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Large-scale 3D EM modeling with a Block Low-Rank multifrontal direct solver

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Academic year: 2021

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Figure 1. A front before (a) and after (b) partial factorization. The fully summed (FS) variables will be eliminated and the non-fully summed (NFS) variables will be updated
Figure 3. Vertical cross-sections for vertical (a) and horizontal (b) resistiv- resistiv-ities of the SEAM model (S-model) at y = 23.7 km.
Table 1. Parameters of the uniform grids used to discretize the 3-D shallow-water H-model, deep-water D-model and the SEAM S-model
Figure 4. Plots of the relative residual norm δ as a function of the BLR threshold ǫ for linear systems corresponding to matrices H1, H3, S3, H17 and S21
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