磁共振测井传感器磁体结构的拓扑优化方法

宋彦佐, 于会媛, 陈敬智, 沈玥, 徐显能, 徐征

Topology Optimization Method of Magnetic Resonance Logging Sensor Magnet Structure

SONG Yanzuo, YU Huiyuan, CHEN Jingzhi, SHEN Yue, XU Xianneng, XU Zheng

图7 静磁场B0沿y轴方向的变化. (a)计算得到的B0强度与实测值的对比，计算值与实测值的相对差异小于1.6%；(b) B0梯度随y轴变化

Fig. 7 Static magnetic field B0 changes along y axis. (a) Comparison of strength of B0 obtained from calculation and measurement, and the relative difference between calculation and measurement is less than 1.6%; (b) gradient of B0 changes with y axis