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Solid Earth An interactive open-access journal of the European Geosciences Union

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https://doi.org/10.5194/se-2018-7
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Method article
20 Feb 2018
Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Solid Earth (SE).
GHOST: Geoscientific Hollow Sphere Tesselation
Cedric Thieulot Utrecht University, the Netherlands
Abstract. I present in this work the GHOST (Geoscientific HOllow Sphere Tesselation) software which allows for the fast generation of computational meshes in hollow sphere geometries counting up to a hundred millions of cells. Each mesh is composed of concentric spherical shells which are built out of quadrilaterals or triangles. I focus here on three commonly used meshes used in geodynamics/geophysics and demonstrate the accuracy of shell surfaces and mesh volume measurements as a function of resolution. I further benchmark the built-in gravity and gravitational potential procedures in the simple case of a constant density geometry and finally show how the produced meshes can be used to visualise the S40RTS mantle tomography model. The code is open source and is available on the GitHub sharing platform.
Citation: Thieulot, C.: GHOST: Geoscientific Hollow Sphere Tesselation, Solid Earth Discuss., https://doi.org/10.5194/se-2018-7, in review, 2018.
Cedric Thieulot
Cedric Thieulot
Cedric Thieulot

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Short summary
I present the GHOST (Geoscientific HOllow Sphere Tesselation) software which allows for the fast generation of computational meshes in hollow sphere geometries counting up to a hundred millions of cells. Each mesh is composed of concentric spherical shells made of quadrilaterals or triangles. I focus here on three commonly used meshes used in thegeodynamics/geophysics community and further benchmark the gravity and gravitational potential procedures in the simple case of a constant density.
I present the GHOST (Geoscientific HOllow Sphere Tesselation) software which allows for the fast...
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