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Table 3

Comparison for cases with offset distance rv smaller than void radius Rv.

r v R v p d s Error
(10-2) (10-2) %

0.2 0.4 1 0.96 0.96 0.2
0.3 0.5 1 2.16 2.18 0.7
0.2 0.4 2 1.49 1.51 1.4
0.3 0.5 2 3.42 3.44 0.4
0.2 0.4 3 1.82 1.83 0.2
0.3 0.5 3 4.24 4.25 0.2

Notes. The density contrast is of the form and the calculated dipole is . Each simulated dipole amplitude ds is an average of 10 simulations with N = 106 sources each; the error is defined as .

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