FPLUME

FPLUME is a steady-state 1D cross-section averaged eruptive plume model which accounts for plume bent over, entrainment of ambient moisture, effects of water phase changes on the energy budget, particle fallout, particle re-entrainment by turbulent eddies, different empirical parameterizations for air entrainment, and particle aggregation in presence of liquid water or ice that depends on plume dynamics, particle properties, and amount of liquid water and ice existing in the plume. The modeling of aggregation in the plume allows for estimating an "effective" Total Grain Size Distribution (TGSD) depleted in fines with respect to that erupted at the vent.

CODE VERSIONS

FPLUME 1.3 (F90 version. Release Dec 2021). Characteristics: Written in FORTRAN90. As input it requires magma vent conditions, bulk granulometry, and meteorological profiles; as outputs it returns profiles of the main mean variables such as velocity, temperature, density, liquid fraction, etc. Package: includes FPlume-1.3 F90 source code, a few examples, and its documentation. Requirements: a F90 compiler. Makefile is provided only for UNIX, LINUX, and MAC X OS. Download FPlume 1.3 user's manual here.

FPLUME 1.1 (F90 version. Release Feb 2016). Characteristics: Written in FORTRAN90. As input it requires magma vent conditions, bulk granulometry, and meteorological profiles; as outputs it returns profiles of the main mean variables such as velocity, temperature, density, liquid fraction, etc. Package: includes FPlume-1.1 F90 source code, a few examples, and its documentation. Requirements: a F90 compiler. Makefile is provided only for UNIX, LINUX, and MAC X OS. Download FPlume 1.1 user's manual here.

REFERENCES

[1] Folch, A., Costa, A., and Macedonio, G. (2016): FPLUME-1.0: An integral volcanic plume model accounting for ash aggregation, Geosci. Model Dev., 9, 431-450, doi:10.5194/gmd-9-431-2016

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FPlume-1.1 code Copyright (C) 2016 Arnau Folch, Antonio Costa, and Giovanni Macedonio. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, visit http://www.gnu.org/licenses/ Version FPlume-1.3 FPlume-1.1 Name and Surname (optional) e-mail (optional) Institution (optional) Comments (optional)

Last updated: 10 Dec 2021