基于B样条插值的瞬变电磁响应一维精确计算

邢涛, 王垚, 李建慧

One-dimensional accurate calculation of transient electromagnetic responses based on B-spline interpolation

XING Tao, WANG Yao, LI Jian-Hui

图3 每数量级5个频点计算条件下垂直磁偶源位于1 Ω·m均匀半空间表面激发的磁场脉冲响应 a—三次B样条数值解;b—三次B样条相对误差曲线;c—五次B样条相对误差曲线;d—七次B样条相对误差曲线

Fig.3 The magnetic field impulse response excited by the vertical magnetic dipole source on the surface of 1 Ω·m homogeneous half-space on the condition of 5 frequencies per decade a—cubic B-spline numerical solution;b—cubic B-spline relative error curve;c—quintic B-spline relative error curve;d—heptatic B-spline relative error curve