USGS/Cascades Volcano Observatory, Vancouver, Washington
REPORT:
A Numerical Program for Steady-State Flow of
Hawaiian Magma-Gas Mixtures Through Vertical Eruptive Conduits
--
Larry G. Mastin, 1995,
A Numerical Program for Steady-State Flow of Hawaiian Magma-Gas Mixtures
Through Vertical Eruptive Conduits:
U.S. Geological Survey Open-File Report 95-756
System Requirements and Installation
The DOS-formatted disk that accompanies this report contains the following files:
- HICON.FOR (37K, FORTRAN 77 source code (ASCII))
- HICON.EXE (122K, executable program (binary))
- HICIN (2K, example input file (ASCII))
- HICOUT (8K, example output file (ASCII))
- DOSXMSF.EXE (393K, file called by HICON.EXE (binary))
- README.TXT (contains update information (ASCII))
The source code file, HICON.FOR, is written in ANSI FORTRAN 77 and can be
compiled using any FORTRAN 77 compiler. For simplicity, no graphic output has been
supplied; flow properties are written to output files and must be plotted using some other
software. This makes the program somewhat less user-friendly, but also makes it possible
to compile and use it on any computer platform, with any associated hardware.
The executable file, HICON.EXE, will run on any DOS-based computer containing
an INTEL
®
80386 or later processor. The executable file may be copied from diskette to a
hard disk using the copy command in DOS, or may be used while resident on the floppy
disk. The input and output files are supplied as read-only files so that you don.t
inadvertently write over them before copying them to another place. You will need to
explicitly change their read-only status to modify them.
The time (real, not CPU) required for a typical model run using HICON ranges from
a few seconds or less (on a 60 MHz or faster Pentium
®
-based computer) to a few minutes
(on a Data General AViiON
®
300-series UNIX workstation
1
). Different runs, of course,
vary in time depending on the number of iterations required to reach a solution.
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07/17/02, Lyn Topinka