基于ANSYS的便携MRI系统中环对型永磁体仿真  

Simulation of Ring-pair Permanent Magnet for the Portable Magnetic Resonance Imaging System Based on ANSYS

作　　者：程艺苑 苏明阳[3] 万书佳 张新刚[2] CHENG Yiyuan;SU Mingyang;WAN Shujia;ZHANG Xingang(Department of Mechanical and Electrical Engineering,Nanyang Normal University,Nanyang 473061,Henan,China;Department of Computer Science and Technology,Nanyang Normal University,Nanyang 473061,Henan,China;Department of Mapping and Environmental Engineering,Henan Polytechnic Institute,Nanyang 473000,Henan,China)

机构地区：[1]南阳师范学院机电工程学院,河南南阳473061 [2]南阳师范学院计算机科学与技术学院,河南南阳473061 [3]河南工业职业技术学院测绘环保工程学院,河南南阳473000

出　　处：《实验室研究与探索》2022年第6期148-152,共5页Research and Exploration In Laboratory

基　　金：河南省科技攻关项目(222102310466);河南省高等学校科学技术研究重点项目(21A520032,21A520033);南阳师范学院国家自然科学基金项目培育基金项目(2022PY023)。

摘　　要：便携移动型磁共振成像(MRI)系统可满足养老院、急诊室、医疗隔离点等特殊应用场景的需求。环对型永磁体可应用到便携MRI系统,其性能直接影响着成像质量和系统的整体造价。运用ANSYS软件,对环对型永磁体进行建模和仿真,对磁体结构以及相关参数进行探讨分析。仿真结果将为便携MRI系统中环对型永磁体的优化设计和实际制造提供一定的指导和参考。Portable magnetic resonance imaging(MRI)system can meet the needs of special application scenarios such as nursing homes,emergency rooms and medical isolation points.Ring-pair permanent magnets have been explored and applied to portable MRI systems,which directly affect the final imaging quality and the overall cost of MRI system.In this paper,the ring-pair permanent magnet is modeled and simulated by ANSYS software,and the magnet structure and related parameters are discussed and analyzed.The simulation results can provide some guidance and references for the optimal design and practical manufacture of the ring-pair permanent magnet in portable MRI systems.

关 键 词：永磁体 磁共振成像 ANSYS软件 仿真 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]