Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 15, issue 23
Articles | Volume 15, issue 23
https://doi.org/10.5194/gmd-15-8639-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/gmd-15-8639-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 23
Model description paper
 | 
30 Nov 2022
Model description paper |  | 30 Nov 2022

spyro: a Firedrake-based wave propagation and full-waveform-inversion finite-element solver

Keith J. Roberts, Alexandre Olender, Lucas Franceschini, Robert C. Kirby, Rafael S. Gioria, and Bruno S. Carmo

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Short summary
Finite-element methods (FEMs) permit the use of more flexible unstructured meshes but are rarely used in full waveform inversions (FWIs), an iterative process that reconstructs velocity models of earth’s subsurface, due to computational and memory storage costs. To reduce those costs, novel software is presented allowing the use of high-order mass-lumped FEMs on triangular meshes, together with a material-property mesh-adaptation performance-enhancing strategy, enabling its use in FWIs.
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The Firedrake automatic code generation system