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Published in 2019 at "Surveys in Geophysics"
DOI: 10.1007/s10712-019-09578-0
Abstract: Least-squares reverse-time migration (LSRTM) attempts to invert the broadband-wavenumber reflectivity image by minimizing the residual between observed and predicted seismograms via linearized inversion. However, rugged topography poses a challenge in front of LSRTM. To tackle…
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Keywords:
topography;
least squares;
reverse time;
squares reverse ... See more keywords
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Published in 2019 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2018.10.052
Abstract: In this paper, we propose an unstructured mesh generation method based on Lagrangian-particle fluid relaxation, imposing a global optimization strategy. With the presumption that the geometry can be described as a zero level set, an…
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Keywords:
method based;
isotropic;
method;
unstructured mesh ... See more keywords
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Published in 2021 at "Journal of Advances in Modeling Earth Systems"
DOI: 10.1029/2020ms002438
Abstract: We have equipped the unstructured‐mesh global sea‐ice and ocean model FESOM2 with a set of physical parameterizations derived from the single‐column sea‐ice model Icepack. The update has substantially broadened the range of physical processes that…
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Keywords:
atmospheric forcings;
model;
sea ice;
unstructured mesh ... See more keywords
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Published in 2020 at "Nuclear Technology"
DOI: 10.1080/00295450.2020.1741295
Abstract: Abstract In order to model the activated isotopes and resulting dose from a nuclear detonation in an urban environment, the Activation and Transmutation of Isotopes in an Unstructured Mesh (ACTIUM) Python toolkit has been developed…
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Keywords:
nagasaki verification;
mesh based;
hiroshima nagasaki;
unstructured mesh ... See more keywords