![]() ![]() There is provision for the more common boundary conditions including the repeating boundary, 180/sup 0/ rotational symmetry, and the rotational symmetry conditions for the 30/sup 0/, 60/sup 0/, and 120/sup 0/ triangular grids on planes. The memory requirement is held down while data transfer during iteration is increased only as necessary with problem size. The size of problems which can be handled is essentially limited only by cost of calculation since the arrays are variably dimensioned. ![]() The programming in FORTRAN is straightforward, although data is transferred in blocks between auxiliary storage devices and main core, and direct access schemes are more ยป used. It uses and generates interface data files adopted in the cooperative effort sponsored by Reactor Physics RRT Division of the US DOE. This code parallels the VENTURE neutronics code in the local computation system, making exposure and fuel management capabilities available. This report documents the computer code VALE designed to solve multigroup neutronics problems with the diffusion theory approximation to neutron transport for a triagonal arrangement of mesh points on planes in two- and three-dimensional geometry. ![]()
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