Various borehole and formation conditions were simulated using the fourth order accuracy in space and second order accuracy in time centered finite difference method.
利用空间上具有四阶精度、时间上具有二阶精度的中心差分方法，数值模拟了几种复杂井眼条件下的波场。
The finite difference scheme for centered differences in space and time is adopted.
采用时间空间中央差分进行数值求解。
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