Model:Underworld2

Underworld2

This code has been community reviewed and published in the open access Journal of Open Source Software (JOSS)

Also known as
Model type	Single
Model part of larger framework
Note on status model
Date note status model

Incorporated models or components:

Spatial dimensions	3D
Spatial extent	Continental
Model domain	Geodynamic
One-line model description	Underworld2 is an open-source, particle-in-cell finite element code tuned for large-scale geodynamics simulations.
Extended model description	Underworld2 is an open-source, particle-in-cell finite element code tuned for large-scale geodynamics simulations. The numerical algorithms allow the tracking of history information through the high-strain deformation associated with fluid flow (for example, transport of the stress tensor in a viscoelastic, convecting medium, or the advection of fine-scale damage parameters by the large-scale flow). The finite element mesh can be static or dynamic, but it is not contrained to move in lock-step with the evolving geometry of the fluid. This hybrid approach is very well suited to complex fluids which is how the solid Earth behaves on a geological timescale.

Keywords:	Plate tectonics, lithospheric flexure,

Supported platforms	Unix, Linux, Mac OS, Windows
Other platform
Programming language	Python
Other program language
Code optimized	Multiple Processors
Multiple processors implemented
Nr of distributed processors
Nr of shared processors
Start year development	2003
Does model development still take place?	Yes
If above answer is no, provide end year model development
Code development status	Active
When did you indicate the 'code development status'?	2020
Model availability	As code
Source code availability (Or provide future intension)	Through web repository
Source web address	https://github.com/underworldcode/underworld2
Source csdms web address
Program license type	Other
Program license type other	LGPL3
Memory requirements	--
Typical run time	--

Describe input parameters	--
Input format	ASCII, Binary
Other input format
Describe output parameters	--
Output format	Binary
Other output format
Pre-processing software needed?	No
Describe pre-processing software
Post-processing software needed?	No
Describe post-processing software
Visualization software needed?	No
If above answer is yes
Other visualization software

Describe processes represented by the model	--
Describe key physical parameters and equations	--
Describe length scale and resolution constraints	--
Describe time scale and resolution constraints	--
Describe any numerical limitations and issues	--

Describe available calibration data sets	--
Upload calibration data sets if available:
Describe available test data sets	--
Upload test data sets if available:
Describe ideal data for testing	--

Do you have current or future plans for collaborating with other researchers?

Is there a manual available?	Yes
Upload manual if available:
Model website if any	http://www.underworldcode.org/pages/UserGuide/
Model forum / discussion board	https://www.facebook.com/underworldcode

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Featured reference(s)	Open Access Status	Year	Type of Reference	Cited
Moresi, L.; Betts, P. G.; Miller, M. S.; Cayley, R. A.; 2014. Dynamics of continental accretion. Nature, 508245–248. 10.1038/nature13033	closed	2014	a module application description	248
Moresi, L.; Dufour, F.; Mühlhaus, H.-B.; 2003. A Lagrangian integration point finite element method for large deformation modeling of viscoelastic geomaterials. Journal of Computational Physics, 184476–497. 10.1016/S0021-9991(02)00031-1	closed	2003	a module overview describing a module	479