Abstract
The SOLA-VOF code developed by the T-3 (Theoretical Physics, Fluids) group at the Los Alamos National Laboratory (LANL) has been extensively modified at the Oak Ridge National Laboratory (ORNL). The modified and improved version has been dubbed ''VOLVOF,'' to acknowledge the state of Tennessee, the Volunteer state and home of ORNL. Modifications include generalization of boundary conditions, additional flexibility in setting up problems, addition of a problem interruption and restart capability, segregation of graphics functions to allow utilization of modern commercial graphics programs, and addition of time and date stamps to output files. Also, the pressure iteration has been restructured to exploit the much greater system memory available on modern workstations and personal computers. A solution monitoring capability has been added to utilize the multi-tasking capability of modern computer operating systems. These changes are documented in the following report. NAMELIST input variables are defined, and input files and the resulting output are given for two test problems. Modification and documentation of a working technical computer program is almost never complete. This is certainly true for the present effort. However, the impending retirement of the writer dictates that the current configuration and capability be reported.
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