Fig. 10

Description of product. In “gridn.done” or “gridn.qfail”, “done” means ∠(B, J)≤30°, “qfail” means ∠(B, J) > 30°, n represents the maximum level of extrapolation computing.

Description of product. In “gridn.done” or “gridn.qfail”, “done” means ∠(B, J)≤30°, “qfail” means ∠(B, J) > 30°, n represents the maximum level of extrapolation computing.