O.P (97) can
simulate the reactor operation from the initial core towards the equilibrium core. V.S.O.P.(97) - on the basis of V.S.O.P. (94) - has been improved with regard to a more
detailed treatment of the build-up and the depletion of the heavy metal isotopes. Their
chains now include the minor actinides. Resonance cross sections of the lumped resonance
absorbers are evaluated burnup-dependent. Beyond this, the code has been reviewed in many
details, aiming at an improved precision in the computer simulation of the features of the
reactors and of their fuel cycle. The code consists of about 65000 FORTRAN statements. A memory of 32 MB should be
available for its use.
Rütten, Hans-Jochem; Haas, K. A.; Brockmann, H.; Ohlig, M.; Scherer, Winfried
V.S.O.P. (97) Computer Code System for Reactor Physics and Fuel Cycle Simulation
155 S., 1998
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