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Table 2 Test cases considered in the study

From: Modelling of electromagnetic signatures of global ocean circulation: physical approximations and numerical issues

Case

Mantle + core

Galvanic coupling

Ocean layers

Self-induction

EM solvers used

A

Insulator

No

1

No

ElmgTD, X3DG, UTSM

B

1D

Yes

1

No

ElmgTD, X3DG

C

1D

Yes

5

No

ElmgTD, X3DG

D

1D

Yes

5

Yes

ElmgTD