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Solid Earth An interactive open-access journal of the European Geosciences Union
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Discussion papers
https://doi.org/10.5194/se-2019-24
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-2019-24
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Method article 14 Feb 2019

Method article | 14 Feb 2019

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This discussion paper is a preprint. It is a manuscript under review for the journal Solid Earth (SE).

The Geodynamic World Builder: a solution for complex initial conditions in numerical modelling

Menno Fraters1, Cedric Thieulot1, Arie van den Berg1, and Wim Spakman1,2 Menno Fraters et al.
  • 1Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Utrecht, the Netherlands
  • 2Centre of Earth Evolution and Dynamics (CEED), University of Oslo, Norway

Abstract. TheGeodynamic World Builder is an open source code library intended to set up initial conditions for computational geodynamic models in both Cartesian and Spherical geometries. The inputs for the JSON-style parameter file are not mathematical, but rather a structured nested list describing tectonic features, e.g. a continental, an oceanic or a subducting plate. Each of these tectonic features can be assigned a specific temperature profile (e.g. plate model) or composition label (e.g. uniform). For each point in space, the Geodynamic World Builder can return the composition and/or temperature. It is written in C++, but can be used in almost any language through its C and Fortran wrappers. Various examples of 2D and 3D subduction settings are presented. The World builder comes with an extensive online User Manual.

Menno Fraters et al.
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Status: open (until 29 Mar 2019)
Status: open (until 29 Mar 2019)
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Menno Fraters et al.
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Short summary
Three-dimensional numerical modelling of geodynamic processes may benefit strongly from using realistic 3D starting models that approximate e.g. natural subduction settings in the geological past or at present. To this end we developed the Geodynamic World Builder (GWB) which enables relatively straight-forward parameterization of complex 3D geometric structures associated with geodynamic processes. The GWB is an open source community code designed to easily interface with geodynamic codes.
Three-dimensional numerical modelling of geodynamic processes may benefit strongly from using...
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